How Is Adult Orthodontic Treatment Managed?

Adult orthodontic treatment requires a treatment strategy adapted to the biological, periodontal, restorative, and functional characteristics of mature dentitions.

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Unlike growing patients, adults have limited or no remaining skeletal growth, so most corrections must be achieved through controlled orthodontic tooth movement, with orthognathic surgery considered when significant skeletal discrepancies cannot be corrected dentally.

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Adult patients may also present with periodontal attachment loss, gingival recession, missing teeth, extensive restorations, implants, bone defects, previous orthodontic treatment, and reduced alveolar bone volume. Consequently, diagnosis and treatment planning should be individualized rather than based solely on chronological age.

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1. Initial Assessment of the Adult Orthodontic Patient
A comprehensive assessment should establish the patient's dental, skeletal, periodontal, functional, and restorative conditions before appliance placement.

Important diagnostic components include:
▪️ Medical and dental history, including medications, systemic conditions, previous orthodontic treatment, and dental trauma.
▪️ Periodontal examination, including probing depths, bleeding on probing, gingival phenotype, recession, mobility, and attachment levels.
▪️ Evaluation of caries, existing restorations, missing teeth, endodontically treated teeth, and prosthetic requirements.
▪️ Assessment of occlusion, tooth position, overjet, overbite, transverse relationships, and functional contacts.
▪️ Appropriate radiographic evaluation, including panoramic and periapical imaging when indicated.
▪️ Cephalometric and photographic analysis when required for diagnosis and treatment planning.
▪️ Evaluation of the available alveolar bone envelope, particularly before significant incisor proclination or bodily tooth movement.

Periodontal inflammation should be controlled before active orthodontic treatment. In patients with periodontitis or a reduced periodontium, orthodontic treatment should be integrated with periodontal therapy and ongoing periodontal maintenance. Recent expert consensus emphasizes coordinated diagnosis, personalized biomechanics, multidisciplinary collaboration, and long-term periodontal and orthodontic follow-up.

2. Key Differences in Adult Orthodontic Management
The principal difference between adult and adolescent orthodontics is not simply treatment duration. It is the biological and restorative context in which tooth movement occurs.

Factor	Adult Patient	Clinical Implication
Skeletal growth	Limited or absent	Skeletal discrepancies may require camouflage or orthognathic surgery.
Periodontal status	May include attachment loss, recession, or reduced periodontal support	Forces and tooth movement must respect the periodontal envelope.
Restorative status	Crowns, bridges, implants, restorations, and missing teeth may be present	Treatment may require restorative or prosthodontic coordination.
Alveolar bone	Dehiscence or fenestration may already exist	Avoid excessive movement beyond the alveolar housing.
Anchorage	May be compromised by missing or periodontally affected teeth	Temporary anchorage devices may be useful in selected cases.
Retention	Long-term stability remains essential	Retention should be planned from the beginning of treatment.

3. Biomechanical Considerations
Controlled biomechanics are particularly important when the adult dentition has reduced periodontal support or limited alveolar bone.

Treatment should prioritize:
▪️ Appropriate force magnitude and direction.
▪️ Controlled tipping versus bodily movement according to the periodontal anatomy.
▪️ Effective anchorage management.
▪️ Avoidance of unnecessary incisor proclination.
▪️ Careful management of extraction spaces when indicated.
▪️ Periodic assessment of tooth mobility and periodontal response.

Orthodontically induced inflammatory root resorption remains a recognized adverse effect of tooth movement. Evidence indicates that orthodontic forces can increase the occurrence of root resorption, although individual susceptibility and treatment-related factors vary considerably.
Similarly, gingival recession is associated with several factors, including pre-existing mucogingival characteristics, oral hygiene, orthodontic intervention, and particularly excessive incisor proclination in susceptible patients.

4. Fixed Appliances vs Clear Aligners vs Lingual Orthodontics
Adult patients frequently prioritize aesthetics, comfort, and treatment convenience. However, appliance selection should be determined by malocclusion complexity, required tooth movements, periodontal conditions, anchorage requirements, and patient compliance, rather than aesthetics alone.

Technique	Main Advantages	Main Limitations	Typical Consideration
Labial fixed appliances	Precise three-dimensional control; suitable for complex movements	Visible; can increase plaque-retentive areas	Useful for complex malocclusions and extraction mechanics.
Clear aligners	Aesthetic, removable, and facilitates oral hygiene	Effectiveness depends on compliance and movement predictability	Particularly useful for selected mild-to-moderate malocclusions.
Lingual fixed appliances	High aesthetic concealment with fixed-appliance biomechanics	Tongue discomfort and speech effects may occur	Consider when aesthetics are a major concern and case complexity permits.

Recent evidence suggests that clear aligners and fixed appliances can both achieve orthodontic treatment objectives, particularly in non-extraction cases, although treatment outcomes vary according to movement type and case complexity. Fixed appliances may provide greater control for certain movements, particularly rotation, torque, and complex extraction mechanics.
Lingual appliances provide an aesthetic fixed alternative, but systematic-review evidence has reported greater speech and oral discomfort compared with labial appliances, with the overall certainty of evidence remaining limited.

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6. Treatment Duration and Patient Expectations
Adult treatment should be planned according to the biological and biomechanical requirements of the individual case rather than applying an age-based assumption that treatment must necessarily be longer.
A systematic review comparing adolescents and adults found no significant difference in overall comprehensive treatment duration with fixed appliances, although certain movements, such as alignment of palatally displaced canines, may require more time in adults. The certainty of this evidence was low because most included studies were non-randomized.

Treatment duration can increase when cases involve:
▪️ Severe periodontal compromise.
▪️ Extensive tooth movement.
▪️ Extraction mechanics.
▪️ Impacted teeth.
▪️ Complex skeletal discrepancies.
▪️ Poor appliance compliance.
▪️ Additional restorative or surgical procedures.

7. Retention in Adult Orthodontics
Retention should be considered an integral component of adult orthodontic treatment, not simply a post-treatment procedure.

The retention protocol should consider:
▪️ Initial malocclusion.
▪️ Degree of periodontal support.
▪️ Rotational corrections.
▪️ Diastema closure.
▪️ Incisor alignment.
▪️ Patient-specific relapse risk.
▪️ Long-term oral hygiene and periodontal maintenance.

Patients with reduced periodontal support may require coordinated orthodontic and periodontal follow-up to maintain the functional and periodontal benefits achieved during treatment.

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💬 Discussion
Successful adult orthodontic treatment depends primarily on accurate diagnosis and biological control rather than on chronological age. The absence of skeletal growth shifts the emphasis toward dentoalveolar compensation, precise biomechanics, anchorage control, and interdisciplinary treatment when skeletal, periodontal, restorative, or prosthetic problems coexist.
Appliance selection should be individualized. Current evidence does not support treating clear aligners, conventional fixed appliances, or lingual appliances as universally interchangeable. Their clinical performance depends on the specific movements required, treatment complexity, periodontal condition, and patient adherence.
The most important clinical risks in adult treatment include periodontal deterioration, gingival recession, alveolar bone limitations, root resorption, and instability after treatment. These risks can be reduced through appropriate diagnosis, controlled biomechanics, preventive periodontal care, and an individualized retention strategy.

✍️ Conclusion
Managing orthodontic treatment in adults requires a multidisciplinary and risk-oriented approach. The clinician should evaluate periodontal health, alveolar bone, restorations, missing teeth, skeletal relationships, anchorage requirements, and the patient's treatment objectives before selecting the appliance system.
Fixed appliances, clear aligners, and lingual orthodontics can all be appropriate in adults, but their indications differ according to movement complexity and clinical requirements. Long-term success depends not only on achieving alignment and occlusion but also on maintaining periodontal health and orthodontic stability.

🎯 Clinical Recommendations
1. Complete periodontal assessment before active orthodontic treatment, particularly in adults with previous periodontitis, recession, mobility, or reduced periodontal support.
2. Define the alveolar boundaries before significant incisor movement; avoid mechanically driven expansion or proclination that exceeds the patient's periodontal envelope.
3. Select the appliance according to the required tooth movements and case complexity, rather than aesthetic preference alone.
4. Use individualized anchorage control when missing teeth, reduced periodontal support, or extensive space closure compromises conventional anchorage.
5. Monitor periodontal and dental changes throughout treatment, with additional radiographic evaluation when clinical findings indicate increased risk.
6. Establish the retention strategy before treatment begins and maintain long-term follow-up when relapse or periodontal risk is elevated.

📚 References

✔ Abbing, A., Koretsi, V., Eliades, T., & Papageorgiou, S. N. (2020). Duration of orthodontic treatment with fixed appliances in adolescents and adults: A systematic review with meta-analysis. European Journal of Orthodontics, 42(3), 341–347. https://doi.org/10.1093/ejo/cjaa003
✔ Barbosa-Liz, D. M., et al. (2024). Overview of systematic reviews on periodontal-orthodontic interactions: A comprehensive literature analysis. Orthodontics & Craniofacial Research, 27(2), 193–202. https://doi.org/10.1111/ocr.12720
✔ Muro, M. P., et al. (2023). Effectiveness and predictability of treatment with clear orthodontic aligners: A scoping review. International Orthodontics, 21(2), 100755. https://doi.org/10.1016/j.ortho.2023.100755
✔ Papageorgiou, S. N., Gölz, L., Jäger, A., Eliades, T., & Bourauel, C. (2016). Lingual vs. labial fixed orthodontic appliances: Systematic review and meta-analysis of treatment effects. European Journal of Oral Sciences, 124(2), 105–118. https://doi.org/10.1111/eos.12250
✔ Singh, S., Jain, R. K., & Balasubramaniam, A. (2024). Comparative assessment of external apical root resorption between subjects treated with clear aligners and fixed orthodontic appliances: A systematic review and meta-analysis. Journal of Dental Research, Dental Clinics, Dental Prospects, 18(2). https://doi.org/10.34172/joddd.40932
✔ Ubuzima, P., Nshimiyimana, E., Michelogiannakis, D., Mukeshimana, C., Mazimpaka, P., Habumugisha, J., Turkkahraman, H., & Kamioka, H. (2026). Comparative effectiveness of clear aligners and fixed appliances in orthodontic movement of the anterior teeth in adults: A systematic review. International Orthodontics, 24(2), 101084. https://doi.org/10.1016/j.ortho.2025.101084
✔ Zhong, W., et al. (2025). Expert consensus on orthodontic treatment of patients with periodontal disease. International Journal of Oral Science, 17(1), 27. https://doi.org/10.1038/s41368-025-00356-w

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Pediatric Oncology Dental Management: Clinical Guide

Pediatric oncology dental management requires close coordination between the pediatric dentist, oncology team, child, and caregivers. Chemotherapy, hematopoietic cell transplantation (HCT), radiotherapy, and newer antineoplastic therapies can produce significant oral complications, while pre-existing caries, periodontal inflammation, or odontogenic infection may become clinically important during periods of immunosuppression.

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The dental objective is therefore not limited to treating existing disease. It includes eliminating potential sources of oral infection, maintaining oral hygiene and function, reducing treatment-related complications, and monitoring long-term dental development.

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Current evidence also demonstrates that childhood cancer therapy may be associated with enamel defects, microdontia, tooth agenesis, altered root development, caries, and salivary dysfunction.

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1. Dental Assessment Before Cancer Therapy
Whenever clinically feasible, a comprehensive dental examination should be completed before initiation of chemotherapy, HCT, or radiotherapy. The assessment should include:

▪️ Medical and oncology history, including diagnosis and planned treatment. ▪️ Clinical examination of teeth, periodontium, mucosa, and oral hygiene. ▪️ Identification of active caries and odontogenic infection. ▪️ Assessment of teeth with poor prognosis or significant periapical/periodontal pathology. ▪️ Appropriate radiographs when they will influence treatment decisions. ▪️ Evaluation of oral habits, diet, fluoride exposure, and the child's ability to maintain oral hygiene.

The principal objective is to stabilize oral disease before immunosuppression whenever the oncology schedule permits. Contemporary MASCC/ISOO guidance emphasizes comprehensive dental assessment and treatment before cancer therapy to reduce oral infection, pain, trauma, and potential systemic complications.

2. Dental Priorities During Oncology Treatment
Once antineoplastic treatment has begun, dental care should be individualized according to the child's hematologic status, treatment phase, oral findings, and oncology protocol.

📊 Dental Priorities During Oncology Treatment

Clinical Situation	Dental Approach
No acute oral disease	Maintain preventive care, oral hygiene, fluoride measures, and regular monitoring.
Active oral mucositis	Maintain gentle oral care, minimize mucosal trauma, and coordinate appropriate symptom and pain management.
Dental or odontogenic infection	Promptly assess the source of infection and coordinate treatment with the pediatric oncology team.
Neutropenia or thrombocytopenia	Review current hematologic status and consult the oncology team before invasive dental procedures.
Severe oral pain or inability to eat	Perform prompt evaluation and coordinate pain control and supportive management with the medical team.
Xerostomia or hyposalivation	Intensify caries prevention, encourage appropriate hydration, and address salivary dysfunction when clinically indicated.
Hematopoietic stem cell transplantation preparation	Complete necessary dental treatment before significant immunosuppression whenever the medical timeline permits; defer elective care during immunologic recovery.

Dental procedures that involve bleeding or significant tissue trauma should not be scheduled solely according to routine dental protocols. The decision should consider current blood counts, infection risk, timing of chemotherapy/HCT, medications, and the recommendations of the oncology team. The AAPD emphasizes that dental intervention in these patients requires modification according to medical history, treatment protocol, and health status.

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3. Prevention and Management of Oral Mucositis
Oral mucositis is one of the most clinically relevant acute complications of cancer therapy. Pediatric studies report substantial variability in incidence, and chemotherapy intensity is an important risk factor.

A basic oral-care protocol should include:
▪️ Gentle toothbrushing with a soft toothbrush, as tolerated.
▪️ Regular oral assessment.
▪️ Maintenance of adequate oral cleanliness.
▪️ Bland rinses when appropriate and tolerated.
▪️ Avoidance of alcohol-containing or irritating oral products.
▪️ Adequate pain management coordinated with the medical team.
▪️ Maintenance of hydration and oral function.

Evidence specifically addressing pediatric oncology patients remains limited. A MASCC/ISOO pediatric analysis found insufficient or conflicting evidence for many individual interventions and therefore supports implementation of basic oral care as a fundamental component of management. Chewing gum did not demonstrate preventive efficacy for oral mucositis in the pediatric studies reviewed.

4. Management of Dental Infection
Odontogenic infection during immunosuppressive therapy requires prompt multidisciplinary assessment.

The dentist should determine whether the condition represents:
▪️ Localized caries without infection.
▪️ Pulpal or periapical disease.
▪️ Periodontal infection.
▪️ Facial swelling or cellulitis.
▪️ A potentially spreading odontogenic infection.

Treatment should be coordinated with pediatric oncology, particularly when neutropenia, thrombocytopenia, fever, or severe systemic illness is present.
Antibiotics should not be prescribed solely because a child has cancer. Their indication depends on the clinical diagnosis, systemic involvement, immune status, and oncology team's assessment. Similarly, invasive dental treatment should be performed only after evaluating hematologic and medical risks.

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5. Caries Prevention and Oral Hygiene
Cancer treatment may increase susceptibility to dental caries and deterioration of oral health, particularly when oral hygiene is compromised, salivary flow is reduced, dietary patterns change, or frequent medications and nutritional supplements are used.

Preventive management should emphasize:
▪️ Fluoride toothpaste appropriate for the child's age and caries risk.
▪️ Twice-daily toothbrushing when clinically tolerated.
▪️ Caregiver-assisted brushing when necessary.
▪️ Reduction of frequent exposure to fermentable carbohydrates.
▪️ Professional fluoride therapy when indicated.
▪️ Regular dental surveillance.
▪️ Management of xerostomia or hyposalivation.

The preventive strategy should continue after completion of active cancer treatment because some oral effects may persist for years.

6. Long-Term Dental Follow-Up
Survivors of childhood cancer require long-term dental monitoring, particularly when treatment occurred during periods of tooth development.

Reported late effects include:
▪️ Enamel defects
▪️ Microdontia
▪️ Tooth agenesis
▪️ Root-development abnormalities
▪️ Taurodontism
▪️ Increased caries experience
▪️ Hyposalivation
▪️ Periodontal changes
▪️ Malocclusion and altered craniofacial development

Recent systematic reviews continue to document these associations, although the magnitude of risk varies according to age at treatment, cancer type, therapeutic agents, radiotherapy exposure, and other treatment characteristics.
Radiographic evaluation should therefore be considered when clinically justified to monitor tooth development, root morphology, eruption, and other treatment-related abnormalities.

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💬 Discussion
The dental management of pediatric oncology patients is fundamentally preventive and multidisciplinary. The timing of dental treatment is often as important as the treatment itself. Pre-treatment stabilization of oral disease can reduce avoidable infectious and traumatic complications, while conservative oral care during active therapy helps preserve mucosal integrity and oral function.
However, clinical decisions cannot be based on a single laboratory value or a universal dental protocol. Hematologic parameters, cancer diagnosis, treatment intensity, HCT status, medications, mucosal condition, and the urgency of the dental problem must be considered together.
The evidence base also has important limitations. Pediatric-specific studies of mucositis interventions remain relatively scarce, and several recommendations continue to rely on extrapolation from adult oncology populations or expert consensus.

🎯 Clinical Recommendations
Because this topic is primarily management-oriented, Clinical Recommendations provide greater practical value than Clinical Pearls.

1. Complete a dental assessment before cancer therapy whenever the clinical timeline permits.
2. Prioritize elimination or stabilization of significant oral infectious foci before periods of profound immunosuppression.
3. Obtain current medical information and coordinate invasive treatment with the oncology team.
4. Maintain basic oral hygiene throughout cancer treatment, adapting the approach to mucosal tolerance.
5. Treat oral pain, mucositis, infection, and xerostomia promptly rather than waiting for routine dental appointments.
6. Continue dental surveillance after cancer therapy to detect developmental dental abnormalities and long-term oral complications.
7. Individualize treatment according to the child's oncology protocol rather than applying fixed dental thresholds or schedules.

✍️ Conclusion
Pediatric oncology dental management should integrate prevention, infection control, symptom management, and long-term surveillance. The pediatric dentist has an important role before, during, and after cancer therapy, particularly in identifying oral disease before immunosuppression and maintaining oral health throughout treatment.
Current evidence supports a multidisciplinary, individualized approach, while recognizing that pediatric-specific evidence remains limited for several interventions. Long-term follow-up is essential because dental and oral sequelae may become evident years after completion of cancer therapy.

📚 References

✔ American Academy of Pediatric Dentistry. (2016). Guideline on dental management of pediatric patients receiving chemotherapy, hematopoietic cell transplantation, and/or radiation therapy. Pediatric Dentistry, 38(6), 334–342.
✔ Elad, S., Cheng, K. K. F., Lalla, R. V., Yarom, N., Hong, C., Logan, R. M., Bowen, J., Gibson, R., Saunders, D. P., Zadik, Y., Ariyawardana, A., Correa, M. E., Ranna, V., & Bossi, P. (2020). MASCC/ISOO clinical practice guidelines for the management of mucositis secondary to cancer therapy. Cancer, 126(19), 4423–4431. https://doi.org/10.1002/cncr.33100
✔ Miranda-Silva, W., Gomes-Silva, W., Zadik, Y., Yarom, N., Al-Azri, A. R., Hong, C. H. L., Ariyawardana, A., Saunders, D. P., Correa, M. E., Arany, P., Bowen, J., Cheng, K. K. F., Tissing, W. J. E., Bossi, P., & Elad, S. (2021). MASCC/ISOO clinical practice guidelines for the management of mucositis: Sub-analysis of current interventions for the management of oral mucositis in pediatric cancer patients. Supportive Care in Cancer, 29(7), 3539–3562. https://doi.org/10.1007/s00520-020-05803-4
✔ Busenhart, D. M., Erb, J., Rigakos, G., Eliades, T., & Papageorgiou, S. N. (2018). Adverse effects of chemotherapy on the teeth and surrounding tissues of children with cancer: A systematic review with meta-analysis. Oral Oncology, 83, 64–72. https://doi.org/10.1016/j.oraloncology.2018.06.001
✔ Mishra, R., Kapur, A., Mathur, V. P., & Sardana, D. (2024). Late oral adverse effects of chemotherapy for hematological malignancies in children: A systematic review and meta-analysis of case-control studies. Oral Oncology, 159, 107103. https://doi.org/10.1016/j.oraloncology.2024.107103
✔ Torrecillas-Quiles, L., Gómez-Ríos, I., Jiménez-García, I., Serrano-Belmonte, I., Ortiz-Ruiz, A. J., & Serna-Muñoz, C. (2025). Oral and dental sequelae after oncological treatment in children: A systematic review. Journal of Clinical Medicine, 14(15), 5479. https://doi.org/10.3390/jcm14155479

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Regenerative Pulp Therapy in Pediatric Dentistry: When Is It Truly Indicated?

Regenerative pulp therapy is increasingly discussed in pediatric dentistry, but its clinical indication is narrower than the term may suggest.

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In current clinical practice, regenerative endodontic procedures (REPs) are primarily considered for immature permanent teeth with pulp necrosis, particularly when continued root development would provide a biological advantage.

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This distinction is important because regenerative endodontics should not be confused with vital pulp therapy, such as indirect pulp treatment or pulpotomy.
In a vital immature permanent tooth, preservation of the existing pulp is generally the preferred biological strategy; regeneration is primarily considered when the pulp is already necrotic and conventional treatment would leave a tooth with thin dentinal walls and an open apex.
The current AAPD guidance specifically identifies regenerative endodontics as an option for immature permanent teeth with necrotic pulp and apical periodontitis.

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✅ What Is Regenerative Endodontic Therapy?
Regenerative endodontic procedures (REPs) are biologically based treatments designed to disinfect the canal while creating conditions that may permit tissue ingrowth and continued development of an immature permanent root.

Unlike conventional root canal treatment, which removes the infected pulp and obturates the canal, REPs aim to preserve the potential for:
▪️ Continued root lengthening ▪️ Thickening of dentinal walls ▪️ Apical maturation ▪️ Resolution of periapical inflammation or apical periodontitis

Importantly, radiographic evidence of continued root development does not necessarily demonstrate regeneration of a normal pulp-dentin complex. Current literature emphasizes that clinical success and tooth survival are more predictable than true pulp regeneration or recovery of normal pulp function.

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✅ When Is Regenerative Therapy Actually Indicated?
The strongest clinical indication is an immature permanent tooth with necrotic pulp and an open apex, especially when the tooth is restorable and preservation of further root development is desirable.

Typical candidates include:
▪️ Immature permanent tooth
▪️ Necrotic pulp
▪️ Open or incompletely developed apex
▪️ Apical periodontitis or a periapical lesion may be present
▪️ Adequate tooth structure for restoration
▪️ A patient and family able to comply with follow-up
▪️ No contraindication to the required intracanal medicaments

The AAE's clinical considerations similarly identify a necrotic immature permanent tooth as the fundamental case-selection criterion and emphasize patient compliance, restorability, and appropriate informed consent.

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✅ Clinical Indication: At a Glance

Clinical Indications for Regenerative Endodontic Procedures

Clinical Factor	Typical Finding	Clinical Significance
Tooth type	Immature permanent tooth	Root development remains incomplete.
Pulp status	Necrotic pulp	Vital pulp therapy is no longer the appropriate biological objective.
Apical development	Open or immature apex	Provides access to the apical tissues involved in the regenerative process.
Periapical status	Apical periodontitis may be present	Periapical disease does not automatically exclude regenerative treatment.
Restorability	Adequate remaining tooth structure	A durable coronal seal is essential for long-term success.

✅ When Regenerative Therapy Is Not the First Choice
Regenerative endodontics is not a substitute for vital pulp therapy.
For an immature permanent tooth with a vital pulp or reversible pulpitis, preservation of the existing pulp through appropriate vital pulp therapy should generally be considered first. The AAPD includes indirect pulp treatment, direct pulp capping, partial pulpotomy, and complete pulpotomy among the vital pulp therapies applicable to immature permanent teeth.
Similarly, primary teeth are not the principal indication for regenerative endodontic procedures. Current AAPD recommendations address primary teeth using vital pulp therapies when the pulp is vital and pulpectomy or other nonvital approaches when necrosis or irreversible disease is present.

Therefore, the following situations should prompt consideration of another treatment strategy:

Clinical Situation	More Appropriate Approach
Vital immature permanent tooth	Vital pulp therapy
Reversible pulpitis	Vital pulp therapy
Necrotic mature permanent tooth	Conventional endodontic treatment is generally established
Necrotic immature permanent tooth with open apex	Regenerative endodontic procedure may be considered
Non-restorable tooth	Extraction or other appropriate treatment

✅ Biological Rationale
The principal advantage of regenerative treatment in the immature permanent tooth is not simply elimination of infection. It is the possibility of preserving or enhancing root development after pulpal necrosis.
A conventional apexification procedure can establish an apical barrier and facilitate canal obturation, but it does not reliably reproduce continued physiological root maturation. REPs, in contrast, are intended to create an environment that can support continued deposition of hard tissue along the canal walls and further root development.
This distinction is particularly relevant in young permanent teeth because thin dentinal walls increase susceptibility to cervical or root fracture. Consequently, maintaining or increasing root wall thickness may have important long-term biological implications.

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✅ Key Clinical Considerations
A regenerative procedure is highly dependent on case selection, infection control, and coronal sealing.
The contemporary AAE protocol emphasizes conservative canal disinfection, avoidance of unnecessary mechanical instrumentation of fragile immature roots, and careful control of irrigant extrusion. Calcium hydroxide or an appropriately prepared antibiotic formulation may be used as an intracanal medicament, followed by induction of intracanal bleeding or another scaffold strategy according to the selected protocol.
However, protocols continue to evolve. A 2024 systematic review and network meta-analysis found favorable clinical and radiographic outcomes with several scaffold approaches, but the certainty of evidence varied from low to very low, particularly for comparisons among different regenerative scaffolds.
Recent evidence also supports caution when interpreting radiographic "regeneration." A 2026 systematic review found high pooled clinical success and tooth survival across different degrees of root maturity, while complete apical closure and recovery of pulp vitality were considerably more variable. The authors specifically emphasized that clinical success does not necessarily demonstrate true pulp-dentin regeneration.

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💬 Discussion
The most important clinical question is not whether regenerative endodontics is possible, but whether it provides a meaningful biological advantage for the specific tooth.
For a necrotic immature permanent tooth, regenerative therapy can be attractive because conventional treatment may leave a tooth with compromised root dimensions. Evidence from systematic reviews indicates that REPs can produce high rates of clinical healing and tooth survival, while also providing greater potential for root lengthening and dentinal wall thickening than procedures designed solely to create an apical barrier.
Nevertheless, the evidence does not justify interpreting every increase in root dimensions as genuine regeneration of functional pulp tissue. Furthermore, treatment protocols remain heterogeneous, long-term randomized evidence is limited, and complications such as crown discoloration can occur, particularly with some antibiotic-based protocols.
Thus, regenerative endodontics should be regarded as a selective biological treatment for appropriately chosen immature permanent teeth, rather than a routine alternative to vital pulp therapy or conventional root canal treatment.

🎯 Clinical Recommendations
▪️ Confirm pulpal and periapical diagnosis carefully before considering a regenerative procedure; case selection is more important than the regenerative protocol itself.
▪️ Prioritize vital pulp therapy when the pulp remains viable, particularly in an immature permanent tooth where apexogenesis can still occur.
▪️ Consider REP primarily when there is a necrotic immature permanent tooth with an open apex and preservation of further root development is clinically desirable.
▪️ Establish effective infection control and a durable coronal seal; these remain fundamental determinants of treatment success.
▪️ Discuss with parents and patients that the objective includes healing and continued root development, not a guaranteed recreation of a normal pulp-dentin complex.
▪️ Maintain long-term clinical and radiographic follow-up, because radiographic maturation and pulp sensibility responses can be variable.

✍️ Conclusion
Regenerative endodontic procedures have their clearest role in immature permanent teeth with pulp necrosis and an open apex. Their principal biological rationale is the possibility of continued root maturation and reinforcement of thin dentinal walls.
They should not replace vital pulp therapy when a healthy or reparable pulp remains, nor should they be routinely extrapolated to primary teeth. Current evidence supports favorable healing and survival outcomes, but the terminology of "regeneration" should be interpreted cautiously because true functional pulp regeneration remains less predictable than clinical resolution and radiographic root development.

📚 References

✔ American Academy of Pediatric Dentistry. (2025). Pulp therapy for primary and immature permanent teeth: Indications and objectives. In The Reference Manual of Pediatric Dentistry (pp. 487–496). American Academy of Pediatric Dentistry.
✔ American Association of Endodontists. (2022). AAE clinical considerations for a regenerative procedure: Revised November 2022. American Association of Endodontists.
✔ Coll, J. A., Dhar, V., Chen, C.-Y., Crystal, Y. O., Guelmann, M., Marghalani, A. A., AlShamali, S., Xu, Z., Glickman, G. N., & Wedeward, R. (2024). Use of vital pulp therapies in primary teeth 2024. Pediatric Dentistry, 46(1), 13–26.
✔ Galler, K. M., Krastl, G., Simon, S., Van Gorp, G., Meschi, N., Vahedi, B., & Lambrechts, P. (2016). European Society of Endodontology position statement: Revitalization procedures. International Endodontic Journal, 49(8), 717–723. https://doi.org/10.1111/iej.12629
✔ Sabeti, M., Ghobrial, D., Zanjir, M., da Costa, B. R., Young, Y., & Azarpazhooh, A. (2024). Treatment outcomes of regenerative endodontic therapy in immature permanent teeth with pulpal necrosis: A systematic review and network meta-analysis. International Endodontic Journal, 57(3), 238–255. https://doi.org/10.1111/iej.13999
✔ Tewari, N., Devi, P., Sampath, S., Mathur, V. P., Tsilingaridis, G., Wikström, A., Rahul, M., & Bansal, K. (2025). Comparative effectiveness of regenerative endodontic treatment versus apexification for necrotic immature permanent teeth with or without apical periodontitis: An umbrella review. Endodontic Therapy, 41(3), 263–282. https://doi.org/10.1111/edt.13028

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Severe Toothache: When Is It an Emergency?

Severe toothache is a common reason for urgent dental consultation and may result from pulpal inflammation, pulpal necrosis, apical periodontitis, dental abscess, trauma, or extensive tooth destruction.

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Although intense pain does not necessarily indicate a life-threatening condition, certain clinical findings suggest the progression of an odontogenic infection and require immediate assessment.

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The critical distinction is between pain that requires urgent dental treatment and symptoms indicating possible extension into deeper facial or cervical spaces, which may require emergency medical evaluation. Current evidence emphasizes definitive dental treatment for the underlying cause rather than relying solely on analgesics or antibiotics.

✅ What Can Cause Severe Toothache?
Severe dental pain may be associated with several conditions:

▪️ Symptomatic irreversible pulpitis: often produces spontaneous, persistent, or poorly localized pain, frequently aggravated by thermal stimuli.
▪️ Symptomatic apical periodontitis: pain is commonly elicited by biting or percussion.
▪️ Acute apical abscess: may present with localized pain, swelling, tenderness, and purulent drainage.
▪️ Dental trauma or tooth fracture: can produce acute pain and pulpal or periodontal complications.
▪️ Advanced dental caries: extensive carious lesions may result in pulpal inflammation or necrosis.
▪️ Periodontal or pericoronal infections: particularly when localized swelling and tissue inflammation are present.

Clinical diagnosis should be based on the history, clinical examination, pulp sensibility testing when appropriate, periodontal assessment, and radiographic findings rather than pain intensity alone.

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Dental Article 🔽 Analgesic Protocols for Pediatric Dental Emergencies (2026): Ibuprofen, Acetaminophen, and Combination Strategies ... The use of analgesic and anti-inflammatory medications in pediatric dentistry must follow strict clinical guidelines to ensure both efficacy and safety.

✅ When Is Severe Toothache a Dental Emergency?
Severe toothache should generally receive prompt dental assessment, particularly when the pain is persistent, spontaneous, interferes with normal function, or does not respond adequately to appropriate analgesia. Toothache lasting more than two days, pain associated with biting, fever, unpleasant taste, gingival inflammation, or facial swelling warrants dental evaluation.

The following findings increase the likelihood that urgent dental treatment is required:

Clinical finding	Possible significance	Recommended action
Severe spontaneous pain	Possible symptomatic irreversible pulpitis	Urgent dental assessment and definitive treatment
Pain on biting or percussion	Possible symptomatic apical periodontitis	Prompt endodontic or restorative evaluation
Localized swelling or purulence	Possible acute apical abscess	Urgent source control and drainage when indicated
Fever or malaise	Possible systemic involvement	Urgent dental evaluation; assess need for systemic antibiotics
Progressive facial swelling	Potential spreading odontogenic infection	Urgent clinical assessment

✅ When Does Toothache Require Emergency Medical Care?
The most important emergency warning signs are those suggesting airway compromise, deep-space infection, or extension beyond the localized dental tissues.

Immediate emergency evaluation is indicated when dental infection is accompanied by:
▪️ Difficulty breathing
▪️ Difficulty swallowing
▪️ Difficulty speaking
▪️ Marked swelling of the mouth, face, or neck
▪️ Progressive neck swelling
▪️ Periorbital swelling or ocular symptoms
▪️ Significant limitation of mouth opening (trismus) associated with spreading infection

These findings can indicate extension of an odontogenic infection into anatomical spaces where airway obstruction or other serious complications may develop. Emergency medical services or an emergency department should be considered when airway or swallowing function is compromised.

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✅ Does Severe Toothache Always Require Antibiotics?
Severe dental pain does not automatically indicate the need for antibiotics.
The American Dental Association guideline recommends prioritizing definitive conservative dental treatment for most pulpal and periapical conditions, including procedures such as pulpotomy, pulpectomy, nonsurgical root canal treatment, or incision and drainage when clinically indicated. Antibiotics are generally not recommended when infection remains localized and there is no systemic involvement.
Antibiotic therapy becomes more relevant when there is evidence of systemic involvement, such as fever or malaise, or when the infection demonstrates progression or poses concern for deeper-space involvement. Definitive dental treatment should not be unnecessarily delayed because antibiotics alone do not eliminate the underlying source of most odontogenic infections.

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✅ Pain Management While Definitive Treatment Is Pending
When immediate definitive treatment is temporarily unavailable, current ADA recommendations support non-opioid analgesics as first-line therapy for acute dental pain.
Nonsteroidal anti-inflammatory drugs (NSAIDs), alone or combined with acetaminophen, generally provide effective pain control and have a more favorable risk-benefit profile than opioids for most patients without contraindications.
Analgesic selection should consider contraindications, drug interactions, renal and gastrointestinal risk, anticoagulant therapy, pregnancy status, allergy history, and other relevant patient factors. Analgesics should be regarded as temporary symptom management, not definitive treatment of the dental cause.

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✅ Clinical Assessment of Severe Toothache
A systematic emergency assessment should establish:

1. Pain characteristics: onset, duration, spontaneous versus provoked pain, thermal sensitivity, and pain on biting.
2. Extraoral findings: facial asymmetry, swelling, lymphadenopathy, skin changes, and extension toward the neck or orbit.
3. Intraoral findings: caries, fractures, swelling, sinus tract, periodontal involvement, and purulent drainage.
4. Pulpal and periapical status: sensibility testing, percussion, palpation, and mobility as clinically indicated.
5. Airway-related symptoms: dysphagia, dyspnea, dysphonia, and progressive swelling.
6. Systemic status: temperature, malaise, and relevant medical conditions.
7. Radiographic assessment: when indicated to identify periapical pathology, extensive caries, fractures, or other sources of infection.

The presence of airway symptoms or rapidly progressive swelling should take precedence over routine dental diagnostic procedures.

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💬 Discussion
The clinical significance of severe toothache depends less on the numerical intensity of pain than on its etiology, associated findings, and progression. Symptomatic irreversible pulpitis can cause extremely severe pain without systemic infection, whereas a relatively localized dental infection may subsequently develop into a more serious spreading infection.
This distinction is particularly important for antibiotic stewardship. Current evidence supports source control and definitive dental treatment rather than antibiotic therapy for uncomplicated pulpal and localized periapical conditions. When systemic involvement occurs, antibiotics may become appropriate as an adjunct to definitive treatment.
Emergency medical referral is primarily determined by signs suggesting airway compromise, deep-space involvement, or significant spreading infection, rather than by pain severity alone. Difficulty breathing or swallowing, marked facial or neck swelling, ocular involvement, and significant trismus should therefore be considered high-priority findings.

🎯 Clinical Recommendations
▪️ Prioritize definitive dental treatment when severe toothache is caused by pulpal or periapical disease.
▪️ Do not use pain intensity alone to determine whether systemic antibiotics are indicated.
▪️ Assess systematically for fever, malaise, progressive swelling, trismus, dysphagia, and dyspnea.
▪️ Treat airway or swallowing compromise as a medical emergency, requiring immediate escalation of care.
▪️ Use NSAIDs, with or without acetaminophen when appropriate, as first-line pharmacologic management of acute dental pain.
▪️ Consider the patient's medical history and contraindications before prescribing analgesics or antibiotics.
▪️ When antibiotics are indicated, use them as an adjunct to source control, not as a substitute for definitive dental treatment.
▪️ Reassess patients with progressive symptoms promptly because the clinical status of odontogenic infections can change rapidly.

✍️ Conclusion
Severe toothache requires prompt evaluation, but not every episode represents a life-threatening emergency. Pulpal and periapical diseases commonly require urgent dental treatment, while fever, progressive swelling, trismus, dysphagia, dyspnea, and cervical or periorbital involvement indicate a higher level of concern.
The appropriate clinical approach is to identify the underlying dental cause, provide evidence-based analgesia, perform definitive source control when indicated, and recognize early signs of spreading odontogenic infection or airway compromise. Current guidelines support minimizing unnecessary antibiotic use while maintaining a low threshold for emergency escalation when systemic or deep-space involvement is suspected.

📚 References

✔ American Dental Association. (2019). Evidence-based clinical practice guideline on antibiotic use for the urgent management of pulpal- and periapical-related dental pain and intraoral swelling: A report from the American Dental Association. Journal of the American Dental Association, 150(11), 906–921. https://doi.org/10.1016/j.adaj.2019.08.020
✔ Carrasco-Labra, A., Polk, D. E., Urquhart, O., Aghaloo, T., Claytor, J. W., Jr., Dhar, V., Dionne, R. A., Espinoza, L., Gordon, S. M., Hersh, E. V., Law, A. S., Li, B. S.-K., Schwartz, P. J., Suda, K. J., Turturro, M. A., Wright, M. L., Dawson, T., Miroshnychenko, A., Pahlke, S., Pilcher, L., Shirey, M., Tampi, M., & Moore, P. A. (2024). Evidence-based clinical practice guideline for the pharmacologic management of acute dental pain in adolescents, adults, and older adults: A report from the American Dental Association Science and Research Institute, the University of Pittsburgh, and the University of Pennsylvania. Journal of the American Dental Association, 155(2), 102–117.e9. https://doi.org/10.1016/j.adaj.2023.10.009
✔ Green, V. G., Polk, D. E., Turturro, M. A., Moore, P. A., & Carrasco-Labra, A. (2025). Evidence-based clinical practice guidelines for the management of acute dental pain. American Journal of Emergency Medicine, 89, 247–253. https://doi.org/10.1016/j.ajem.2024.12.054
✔ National Health Service. (2026). Toothache. NHS.
✔ National Health Service. (2026). Dental abscess. NHS.

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Metal Braces Benefits: Why Are They Still Used?

Metal braces, particularly conventional stainless-steel brackets, remain one of the most widely used fixed orthodontic appliances.

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Their continued clinical use is related to their mechanical properties, versatility, durability, and ability to provide precise three-dimensional control of tooth movement.

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Although newer orthodontic systems, including ceramic brackets, self-ligating brackets, and clear aligners, offer alternative treatment approaches, conventional metal brackets continue to have an important role in comprehensive orthodontic therapy.
Current evidence indicates that the choice of appliance should be based on the patient's malocclusion, treatment objectives, biomechanics, esthetic preferences, and clinical circumstances rather than on the bracket material alone.

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🔹 What Are the Main Benefits of Metal Braces?

1. High Mechanical Strength and Durability
Stainless-steel brackets have high resistance to deformation and fracture under normal clinical conditions. This mechanical stability is particularly useful when orthodontic treatment requires substantial wire engagement, torque expression, or complex biomechanics.
Their durability also makes them suitable for prolonged fixed-appliance treatment.

2. Precise Control of Tooth Movement
One of the principal advantages of fixed metal appliances is their ability to maintain continuous mechanical control over individual teeth.
The bracket slot–archwire relationship permits the clinician to control:
▪️ Angulation
▪️ Inclination and torque
▪️ Rotation
▪️ Mesiodistal positioning
▪️ Vertical tooth position
The degree of torque expression depends on factors such as bracket slot dimensions, archwire size, material, and bracket–wire interaction. Therefore, the presence of a metal bracket alone does not guarantee a specific treatment effect.

3. Versatility in Orthodontic Mechanics
Metal brackets are compatible with a wide range of orthodontic mechanics, including:
▪️ Elastic chains
▪️ Intermaxillary elastics
▪️ Closing loops
▪️ Open and closed coil springs
▪️ Auxiliary wires
▪️ Temporary anchorage device–supported mechanics
This versatility is particularly relevant in complex malocclusions, extraction cases, space closure, and three-dimensional tooth-position correction.

4. Effective Treatment of Complex Malocclusions
Fixed appliances provide continuous force application and allow the orthodontist to control individual teeth throughout treatment. This can be particularly useful when substantial changes in tooth position or occlusal relationships are required.
Systematic reviews confirm that fixed appliances can produce substantial improvements in occlusal outcomes, although treatment effectiveness is influenced by the initial malocclusion and treatment protocol rather than by the bracket type alone.

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5. Predictable Integration With Different Archwires
Metal brackets can be used throughout the different stages of fixed orthodontic treatment, from initial alignment to finishing.
A typical treatment sequence may incorporate nickel-titanium archwires during alignment and leveling, followed by progressively more rigid wires for space control, torque expression, and finishing.
This allows the clinician to modify the biomechanics according to the treatment phase.

6. Resistance to Clinical Wear
The oral environment exposes orthodontic materials to mechanical forces, moisture, temperature fluctuations, plaque, and chemical changes. Although bracket surfaces can undergo clinical changes and friction may increase after intraoral aging, stainless-steel brackets remain mechanically suitable for long-term orthodontic use.

7. Established Clinical Evidence
Conventional fixed appliances have been investigated extensively in clinical orthodontics. Systematic reviews have reported average comprehensive fixed-appliance treatment durations of approximately 20–25 months, although considerable variation exists between patients and treatment protocols.
Importantly, current evidence does not support attributing treatment duration or final occlusal quality exclusively to bracket material. Patient characteristics, malocclusion severity, extraction requirements, biomechanics, and treatment objectives can substantially influence outcomes.

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🔹 Metal Braces: Key Benefits at a Glance

Benefit	Clinical Relevance
Durability	Resistant to deformation and suitable for prolonged fixed treatment.
Three-dimensional control	Allows control of angulation, torque, rotation, and tooth position.
Biomechanical versatility	Compatible with elastics, springs, loops, chains, and auxiliary mechanics.
Complex case management	Useful when extensive tooth movement and detailed occlusal correction are required.
Archwire compatibility	Supports different archwire materials and dimensions throughout treatment.

💬 Discussion
The main advantage of metal orthodontic brackets is not simply their material composition but the combination of mechanical strength, fixed tooth control, and biomechanical versatility. These characteristics make them applicable to a broad spectrum of orthodontic treatments.
However, the evidence does not demonstrate that metal brackets inherently produce superior treatment outcomes compared with every alternative appliance. Recent systematic evidence indicates that differences between bracket designs may have limited influence on overall treatment duration or occlusal outcome.
Bracket selection should therefore be incorporated into a broader treatment strategy that considers malocclusion severity, anchorage requirements, desired tooth movements, patient factors, esthetics, and clinician-controlled biomechanics.

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✍️ Conclusion
Metal braces remain a reliable and versatile option for fixed orthodontic treatment. Their principal advantages include durability, precise tooth control, compatibility with diverse biomechanical systems, and extensive clinical experience.
Rather than considering metal brackets inherently superior, their value should be understood in relation to the specific treatment objectives and biomechanical requirements of each patient.

🎯 Clinical Recommendations
▪️ Select metal brackets when precise fixed-appliance control and broad biomechanical versatility are required.
▪️ Match bracket slot, prescription, and archwire dimensions to the intended tooth movements rather than relying solely on bracket material.
▪️ Consider the entire biomechanical system—including ligation, archwire properties, anchorage, and auxiliaries—when planning treatment.
▪️ Avoid promising shorter treatment solely because metal brackets are being used; treatment duration is multifactorial.

📚 References

✔ Abbing, A., Koretsi, V., Eliades, T., & Papageorgiou, S. N. (2020). Duration of orthodontic treatment with fixed appliances in adolescents and adults: A systematic review with meta-analysis. Progress in Orthodontics, 21, 37. https://doi.org/10.1186/s40510-020-00334-4
✔ Papageorgiou, S. N., Höchli, D., & Eliades, T. (2017). Outcomes of comprehensive fixed appliance orthodontic treatment: A systematic review with meta-analysis and methodological overview. Korean Journal of Orthodontics, 47(6), 401–413. https://doi.org/10.4041/kjod.2017.47.6.401
✔ Tsichlaki, A., Chin, S. Y., Pandis, N., & Fleming, P. S. (2016). How long does treatment with fixed orthodontic appliances last? A systematic review. American Journal of Orthodontics and Dentofacial Orthopedics, 149(3), 308–318. https://doi.org/10.1016/j.ajodo.2015.09.020
✔ Wazwaz, F., Seehra, J., Carpenter, G. H., Ireland, A. J., Papageorgiou, S. N., & Cobourne, M. T. (2022). Duration of tooth alignment with fixed appliances: A systematic review and meta-analysis. American Journal of Orthodontics and Dentofacial Orthopedics, 161(1), 20–36. https://doi.org/10.1016/j.ajodo.2021.06.016

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