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miércoles, 11 de febrero de 2026

Mucocele vs. Ranula: Clinical Differences, Etiology, and Management

Mucocele - Ranula

Mucocele and ranula are common benign lesions of the salivary glands that frequently present in dental and oral medicine practice. Although both result from salivary mucus extravasation or retention, they differ in anatomical location, clinical behavior, and therapeutic approach.

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Dental Article 🔽 Oral Mucocele in Pediatric Patients: Clinical Features and Surgical Management ... Mucoceles are mucous-filled cystic lesions primarily resulting from trauma to minor salivary glands. They commonly appear in children and adolescents, particularly on the lower lip.
Accurate differentiation is essential to ensure proper diagnosis, treatment planning, and recurrence prevention.

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Definition and Clinical Characteristics

Mucocele
A mucocele is a mucus-filled cystic lesion arising from minor salivary glands, typically due to mechanical trauma causing ductal rupture.

Key clinical features:
▪️ Soft, fluctuant, dome-shaped swelling
▪️ Bluish or translucent appearance
▪️ Commonly located on the lower lip, buccal mucosa, or ventral tongue
▪️ Usually painless and variable in size

Ranula
A ranula is a larger mucous lesion originating from the sublingual gland, located in the floor of the mouth. It represents a specific type of mucocele with deeper anatomical involvement.

Key clinical features:
▪️ Unilateral, bluish swelling in the floor of the mouth
▪️ May elevate the tongue or interfere with speech and swallowing
▪️ Can extend into the neck (plunging ranula)

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Dental Article 🔽 Blandin–Nuhn Mucocele: Etiology, Clinical Features, and Effective Management ... These lesions represent a subtype of oral mucoceles and are caused by extravasation of mucus following trauma or ductal disruption.
Etiology and Pathogenesis
Both lesions develop due to salivary flow disruption, but their mechanisms differ:

▪️ Mucocele: Most commonly caused by trauma or lip biting, leading to mucus extravasation into surrounding connective tissue.
▪️ Ranula: Typically results from ductal obstruction or rupture of the sublingual gland, with mucus accumulation in deeper anatomical planes.
The absence of an epithelial lining in most cases classifies them as pseudocysts.

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Diagnosis
Diagnosis is primarily clinical, supported by imaging when necessary.

▪️ Mucocele: Clinical examination is usually sufficient.
▪️ Ranula: Ultrasound, CT, or MRI may be required to determine lesion extension, especially in suspected plunging ranula.
Histopathological analysis confirms diagnosis and excludes salivary gland neoplasms.

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Treatment Options

Mucocele
▪️ Surgical excision of the lesion and associated minor salivary glands
▪️ Marsupialization in selected cases
▪️ Low recurrence when excision is complete

Ranula
▪️ Surgical removal of the sublingual gland is considered the gold standard
▪️ Simple drainage alone is associated with high recurrence rates
▪️ Plunging ranulas require combined intraoral and cervical approaches

📊 Comparative Table: Mucocele vs. Ranula – Key Clinical Differences

Clinical Feature Mucocele Ranula
Primary gland involved Minor salivary glands Sublingual gland
Common location Lower lip and buccal mucosa Floor of the mouth
Size Small to moderate Often large
Risk of recurrence Low after proper excision High if sublingual gland is not removed
Potential complications Minimal Airway or swallowing interference
💬 Discussion
Although mucocele and ranula share similar histopathological characteristics, their clinical behavior and management differ significantly. Ranulas require more aggressive treatment due to deeper glandular involvement and higher recurrence rates. Misdiagnosis or incomplete treatment may lead to repeated lesions and functional impairment.

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🎯 Recommendations
▪️ Perform thorough clinical examination and imaging when indicated
▪️ Avoid simple drainage as definitive treatment for ranula
▪️ Submit all excised lesions for histopathological analysis
▪️ Educate patients on trauma-related risk factors

✍️ Conclusion
Mucocele and ranula are distinct salivary gland disorders that require accurate diagnosis and tailored management. Understanding their anatomical origin, clinical presentation, and evidence-based treatment options allows clinicians to reduce recurrence and optimize patient outcomes.

📚 References

✔ Neville, B. W., Damm, D. D., Allen, C. M., & Chi, A. C. (2016). Oral and maxillofacial pathology (4th ed.). Elsevier.
✔ Zhao, Y. F., Jia, Y., Chen, X. M., & Zhang, W. F. (2004). Clinical review of 580 ranulas. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology, 98(3), 281–287. https://doi.org/10.1016/j.tripleo.2004.03.006
✔ Baurmash, H. D. (2003). Mucocele and ranula. Journal of Oral and Maxillofacial Surgery, 61(3), 369–378. https://doi.org/10.1053/joms.2003.50074

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Things You Should Know Before and After Third Molar Extraction

Third Molar Extraction

Third molar extraction, commonly known as wisdom tooth removal, is a frequent oral surgical procedure. Although often routine, it involves biological processes that patients should understand to reduce complications and improve healing.

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Knowing what to expect before and after the extraction allows better decision-making and safer recovery.

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Why Third Molars Often Need Extraction
Third molars usually erupt between 17 and 25 years of age. Due to limited jaw space, they may remain impacted, partially erupted, or misaligned, increasing the risk of:

▪️ Pericoronitis (infection of surrounding gum tissue)
▪️ Dental caries in adjacent teeth
▪️ Periodontal disease
▪️ Cyst or tumor formation
▪️ Chronic pain or jaw discomfort
Early evaluation helps prevent these complications.

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Dental Article 🔽 Wisdom Tooth Infection (Pericoronitis): Causes, Symptoms, and Evidence-Based Treatment ... The most frequent cause of infection is partial eruption of the third molar, which creates a gingival flap (operculum) that traps plaque and debris.
Key Factors to Consider Before the Procedure

1. Position and Impaction Level
Wisdom teeth may be fully erupted, partially erupted, or completely impacted in bone. Deeper impaction increases surgical complexity, healing time, and postoperative discomfort.

2. Age of the Patient
Younger patients usually experience faster healing and fewer complications, as bone is less dense and roots are not fully developed.

3. Radiographic Evaluation
Panoramic radiographs or CBCT scans help assess root anatomy, nerve proximity, and surgical risk, especially in lower third molars near the inferior alveolar nerve.

4. Systemic Health
Conditions such as diabetes, smoking habits, or immune disorders can delay healing and increase infection risk, requiring tailored surgical planning.

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What to Expect After Third Molar Extraction
Postoperative symptoms are usually temporary and part of normal healing:

▪️ Swelling (peaks at 48–72 hours)
▪️ Mild to moderate pain
▪️ Limited mouth opening (trismus)
▪️ Minor bleeding during first 24 hours
Proper postoperative care significantly reduces discomfort and complications.

📊 Comparative Table: Postoperative Care After Third Molar Extraction

Care Measure Purpose Important Notes
Cold compress (first 24–48 h) Reduces swelling and inflammation Apply intermittently, not directly on skin
Soft diet Prevents trauma to surgical site Avoid hard, hot, or spicy foods
Oral hygiene with caution Prevents infection Do not rinse forcefully during first 24 h
Avoid smoking Protects blood clot formation Smoking increases dry socket risk
Prescribed medication Controls pain and inflammation Follow dosage exactly as indicated
Common Complications and How to Prevent Them

Dry Socket (Alveolar Osteitis)
Occurs when the blood clot is lost prematurely.
▪️ More common in smokers and difficult extractions
▪️ Prevented by avoiding suction, smoking, and aggressive rinsing

Infection
Signs include increasing pain, swelling, or fever.
▪️ Proper hygiene and medication adherence are essential

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💬 Discussion
Third molar extraction is safe when proper diagnosis, surgical technique, and patient cooperation are present. Most complications arise from poor postoperative care or delayed intervention. Clear patient education significantly improves outcomes and satisfaction.

🎯 Recommendations
▪️ Follow all postoperative instructions strictly
▪️ Maintain gentle oral hygiene
▪️ Attend follow-up appointments
▪️ Seek professional care if pain worsens after day 3

✍️ Conclusion
Third molar extraction is a predictable and effective procedure when managed correctly. Understanding the process and applying appropriate postoperative care minimizes complications and ensures safe, comfortable healing.

📚 References

✔ Bui, C. H., Seldin, E. B., & Dodson, T. B. (2003). Types, frequencies, and risk factors for complications after third molar extraction. Journal of Oral and Maxillofacial Surgery, 61(12), 1379–1389. https://doi.org/10.1016/j.joms.2003.04.001
✔ Renton, T., & Yilmaz, Z. (2012). Profiling of patients presenting with post-surgical neuropathy of the trigeminal nerve. Journal of Oral and Maxillofacial Surgery, 70(11), 2611–2620. https://doi.org/10.1016/j.joms.2012.06.195
✔ American Association of Oral and Maxillofacial Surgeons. (2016). Management of third molar teeth. Journal of Oral and Maxillofacial Surgery, 74(12), 2222–2232. https://doi.org/10.1016/j.joms.2016.08.004

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lunes, 9 de febrero de 2026

Vital vs. Non-Vital Pulp Therapies in Pediatric Dentistry: A Clinical and Evidence-Based Guide

Pulp Therapies

Pulp therapy in pediatric dentistry aims to preserve the function and integrity of primary and young permanent teeth affected by caries or trauma. The selection between vital pulp therapies and non-vital pulp therapies depends on accurate diagnosis, pulp status, root development, and the strategic importance of the tooth.

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Understanding these therapeutic approaches is essential for achieving long-term success while maintaining normal occlusal development and oral health.

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Vital Pulp Therapies in Pediatric Dentistry
Vital pulp therapy (VPT) is indicated when the pulp remains partially or fully vital and capable of healing.

Common Vital Pulp Procedures
▪️ Indirect pulp treatment (IPT)
▪️ Direct pulp capping
▪️ Pulpotomy

Clinical Indications
▪️ Reversible pulp inflammation
▪️ Absence of spontaneous pain
▪️ No radiographic signs of periapical or furcal pathology

Advantages
▪️ Preserves pulp vitality and proprioception
▪️ Promotes continued root development
▪️ Minimally invasive and biologically conservative

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Non-Vital Pulp Therapies in Pediatric Dentistry
Non-vital pulp therapy is indicated when the pulp is irreversibly inflamed or necrotic.

Common Non-Vital Procedures
▪️ Pulpectomy in primary teeth
▪️ Root canal treatment in permanent teeth

Clinical Indications
▪️ Irreversible pulpitis
▪️ Pulp necrosis
▪️ Presence of fistula, abscess, or pathological mobility

Advantages
▪️ Eliminates infection
▪️ Maintains arch length
▪️ Prevents premature tooth loss

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Key Differences Between Vital and Non-Vital Pulp Therapies
The fundamental distinction lies in the biological status of the pulp and the therapeutic objective—preservation versus removal.

▪️ Vital therapies aim to maintain pulp health and physiological function
▪️ Non-vital therapies aim to control infection and prevent systemic spread

📊 Comparative Table: Pulp Therapy in Primary vs. Permanent Dentition

Clinical Aspect Primary Dentition Permanent Dentition
Main Therapeutic Goal Maintain tooth until natural exfoliation Preserve tooth for lifelong function
Pulpotomy Indication Commonly indicated in vital pulp exposures Limited to immature permanent teeth
Pulpectomy Considerations Requires resorbable filling materials Uses permanent obturation materials
Root Anatomy Complex, thin, and physiologically resorbing Stable anatomy without resorption
Impact on Success Rate Highly dependent on diagnosis and case selection Higher predictability with standardized protocols
💬 Discussion
Current evidence supports conservative pulp management whenever possible, particularly in primary teeth. Advances in bioactive materials such as MTA and calcium silicate-based cements have improved the success rates of vital pulp therapies. However, delayed diagnosis or inadequate case selection can compromise outcomes, emphasizing the importance of comprehensive clinical and radiographic assessment.

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🎯 Clinical Recommendations
▪️ Prioritize pulp vitality whenever diagnostic criteria allow
▪️ Use rubber dam isolation in all pulp therapy procedures
▪️ Select biocompatible, evidence-based materials
▪️ Schedule periodic clinical and radiographic follow-up

✍️ Conclusion
Vital and non-vital pulp therapies are complementary strategies in pediatric dentistry, each with clearly defined indications. Proper diagnosis, understanding of dentition-specific anatomy, and adherence to evidence-based protocols are essential to ensure long-term clinical success and optimal oral development in pediatric patients.

📚 References

✔ American Academy of Pediatric Dentistry. (2023). Pulp therapy for primary and immature permanent teeth. The Reference Manual of Pediatric Dentistry, 405–414.
✔ Coll, J. A., Seale, N. S., Vargas, K., Marghalani, A. A., Al Shamali, S., & Graham, L. (2017). Primary tooth vital pulp therapy: A systematic review and meta-analysis. Pediatric Dentistry, 39(1), 16–123.
✔ Dhar, V., Marghalani, A. A., Crystal, Y. O., Kumar, A., Ritwik, P., Tulunoglu, O., & Graham, L. (2017). Use of vital pulp therapies in primary teeth. Pediatric Dentistry, 39(5), 146–159.

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Controversial Materials in Pediatric Dentistry: What Remains Safe Today?

Dental Materials

In pediatric dentistry, the selection of restorative and pulpal materials must balance biocompatibility, effectiveness, and safety. Historical materials such as formocresol and dental amalgam have been debated for potential toxicity, while modern alternatives like bioactive cements (e.g., MTA, Biodentine) and adhesive restorative materials are widely accepted.

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This review synthesizes evidence on controversial dental materials and their current clinical safety status in pediatric care, providing evidence-based recommendations for clinicians.

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Introduction
Dentistry for children and adolescents involves unique biological and behavioral considerations, requiring materials that are safe, effective, and minimally invasive. Materials that were historically part of pediatric practice now face scrutiny due to evolving evidence around toxicity, biocompatibility, and environmental impact. Clinicians must understand both contested and recommended materials to optimize pediatric patient outcomes.

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Controversial Dental Materials in Pediatric Practice

Formocresol
Formocresol has been used as a pulpotomy medicament in primary teeth due to its bactericidal and devitalizing properties. However, concerns about formaldehyde, a hazardous compound classified as potentially carcinogenic, have led to reevaluation of its routine use in children. Evidence suggests that under low exposure conditions, formaldehyde metabolism may not pose significant carcinogenic risk, yet modern practice favors biocompatible alternatives.

Dental Amalgam
Dental amalgam, an alloy containing mercury, remains controversial due to its mercury content and perceptions of toxicity. Although organizations such as the ADA and FDA acknowledge amalgam’s longstanding safety record, its use in pediatric patients has declined, with emphasis shifting toward resin-based and glass ionomer materials in many programs due to aesthetic and minimally invasive preferences.

Bisphenol A (BPA) Derivatives
Resin-based composites and sealants may contain BPA derivatives, raising concerns about endocrine-disrupting potential. Available evidence highlights transient BPA release after placement, but the clinical benefits of resin-based materials generally outweigh potential exposure when proper techniques are followed.

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Current Safe and Recommended Materials

Bioactive Cements and Vital Pulp Therapy Agents
Materials such as mineral trioxide aggregate (MTA) and Biodentine have demonstrated favorable outcomes in vital pulp therapy, promoting dentinogenesis and exhibiting high biocompatibility. These materials represent contemporary choices for maintaining pulp vitality in primary dentition.

Glass Ionomer and Resin-Based Restoratives
Glass ionomer cements offer chemical adhesion and fluoride release, aligning with minimally invasive principles, though moisture sensitivity can limit performance. Resin composites provide improved aesthetics and adaptability, yet require optimal isolation for long-term success.

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💬 Discussion
The transition away from controversial materials like formocresol and amalgam reflects a broader trend toward biocompatible and patient-centered care. While historical evidence attests to the effectiveness of certain legacy materials, modern pediatric dentistry prioritizes bioactivity, regenerative potential, and minimization of systemic exposure. Adoption of contemporary materials should be contextualized within evidence-based protocols and comprehensive risk assessment.

🎯 Clinical Recommendations
▪️ Use bioactive cements (MTA/Biodentine) for vital pulp therapy when indicated.
▪️ Prefer glass ionomer or resin-based restoratives in primary dentition, considering isolation quality and caries risk.
▪️ Avoid routine use of formocresol in pulpotomy unless alternatives are unavailable and benefits outweigh theoretical risks.
▪️ Reserve amalgam for limited situations where other materials are contraindicated, recognizing regulatory and educational trends.

✍️ Conclusion
Controversies surrounding materials in pediatric dentistry have prompted shifts toward safer, more biologically favorable options. Clinicians must remain informed by current evidence when selecting materials for restorative and pulpal procedures. While some traditional materials may still be used judiciously, modern bioactive and adhesive materials represent the safest and most effective choices for pediatric patients today.

📚 References

✔ American Academy of Pediatric Dentistry. (2025–2026). Pediatric restorative dentistry: Pediatric restorative dentistry reference manual. AAPD.
✔ Fuks, A. B. (2015). The use of amalgam in pediatric dentistry: New insights and reappraising the tradition. Pediatric Dentistry, 37(2), 125–132.
✔ Milnes, A. R. (2006). Persuasive evidence that formocresol use in pediatric dentistry is safe. Journal of the Canadian Dental Association, 72(3), 247–248.
✔ Peker, O. (2024). Contemporary dental materials used in pediatric dentistry. Dental and Medical Journal, 6(2), 70–85.

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Apicoectomy in Children and Adolescents: When Is It Truly Indicated?

Apicoectomy

Apicoectomy is a well-established endodontic surgical procedure in adult patients; however, its indication in children and adolescents remains controversial due to ongoing root development, anatomical variability, and high regenerative potential.

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Introduction
Endodontic surgery aims to eliminate persistent periapical pathology when conventional root canal treatment fails. While apicoectomy is widely accepted in adults, its use in younger patients must be approached with caution. Immature apices, open root canals, proximity to tooth germs, and superior healing capacity significantly influence decision-making in pediatric cases.

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Biological and Anatomical Considerations in Children and Adolescents
Developing teeth present distinct characteristics:

▪️ Incomplete root formation
▪️ Wide apical foramina
▪️ High vascularization and cellular activity
▪️ Proximity to permanent tooth buds
These factors often favor conservative and regenerative approaches over surgical intervention.

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Indications for Apicoectomy in Pediatric and Adolescent Patients
Apicoectomy should be considered only when less invasive treatments have failed or are contraindicated. Accepted indications include:

▪️ Persistent periapical lesions after adequate nonsurgical retreatment
▪️ Apical pathology associated with fractured instruments inaccessible via orthograde access
▪️ Anatomical obstructions preventing complete canal disinfection
▪️ Symptomatic lesions compromising adjacent structures
Importantly, apicoectomy is not a first-line treatment in immature permanent teeth.

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Differences Between Pediatric and Adult Apicoectomy
Key differences include:

Higher healing potential in younger patients
Greater risk of disrupting root development
Lower tolerance for surgical trauma
Preference for regenerative endodontics in children
Adults typically present with fully developed apices, making surgical outcomes more predictable.

📊 Comparative Table: Apicoectomy in Pediatric vs. Adult Patients

Clinical Factor Pediatric / Adolescent Patients Adult Patients
Root development Often incomplete, open apex Fully developed roots
Healing capacity High regenerative potential Moderate regenerative capacity
Preferred treatment Conservative or regenerative approaches Surgical intervention acceptable
Risk profile Higher risk of affecting tooth development Lower developmental risk
💬 Discussion
Recent literature emphasizes that regenerative endodontic procedures (REPs) and apexification techniques should be prioritized in immature teeth. Surgical intervention may compromise continued root maturation and periodontal attachment. Therefore, apicoectomy must be justified by clear clinical failure of conservative therapy, supported by radiographic and clinical findings.

🎯 Clinical Recommendations
▪️ Exhaust nonsurgical and regenerative options before considering surgery
▪️ Avoid apicoectomy in teeth with active root development unless absolutely necessary
▪️ Use CBCT imaging for accurate diagnosis and surgical planning
▪️ Ensure multidisciplinary evaluation in complex pediatric cases

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✍️ Conclusion
Apicoectomy in children and adolescents should be regarded as a last-resort intervention. The unique biological characteristics of young patients demand a conservative, evidence-based approach. When properly indicated and carefully executed, apicoectomy can be successful; however, its indiscriminate use may compromise long-term dental development. Clinical judgment, supported by current scientific evidence, remains essential.

📚 References

✔ American Association of Endodontists. (2021). AAE clinical considerations for regenerative endodontic procedures. Journal of Endodontics, 47(5), 811–820. https://doi.org/10.1016/j.joen.2021.02.010
✔ Bjørndal, L., Reit, C., Bruun, G., Markvart, M., Kjaeldgaard, M., Näsman, P., & Thordrup, M. (2019). Treatment of deep caries lesions in adults: Randomized clinical trials comparing stepwise vs direct excavation. Journal of Endodontics, 45(9), 1107–1115. https://doi.org/10.1016/j.joen.2019.06.002
✔ European Society of Endodontology. (2016). Position statement on surgical endodontics. International Endodontic Journal, 49(3), 211–221. https://doi.org/10.1111/iej.12564
✔ Torabinejad, M., & White, S. N. (2016). Endodontic surgery: Past, present, and future. Journal of Endodontics, 42(9), 1293–1300. https://doi.org/10.1016/j.joen.2016.06.002

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