Dental Microabrasion in Pediatric Dentistry: Step-by-Step Technique and Clinical Benefits

Dental microabrasion is a conservative esthetic technique widely used in pediatric dentistry for the management of superficial enamel discolorations. Its minimally invasive nature makes it especially suitable for children, as it preserves tooth structure while improving esthetics.

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This article presents an updated clinical overview of dental microabrasion in pediatric patients, detailing the step-by-step technique, indications, benefits, and limitations, based on current scientific literature.

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✅ What Is Dental Microabrasion?
Dental microabrasion is a controlled procedure that combines chemical erosion and mechanical abrasion to remove superficial enamel defects. It is primarily indicated for:

▪️ Mild to moderate dental fluorosis
▪️ Superficial enamel hypoplasia
▪️ Post-orthodontic white spot lesions
▪️ Localized intrinsic discolorations
The technique removes a very thin enamel layer (usually less than 100 μm), maintaining structural integrity.

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✅ Indications in Pediatric Dentistry
Microabrasion is particularly advantageous in children due to:

▪️ Limited enamel involvement in early defects
▪️ High esthetic expectations with minimal intervention
▪️ Reduced need for restorative materials
▪️ Excellent long-term color stability
Proper case selection remains critical for success.

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✅ Step-by-Step Microabrasion Technique

1. Clinical Diagnosis and Case Selection
Confirm that discolorations are superficial and non-cavitated.

2. Isolation
Rubber dam isolation is mandatory to protect soft tissues.

3. Application of Microabrasive Agent
Commercial or prepared pastes containing hydrochloric acid (6–18%) and abrasive particles are applied.

4. Mechanical Action
Gentle pressure with a rubber cup or specialized applicator for short intervals.

5. Rinsing and Evaluation
Thorough rinsing followed by visual assessment; steps may be repeated conservatively.

6. Remineralization
Application of fluoride varnish or calcium-phosphate agents to enhance enamel recovery.

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✅ Clinical Benefits of Microabrasion
The main clinical advantages include:

▪️ Minimally invasive enamel removal
▪️ Immediate esthetic improvement
▪️ High patient acceptance
▪️ Long-term color stability
▪️ Reduced need for restorative treatments
These benefits align with modern principles of minimally invasive dentistry.

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✅ Limitations and Considerations
Despite its advantages, microabrasion has limitations:

▪️ Ineffective for deep intrinsic stains
▪️ Risk of enamel over-reduction if improperly performed
▪️ Requires strict isolation and clinical expertise
In deeper lesions, resin infiltration or restorative approaches may be more appropriate.

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💬 Discussion
Dental microabrasion remains a valuable esthetic tool in pediatric dentistry, especially when combined with remineralization therapies. Recent studies support its safety and effectiveness when applied conservatively and following strict protocols.
Accurate diagnosis and adherence to step-by-step procedures are essential to avoid overtreatment and ensure predictable outcomes.

🎯 Clinical Recommendations
▪️ Perform a thorough clinical and radiographic assessment
▪️ Use microabrasion only for superficial enamel defects
▪️ Limit application time and number of repetitions
▪️ Always follow with remineralization therapy
▪️ ducate parents about realistic esthetic expectations

✍️ Conclusion
Dental microabrasion is a safe, conservative, and effective esthetic technique in pediatric dentistry. When properly indicated and performed, it offers predictable improvement in enamel appearance while preserving tooth structure. Its integration into preventive and minimally invasive care supports long-term oral health and patient satisfaction.

📊 Comparative Table: Clinical Aspects of Dental Microabrasion in Children

Clinical Factor	Clinical Benefits	Clinical Limitations
Mild Fluorosis	High esthetic improvement with minimal enamel loss	Not effective for deep discolorations
Enamel Hypoplasia	Smooths superficial defects and improves texture	Limited effect on structural enamel loss
White Spot Lesions	Immediate cosmetic enhancement	May require adjunct remineralization
Patient Acceptance	Non-invasive and well tolerated by children	Requires cooperation and isolation

📚 References

✔ Croll, T. P. (1997). Enamel microabrasion: Observations after 10 years. Journal of the American Dental Association, 128(1), 45–50. https://doi.org/10.14219/jada.archive.1997.0028
✔ Gugnani, N., Pandit, I. K., Gupta, M., & Gugnani, S. (2017). Esthetic management of fluorosis in children. Journal of Esthetic and Restorative Dentistry, 29(5), 303–312. https://doi.org/10.1111/jerd.12312
✔ Ogaard, B., Rølla, G., & Arends, J. (1988). Orthodontic appliances and enamel demineralization. American Journal of Orthodontics and Dentofacial Orthopedics, 94(1), 68–73. https://doi.org/10.1016/0889-5406(88)90195-4
✔ American Academy of Pediatric Dentistry. (2023). Guideline on restorative dentistry. Pediatric Dentistry, 45(6), 323–331.

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Stained Teeth in Children: Common Causes and Safe Esthetic Treatments

Dental discoloration in children is a frequent concern for parents and clinicians, often affecting both esthetics and psychosocial well-being.

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Pediatric tooth staining may result from developmental enamel defects, systemic conditions, or environmental factors, and requires an accurate diagnosis to ensure safe and effective management.

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This article reviews the most common causes of stained teeth in children, including fluorosis, enamel hypoplasia, and other pathologies, and discusses modern, minimally invasive esthetic treatments, such as remineralization therapies and microabrasion, based on current scientific evidence.

✅ Common Causes of Stained Teeth in Children

1. Dental Fluorosis
Dental fluorosis is a developmental condition caused by excessive fluoride intake during enamel formation. Clinically, it presents as white opacities, yellow-brown stains, or surface porosities, depending on severity.

▪️ Typically symmetrical
▪️ Affects permanent teeth
▪️ Esthetic impact varies from mild to severe

2. Enamel Hypoplasia and Hypomineralization
Enamel hypoplasia results from quantitative defects in enamel formation, while hypomineralization reflects qualitative changes.
Common features include:

▪️ Demarcated white, yellow, or brown defects
▪️ Increased caries susceptibility
▪️ Rough or pitted enamel surfaces
Conditions such as molar-incisor hypomineralization (MIH) fall within this category and are increasingly reported worldwide.

3. Other Pathologies and Extrinsic Factors
Additional causes of discoloration include:

▪️ Early childhood caries (ECC) leading to dark or chalky lesions
▪️ Chromogenic bacteria, associated with black line stains
▪️ Trauma to primary teeth, causing intrinsic discoloration of successors
▪️ Medications, such as tetracyclines (rare but relevant in historical cases)
▪️ Accurate differentiation is essential to avoid overtreatment.

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✅ Modern Esthetic and Conservative Treatment Options

1. Remineralization Therapies
Contemporary pediatric dentistry prioritizes non-invasive remineralization strategies, especially for early enamel defects.

These include:
▪️ Fluoride varnishes
▪️ Casein phosphopeptide–amorphous calcium phosphate (CPP-ACP)
▪️ Calcium phosphate-based agents
▪️ Silver diamine fluoride (selected cases)
These approaches are safe, effective, and suitable for young patients.

2. Enamel Microabrasion
Microabrasion is indicated for superficial intrinsic stains, particularly mild fluorosis.
Advantages include:

▪️ Conservative enamel removal
▪️ Immediate esthetic improvement
▪️ Long-term stability when correctly indicated
It is often combined with remineralization to enhance outcomes.

3. Resin Infiltration and Restorative Options
For deeper lesions, resin infiltration or minimally invasive restorations may be considered, always balancing esthetics with tooth preservation.

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💬 Discussion
The management of stained teeth in children requires a precise differential diagnosis, as treatment effectiveness depends on the underlying etiology. Advances in preventive and minimally invasive dentistry allow clinicians to address esthetic concerns while preserving tooth structure and ensuring safety.
Misdiagnosis may lead to inappropriate interventions, highlighting the importance of clinical expertise and evidence-based decision-making.

🎯 Clinical Recommendations
▪️ Perform thorough clinical and radiographic assessment
▪️ Identify whether stains are developmental, acquired, intrinsic, or extrinsic
▪️ Prioritize remineralization and minimally invasive techniques
▪️ Educate parents regarding etiology and realistic outcomes
▪️ Avoid aggressive esthetic treatments in young patients

✍️ Conclusion
Stained teeth in children are multifactorial and require individualized management. Conditions such as fluorosis and enamel hypoplasia can be effectively managed using safe, conservative, and modern esthetic approaches, including remineralization and microabrasion. Early diagnosis and appropriate treatment planning are essential to achieve optimal functional and esthetic outcomes.

📊 Comparative Table: Differential Diagnosis of Pediatric Tooth Staining

Condition	Key Clinical Features	Diagnostic Limitations
Dental Fluorosis	Symmetrical white or brown opacities	Severity may be underestimated clinically
Enamel Hypoplasia	Localized pits, grooves, or missing enamel	May resemble post-eruptive breakdown
MIH	Demarcated opacities on molars and incisors	Variable severity complicates diagnosis
Extrinsic Staining	Black or brown surface stains	Easily confused with early caries

📚 References

✔ American Academy of Pediatric Dentistry. (2023). Guideline on management of dental patients with enamel defects. Pediatric Dentistry, 45(6), 315–322.
✔ Fejerskov, O., Nyvad, B., & Kidd, E. (2015). Dental caries: The disease and its clinical management (3rd ed.). Wiley Blackwell.
✔ Gugnani, N., Pandit, I. K., Gupta, M., & Gugnani, S. (2017). Esthetic management of fluorosis in children. Journal of Esthetic and Restorative Dentistry, 29(5), 303–312. https://doi.org/10.1111/jerd.12312
✔ Weerheijm, K. L. (2018). Molar-incisor hypomineralisation (MIH). European Archives of Paediatric Dentistry, 19(4), 225–232. https://doi.org/10.1007/s40368-018-0354-9

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Zinc Oxide Eugenol in Dentistry: Is It Still Used in Modern Clinical Practice?

Zinc oxide eugenol (ZOE) has been a cornerstone material in dentistry for over a century due to its sedative properties, ease of manipulation, and low cost.

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However, advances in dental materials science and adhesive dentistry have raised an important question: Is zinc oxide eugenol still relevant in contemporary dental practice?

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This article critically reviews the composition, clinical applications, disadvantages, and current alternatives to ZOE, providing an evidence-based perspective on its role in modern dentistry.

✅ Composition of Zinc Oxide Eugenol
ZOE is formed through an acid–base reaction between zinc oxide powder and eugenol liquid.

▪️ Powder: Zinc oxide (ZnO), often with additives such as zinc acetate to accelerate setting
▪️ Liquid: Eugenol (a phenolic compound derived from clove oil)
The setting reaction produces zinc eugenolate, which is responsible for the material’s physical properties and biological effects.

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✅ Clinical Uses of Zinc Oxide Eugenol
Despite reduced popularity, ZOE continues to be used in selected clinical situations:

▪️ Temporary restorative material
▪️ Temporary luting cement
▪️ Base or liner under non-resin restorations
▪️ Root canal sealer (traditional formulations)
▪️ Periodontal surgical dressings
▪️ Intermediate restorative material (IRM derivatives)
Its sedative effect on the dental pulp has historically made it attractive in deep cavities and emergency treatments.

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✅ Disadvantages and Limitations of ZOE
Although biologically soothing, ZOE presents significant drawbacks that limit its use in modern dentistry:

▪️ Interference with resin polymerization, making it incompatible with adhesive restorations
▪️ Low mechanical strength, unsuitable for long-term restorations
▪️ High solubility in oral fluids, leading to marginal leakage
▪️ Potential cytotoxicity of eugenol at high concentrations
▪️ Limited adhesion to tooth structure
These limitations have driven the development and adoption of alternative materials.

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✅ Materials That Have Replaced Zinc Oxide Eugenol
Modern dentistry increasingly favors materials with improved biocompatibility, adhesion, and mechanical performance, including:

▪️ Calcium hydroxide–based liners
▪️ Glass ionomer cements (GIC)
▪️ Resin-modified glass ionomers (RMGIC)
▪️ Calcium silicate–based materials (e.g., MTA, Biodentine)
▪️ Resin-based temporary and permanent materials
These materials offer superior sealing ability, compatibility with adhesive systems, and enhanced longevity.

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💬 Discussion
ZOE remains a material of historical and limited clinical relevance rather than a first-line option. While it still has niche applications—particularly in temporary procedures or specific endodontic uses—its incompatibility with resin-based materials significantly restricts its role in modern restorative dentistry.
Current trends emphasize bioactive, adhesive, and mechanically stable materials, which better align with minimally invasive and long-term treatment philosophies.

🎯 Clinical Recommendations
▪️ Avoid ZOE under resin-based restorations
▪️ Consider modern bioactive materials for pulp protection
▪️ Use ZOE only for short-term or specific indications
▪️ Evaluate patient needs, restoration type, and material compatibility
▪️ Stay updated with evidence-based material selection guidelines

✍️ Conclusion
Zinc oxide eugenol is still used in dentistry, but its role is increasingly limited. While it offers sedative and antimicrobial benefits, its mechanical weakness and incompatibility with adhesive systems have led to its replacement by more advanced materials. Contemporary dental practice favors alternatives that provide superior durability, biocompatibility, and clinical performance.

📊 Comparative Table: Zinc Oxide Eugenol and Its Modern Alternatives

Material Type	Clinical Indications	Main Limitations
Zinc Oxide Eugenol	Temporary restorations, sedative base	Inhibits resin polymerization, low strength
Glass Ionomer Cement	Base, liner, temporary and permanent restorations	Lower fracture resistance than composites
Resin-Modified GIC	Adhesive base and liner	Moisture sensitivity during placement
Calcium Silicate Materials	Pulp capping and dentin regeneration	Higher cost and longer setting time

📚 References

✔ Anusavice, K. J., Shen, C., & Rawls, H. R. (2013). Phillips’ science of dental materials (12th ed.). Elsevier.
✔ American Dental Association. (2022). Dental materials guidance and compatibility considerations. Journal of the American Dental Association, 153(4), 345–352. https://doi.org/10.1016/j.adaj.2021.11.012
✔ Hargreaves, K. M., & Berman, L. H. (2020). Cohen’s pathways of the pulp (12th ed.). Elsevier.
✔ Sidhu, S. K., & Nicholson, J. W. (2016). A review of glass-ionomer cements for clinical dentistry. Journal of Functional Biomaterials, 7(3), 16. https://doi.org/10.3390/jfb7030016

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Biological Therapies in Pediatric Dentistry: The Future of Caries and Gingival Treatment in Children

Pediatric dentistry is undergoing a paradigm shift toward biologically driven therapies that aim to preserve natural tissues, modulate the oral microbiome, and enhance host responses rather than relying solely on mechanical or restorative interventions. These approaches align with modern concepts of minimally invasive dentistry, emphasizing prevention, regeneration, and long-term oral health in children.

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✅ Definition of Biological Therapies in Pediatric Dentistry
Biological therapies in pediatric dentistry refer to treatment strategies that leverage natural biological processes—such as remineralization, microbial modulation, immune regulation, and tissue regeneration—to prevent or manage oral diseases in children.
These therapies seek to control disease progression rather than simply remove diseased tissue, offering a child-centered and conservative approach.

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✅ Biological Approaches for Caries Management

Caries as a Biofilm-Mediated Disease
Dental caries is currently understood as a dysbiosis-driven process, characterized by an imbalance in the oral microbiome rather than a purely infectious condition. This understanding supports therapies that restore microbial balance and enhance enamel resistance.

Key Biological Strategies
▪️ Topical fluorides and silver diamine fluoride (SDF) to arrest caries and enhance remineralization
▪️ Calcium-phosphate-based agents (CPP-ACP, bioactive glass) to promote enamel repair
▪️ Probiotics and prebiotics to modulate cariogenic biofilms
▪️ pH modulation therapies to reduce acidogenic challenges
These interventions have demonstrated effectiveness in reducing caries progression, particularly in high-risk pediatric populations.

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💬 Discussion
The integration of biological therapies represents a fundamental change in pediatric dental care. Instead of emphasizing operative treatment, clinicians can prioritize risk-based prevention, disease control, and tissue preservation. However, variability in clinical protocols, limited long-term pediatric data, and cost considerations remain challenges for widespread adoption.
Nevertheless, current evidence supports the use of biological therapies as adjuncts or alternatives to conventional methods, particularly in young or anxious children.

🎯 Clinical Recommendations
Incorporate biological therapies as part of individualized caries risk management
Use non-invasive and child-friendly treatments whenever possible
Combine biological approaches with behavioral guidance and oral hygiene education
Stay updated with evidence-based protocols and emerging research
Educate parents about the preventive and regenerative goals of these therapies

✍️ Conclusion
Biological therapies represent the future of pediatric dentistry, offering effective, minimally invasive solutions for managing caries and gingival conditions in children. By focusing on disease modulation and tissue preservation, these approaches support sustainable oral health outcomes and improved patient experiences.

📊 Comparative Table: Preventive Caries Measures in the Dental Office

Preventive Strategy	Biological Benefit	Clinical Considerations
Topical fluoride application	Enhances enamel remineralization and acid resistance	Requires periodic professional application
Silver diamine fluoride (SDF)	Arrests active caries and reduces bacterial activity	May cause tooth discoloration
Calcium-phosphate agents	Promote enamel repair and mineral balance	Effectiveness depends on patient compliance
Probiotic therapy	Modulates oral microbiome toward health-associated species	Limited long-term pediatric evidence

📚 References

✔ American Academy of Pediatric Dentistry. (2023). Guideline on caries-risk assessment and management for infants, children, and adolescents. Pediatric Dentistry, 45(6), 289–301.
✔ Frencken, J. E., Innes, N. P. T., & Schwendicke, F. (2019). Managing carious lesions: Consensus recommendations on minimally invasive dentistry. Journal of Dental Research, 98(3), 249–256. https://doi.org/10.1177/0022034518820434
✔ Gao, S. S., Zhang, S., Mei, M. L., Lo, E. C. M., & Chu, C. H. (2016). Caries remineralisation and arresting effect in children by professionally applied fluoride treatment: A systematic review. BMC Oral Health, 16, 12. https://doi.org/10.1186/s12903-016-0171-6
✔ Marsh, P. D., Zaura, E. (2017). Dental biofilm: Ecological interactions in health and disease. Journal of Clinical Periodontology, 44(Suppl 18), S12–S22. https://doi.org/10.1111/jcpe.12679

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Antibiotic Prophylaxis in Pediatric Dentistry: When Do Current Guidelines Recommend Its Use?

The use of antibiotics before dental procedures in children has been a topic of significant clinical debate. Current international guidelines emphasize judicious antibiotic use, reserving prophylaxis for specific high-risk conditions to prevent severe systemic complications rather than routine dental infections.

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Misuse contributes to antimicrobial resistance, adverse drug reactions, and unnecessary healthcare costs.

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This article reviews when current clinical guidelines recommend antibiotics before pediatric dental procedures, focusing on evidence-based indications, contraindications, and practical decision-making.

✅ Definition of Antibiotic Prophylaxis in Pediatric Dentistry
Antibiotic prophylaxis refers to the administration of systemic antibiotics prior to dental procedures to prevent hematogenous spread of oral microorganisms that may lead to serious infections in susceptible pediatric patients.
Importantly, antibiotic prophylaxis is not intended to prevent local oral infections but to reduce the risk of distant systemic complications.

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✅ Current Guideline-Based Indications
According to updated recommendations from the American Heart Association (AHA), American Academy of Pediatric Dentistry (AAPD), and European Society of Cardiology (ESC), antibiotic prophylaxis is indicated only for children with specific underlying medical conditions.

Cardiac Conditions Requiring Prophylaxis
Antibiotics are recommended for dental procedures involving manipulation of gingival tissue or the periapical region in children with:

▪️ Prosthetic cardiac valves or prosthetic material used for valve repair
▪️ Previous history of infective endocarditis
▪️ Certain congenital heart diseases, including:
- Unrepaired cyanotic congenital heart disease
- Repaired congenital heart disease with residual defects
▪️ Cardiac transplant recipients with valvulopathy

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✅ Dental Procedures Associated with Bacteremia Risk
Prophylaxis is considered only when procedures involve:

▪️ Tooth extractions
▪️ Periodontal surgery or scaling
▪️ Implant placement
▪️ Endodontic treatment beyond the apex
Procedures such as local anesthesia injections, radiographs, orthodontic adjustments, and placement of restorations do not require antibiotic prophylaxis.

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✅ Situations Where Antibiotics Are Not Recommended
Current guidelines strongly advise against routine antibiotic use in:

▪️ Healthy pediatric patients
▪️ Primary tooth exfoliation
▪️ Simple restorative procedures
▪️ Pulp therapy in the absence of systemic infection
Overprescription in these situations provides no clinical benefit and increases public health risks.

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💬 Discussion
The paradigm shift toward restrictive antibiotic use reflects growing evidence that daily activities such as toothbrushing cause bacteremia comparable to dental procedures. Consequently, maintaining good oral hygiene is more protective than indiscriminate antibiotic administration. Pediatric dentists play a crucial role in balancing infection prevention with antimicrobial stewardship.

🎯 Clinical Recommendations
▪️ Evaluate medical history thoroughly before prescribing antibiotics
▪️ Follow current AHA and AAPD guidelines strictly
▪️ Avoid prophylaxis in healthy children
▪️ Educate parents regarding the limited indications for antibiotic use
▪️ Prioritize preventive oral health strategies

✍️ Conclusion
Current guidelines recommend antibiotic prophylaxis before pediatric dental procedures only for a small subset of high-risk patients. Routine use in healthy children is unsupported by evidence and poses unnecessary risks. Adherence to updated recommendations ensures patient safety while supporting global efforts against antimicrobial resistance.

📊 Comparative Table: Antibiotic Prophylaxis Before Pediatric Dental Procedures

Clinical Scenario	Prophylaxis Indicated	Rationale
Congenital heart disease (high-risk)	Yes	Prevention of infective endocarditis
Healthy child undergoing extraction	No	No evidence of systemic benefit
History of infective endocarditis	Yes	High risk of recurrence
Restorative dental treatment	No	Minimal bacteremia risk

📚 References

✔ American Academy of Pediatric Dentistry. (2023). Guideline on antibiotic prophylaxis for dental patients at risk for infection. Pediatric Dentistry, 45(6), 383–387.
✔ American Heart Association. (2021). Prevention of viridans group streptococcal infective endocarditis: A scientific statement. Circulation, 143(20), e963–e978. https://doi.org/10.1161/CIR.0000000000000969
✔ European Society of Cardiology. (2023). ESC guidelines for the prevention, diagnosis, and management of infective endocarditis. European Heart Journal, 44(39), 3948–4044. https://doi.org/10.1093/eurheartj/ehad193
✔ Lockhart, P. B., Tampi, M. P., Abt, E., et al. (2019). Evidence-based clinical practice guideline on antibiotic use for the urgent management of pulpal- and periapical-related dental pain and intraoral swelling. Journal of the American Dental Association, 150(11), 906–921. https://doi.org/10.1016/j.adaj.2019.08.020

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