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ÚLTIMAS NOTICIAS

miércoles, 29 de abril de 2026

Enamel Defects Classification: A Comprehensive Guide

Enamel Defects

Enamel defects represent a heterogeneous group of developmental disturbances affecting dental tissues. A precise and structured classification is essential for accurate diagnosis, epidemiological studies, and clinical decision-making.

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This article presents a comprehensive classification of enamel defects based on etiology, distribution, and structural characteristics, integrating hereditary, systemic, localized, and environmental factors. This framework facilitates a standardized understanding of enamel alterations in both primary and permanent dentition.

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Introduction
Developmental disturbances of enamel, collectively referred to as enamel defects, arise from disruptions during amelogenesis. These alterations may vary in severity, distribution, and underlying cause, making their classification fundamental in both clinical and research settings. A well-defined classification system allows clinicians to differentiate between hereditary, systemic, and local conditions, while also supporting early identification and risk assessment. This article focuses exclusively on the comprehensive classification of enamel defects, establishing a foundation for further discussion on their clinical management.

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Types of Enamel Defects: A Comprehensive Classification
A structured classification of enamel defects enhances diagnostic accuracy and supports evidence-based treatment planning. These defects can be categorized according to their etiology, distribution, and qualitative or quantitative nature.

1. Hereditary Defects
Amelogenesis Imperfecta (AI)
A group of genetic disorders affecting enamel formation in both primary and permanent dentition.

▪️ Types: hypoplastic, hypomatured, hypocalcified
▪️ Clinical features: thin or absent enamel, rough surface, discoloration (yellow-brown), rapid wear
▪️ Distribution: generalized (affects all teeth)
▪️ Clinical relevance: often requires multidisciplinary management, including restorative and prosthetic rehabilitation

2. Systemic Defects
Chronological Hypoplasia
A quantitative enamel defect associated with systemic disturbances during amelogenesis.

▪️ Clinical features: horizontal lines, grooves, or bands across multiple teeth
▪️ Etiology: systemic illnesses, malnutrition, metabolic disturbances
▪️ Distribution: symmetrical, time-related pattern
▪️ Clinical relevance: may serve as a biological record of past systemic events

Dental Fluorosis
A qualitative defect caused by excessive fluoride intake during enamel formation.

▪️ Clinical features: diffuse opacities, white streaks, brown discoloration in severe cases
▪️ Distribution: bilateral and symmetrical
▪️ Affected dentition: more evident in permanent teeth
▪️ Clinical relevance: important for public health and preventive strategies

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3. Localized Defects
Turner’s Tooth
A localized enamel defect affecting a single permanent tooth.

▪️ Etiology: trauma or periapical infection of the overlying primary tooth
▪️ Clinical features: demarcated opacity or hypoplasia
▪️ Distribution: isolated tooth
▪️ Clinical relevance: requires targeted restorative management

4. Qualitative Defects
Enamel Hypomineralization
A defect in enamel mineralization with normal thickness but reduced hardness.

▪️ Example: Molar-Incisor Hypomineralization (MIH)
▪️ Clinical features: demarcated opacities (white, yellow, brown), sensitivity
▪️ Complication: increased risk of post-eruptive enamel breakdown (PEB)
▪️ Affected dentition: primarily permanent

Enamel Opacities
Subclassified based on lesion borders:

▪️ Demarcated opacities: well-defined margins (e.g., MIH)
▪️ Diffuse opacities: poorly defined margins (e.g., fluorosis)
▪️ Clinical relevance: essential for differential diagnosis

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5. Quantitative Defects
Enamel Hypoplasia
A defect characterized by reduced enamel thickness.

▪️ Clinical features: pits, grooves, or complete absence of enamel in localized areas
▪️ Etiology: systemic or local disturbances
▪️ Affected dentition: both primary and permanent
▪️ Clinical relevance: associated with higher caries susceptibility

6. Post-eruptive Conditions
Post-eruptive Enamel Breakdown (PEB)
A structural failure of enamel after tooth eruption.

▪️ Associated with: hypomineralized enamel (especially MIH)
▪️ Clinical features: enamel fractures under masticatory forces
▪️ Consequences: rapid caries progression, hypersensitivity
▪️ Clinical relevance: necessitates early intervention and protective restorations

7. Environmental Enamel Defects
Defects caused by external environmental factors during enamel development.

▪️ Etiology: exposure to toxins, medications (e.g., tetracyclines), systemic diseases
▪️ Clinical features: variable (hypoplasia or hypomineralization patterns)
▪️ Distribution: may be generalized or localized
▪️ Clinical relevance: requires thorough medical history for diagnosis

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Key Clinical Insight
A comprehensive classification of enamel defects allows clinicians to differentiate between hereditary, systemic, and local etiologies, facilitating accurate diagnosis, risk assessment, and individualized treatment planning.

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💬 Discussion
The classification of enamel defects has evolved to incorporate not only morphological presentation but also etiological factors and developmental timing. Distinguishing between quantitative defects (hypoplasia) and qualitative defects (hypomineralization and opacities) remains fundamental; however, modern approaches emphasize the importance of integrating systemic influences, genetic conditions, and localized disturbances.
A comprehensive framework that includes entities such as amelogenesis imperfecta, fluorosis, molar-incisor hypomineralization, and Turner’s tooth enables a more refined diagnostic approach. Additionally, recognizing patterns such as symmetry, distribution, and chronological presentation contributes to identifying underlying causes. This classification model enhances both clinical consistency and academic standardization, which are critical for research comparability and evidence-based practice.

✍️ Conclusion
A structured and comprehensive classification of enamel defects is essential for establishing a common diagnostic language in dentistry. By organizing defects according to etiology, distribution, and structural characteristics, clinicians and researchers can achieve a more systematic understanding of these conditions. This classification serves as a conceptual foundation for subsequent clinical evaluation and management strategies.

🎯 Recommendations
▪️ Utilize a standardized classification system when documenting enamel defects
▪️ Consider etiological and morphological criteria simultaneously for accurate categorization
▪️ Incorporate classification frameworks in clinical records and academic research
▪️ Promote early identification through routine dental examinations
▪️ Develop complementary protocols focusing on diagnosis and treatment in subsequent analyses

📚 References

✔ Fejerskov, O., Nyvad, B., & Kidd, E. (2015). Dental caries: The disease and its clinical management (3rd ed.). Wiley-Blackwell.
✔ Seow, W. K. (2014). Developmental defects of enamel and dentine: Challenges for basic science research and clinical management. Australian Dental Journal, 59(S1), 143–154. https://doi.org/10.1111/adj.12104
✔ Lygidakis, N. A., Wong, F., Jälevik, B., Vierrou, A. M., Alaluusua, S., & Espelid, I. (2010). Best clinical practice guidance for clinicians dealing with children presenting with molar-incisor hypomineralisation (MIH). European Archives of Paediatric Dentistry, 11(2), 75–81. https://doi.org/10.1007/BF03262716
✔ World Health Organization. (2013). Oral health surveys: Basic methods (5th ed.). WHO Press.
✔ Dean, H. T. (1934). Classification of mottled enamel diagnosis. Journal of the American Dental Association, 21(8), 1421–1426. https://doi.org/10.14219/jada.archive.1934.0225

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Ibuprofen Use in Dentistry: Safe Dosing Guide

Ibuprofen - Pharmacology

Ibuprofen use in dentistry is widely accepted for managing post-operative pain and inflammation. As a nonsteroidal anti-inflammatory drug (NSAID), it provides effective analgesia with a favorable safety profile when used appropriately.

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This article reviews evidence-based dosing regimens, indications, contraindications, and clinical considerations for both adults and pediatric patients.

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Introduction
Pain control is a fundamental component of dental care. Among available pharmacological options, ibuprofen remains the first-line analgesic due to its anti-inflammatory properties and superior efficacy compared to many alternatives. Proper dosing and patient selection are essential to maximize therapeutic benefits and minimize adverse effects.

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Pharmacological Mechanism of Action
Ibuprofen exerts its effect by inhibiting cyclooxygenase enzymes (COX-1 and COX-2), leading to reduced prostaglandin synthesis. This results in:

▪️ Decreased inflammation
▪️ Reduced pain perception
▪️ Lowered tissue edema

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Clinical Indications in Dentistry
▪️ Post-operative pain (e.g., extractions, implants)
▪️ Acute dental pain (pulpitis, periapical inflammation)
▪️ Periodontal therapy-associated discomfort
▪️ Orthodontic pain (short-term use)

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Dosage Protocols

Adults
▪️ Mild to moderate pain: 200–400 mg every 6–8 hours
▪️ Moderate to severe pain: 400–600 mg every 6–8 hours
▪️ Maximum daily dose (prescription): 2400 mg/day

Pediatric Patients
▪️ Dose: 4–10 mg/kg per dose every 6–8 hours
▪️ Maximum single dose: 400 mg
▪️ Maximum daily dose: 40 mg/kg/day

Clinical note: Weight-based dosing is mandatory in pediatric patients to avoid toxicity.

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Contraindications
Ibuprofen should be avoided or used with caution in patients with:

▪️ Hypersensitivity to NSAIDs
▪️ Peptic ulcer disease or gastrointestinal bleeding
▪️ Severe renal impairment
▪️ Uncontrolled hypertension
▪️ Third trimester of pregnancy
▪️ History of NSAID-induced asthma

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Adverse Effects
▪️ Gastrointestinal irritation (most common)
▪️ Nausea and dyspepsia
▪️ Renal function impairment (in susceptible patients)
▪️ Increased cardiovascular risk (long-term use)

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Drug Interactions
▪️ Anticoagulants (increased bleeding risk)
▪️ Corticosteroids (increased GI toxicity)
▪️ Antihypertensives (reduced efficacy)
▪️ Other NSAIDs (additive toxicity)

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💬 Discussion
Current evidence supports ibuprofen as a cornerstone in dental pain management, particularly when used in combination with acetaminophen. Studies demonstrate that this combination provides superior analgesia compared to opioid-containing regimens, reducing the need for narcotics.
However, inappropriate use, especially prolonged administration or excessive dosing, may increase the risk of adverse effects. Therefore, short-term, evidence-based protocols are recommended in routine dental practice.

🎯 Clinical Recommendations
▪️ Use ibuprofen as first-line therapy for dental pain
▪️ Combine with acetaminophen for enhanced analgesic effect
▪️ Prescribe the lowest effective dose for the shortest duration
▪️ Assess patient medical history before prescribing
▪️ Avoid routine use in high-risk patients without medical consultation

✍️ Conclusion
Ibuprofen is a safe and effective analgesic in dentistry when prescribed according to evidence-based guidelines. Its role in multimodal pain management is well established, offering predictable outcomes with minimal risk when used responsibly. Clinicians must ensure appropriate dosing and patient selection to optimize therapeutic success.

📚 References

✔ Bailey, E., Worthington, H. V., Coulthard, P., & Afzal, Z. (2014). Ibuprofen and/or paracetamol for pain relief after surgical removal of lower wisdom teeth. Cochrane Database of Systematic Reviews, (12), CD004624. https://doi.org/10.1002/14651858.CD004624.pub2
✔ Moore, P. A., Hersh, E. V., & Papas, A. S. (2013). Combining ibuprofen and acetaminophen for acute pain management after third molar extractions. Journal of the American Dental Association, 144(8), 898–908. https://doi.org/10.14219/jada.archive.2013.0207
✔ Hersh, E. V., Moore, P. A., & Ross, G. L. (2000). Over-the-counter analgesics and antipyretics: A critical assessment. Clinical Therapeutics, 22(5), 500–548. https://doi.org/10.1016/S0149-2918(00)80043-0
✔ Scottish Dental Clinical Effectiveness Programme (SDCEP). (2022). Drug prescribing for dentistry (3rd ed.). Dundee: SDCEP.
✔ Becker, D. E. (2010). Pain management: Part 1: Managing acute and postoperative dental pain. Anesthesia Progress, 57(2), 67–78. https://doi.org/10.2344/0003-3006-57.2.67

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Lidocaine and Articaine Synergy: More Effective?

Dental Anesthesia

The potential synergy between Lidocaine and Articaine has been increasingly investigated to enhance anesthetic success in challenging dental scenarios. This article critically evaluates the pharmacological rationale, clinical effectiveness, and safety considerations of combining both agents.

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Introduction
Achieving profound local anesthesia remains a clinical challenge, especially in inflamed pulpal tissues. While lidocaine has long been considered the gold standard, articaine offers superior diffusion properties due to its thiophene ring structure. The concept of anesthetic synergy—defined as the enhanced effect resulting from combining agents with complementary mechanisms—has gained relevance in modern dentistry.
This article explores whether combining lidocaine and articaine provides superior clinical outcomes compared to single-agent use.

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Mechanisms of Action and Synergy
Both lidocaine and articaine act by blocking voltage-gated sodium channels, preventing nerve depolarization.

However, their pharmacokinetic differences may explain potential synergy:
▪️ Lidocaine: Reliable nerve block efficacy, moderate lipid solubility
▪️ Articaine: High lipid solubility, enhanced bone penetration

Synergistic rationale:
▪️ Lidocaine provides stable nerve blockade
▪️ Articaine enhances diffusion through cortical bone ▪️
Combined use may increase success rates in mandibular anesthesia

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Clinical Applications

1. Irreversible Pulpitis
Patients with Irreversible Pulpitis often exhibit reduced anesthetic success due to inflammation-induced changes in tissue pH and nociceptor sensitization.
▪️ Inferior alveolar nerve block (IANB) with lidocaine alone shows failure rates up to 30–50%
▪️ Supplemental articaine infiltration significantly improves outcomes

2. Mandibular Anesthesia Failure
Combining:
▪️ Lidocaine IANB
▪️ Articaine buccal infiltration
has demonstrated higher anesthetic success rates than either technique alone.

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💬 Discussion
Current evidence supports the selective use of lidocaine-articaine combinations, particularly in difficult anesthetic cases. Randomized clinical trials indicate that articaine infiltration following lidocaine block enhances pulpal anesthesia, likely due to improved diffusion.

However, the concept of true pharmacodynamic synergy remains debated. Most benefits appear to arise from complementary pharmacokinetics rather than receptor-level interaction.

Additionally, clinicians must consider:
▪️ Total anesthetic dose
▪️ Risk of systemic toxicity
▪️ Patient-specific contraindications

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Safety and Limitations
Although both agents are considered safe when used appropriately, concerns include:

▪️ Risk of Local Anesthetic Systemic Toxicity with cumulative dosing
▪️ Reports of paresthesia associated with articaine (controversial but documented)
▪️ Lack of standardized protocols for combined use

📊 Summary Table: Lidocaine vs Articaine Characteristics

Parameter Lidocaine Articaine
Chemical structure Amide-type anesthetic Amide with ester group (thiophene ring)
Onset of action Moderate Rapid
Diffusion capacity Moderate High (better bone penetration)
Duration of anesthesia Intermediate Intermediate to long
Metabolism Hepatic Plasma and hepatic
Clinical reliability High for nerve blocks High for infiltrations
Limitations Lower efficacy in inflamed tissues Potential paresthesia risk (controversial)
✍️ Conclusion
The combination of lidocaine and articaine can enhance anesthetic success, particularly in challenging clinical scenarios such as irreversible pulpitis and mandibular anesthesia failure. While not a true pharmacodynamic synergy, their complementary properties provide a clinically relevant advantage. Further standardized protocols and high-quality trials are required.

🎯 Clinical Recommendations
▪️ Use lidocaine for primary nerve block anesthesia
▪️ Consider articaine as a supplemental infiltration in failed cases
▪️ Monitor total anesthetic dose to prevent toxicity
▪️ Apply cautiously in pediatric and medically compromised patients

📚 References

✔ Kanaa, M. D., Whitworth, J. M., Corbett, I. P., & Meechan, J. G. (2006). Articaine and lidocaine mandibular buccal infiltration anesthesia: A prospective randomized double-blind crossover study. Journal of Endodontics, 32(4), 296–298. https://doi.org/10.1016/j.joen.2005.09.006
✔ Matthews, R., Drum, M., Reader, A., Nusstein, J., & Beck, M. (2009). Articaine for supplemental buccal mandibular infiltration anesthesia in patients with irreversible pulpitis when the inferior alveolar nerve block fails. Journal of Endodontics, 35(3), 343–346. https://doi.org/10.1016/j.joen.2008.12.007
✔ Malamed, S. F. (2020). Handbook of Local Anesthesia (7th ed.). Elsevier.
✔ Brandt, R. G., Anderson, P. F., McDonald, N. J., Sohn, W., & Peters, M. C. (2011). The pulpal anesthetic efficacy of articaine versus lidocaine in dentistry: A meta-analysis. Journal of the American Dental Association, 142(5), 493–504. https://doi.org/10.14219/jada.archive.2011.0223
✔ Moore, P. A., & Hersh, E. V. (2010). Local anesthetics: Pharmacology and toxicity. Dental Clinics of North America, 54(4), 587–599. https://doi.org/10.1016/j.cden.2010.06.015

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martes, 28 de abril de 2026

Anesthetic Synergy in Dentistry: Practical Guide

Dental Anesthesia

Anesthetic synergy in dentistry refers to the combined use of local anesthetics and adjunctive agents to enhance analgesic efficacy, prolong duration, and reduce toxicity. This concept is increasingly relevant in modern dental practice, particularly in pediatric and surgical settings.

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Definition
Anesthetic synergy in dentistry is defined as the pharmacodynamic interaction between two or more agents that results in a greater anesthetic effect than the sum of their individual effects. This may involve local anesthetics, vasoconstrictors, buffering agents, and systemic adjuncts, each contributing to enhanced clinical efficacy.

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Mechanisms of Synergy

1. Pharmacodynamic Synergy
▪️ Interaction at different molecular targets (e.g., sodium channel blockade + vasoconstriction)
▪️ Enhanced nerve conduction blockade

2. Pharmacokinetic Synergy
▪️ Vasoconstrictors (e.g., epinephrine) reduce systemic absorption
▪️ Increased duration and depth of anesthesia

3. Tissue Environment Modulation
▪️ Buffering agents (e.g., sodium bicarbonate) increase pH
▪️ Improved onset time in acidic, inflamed tissues

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Common Synergistic Combinations

1. Local Anesthetic + Vasoconstrictor
▪️ Example: Lidocaine 2% with epinephrine 1:100,000
▪️ Additional examples:
- Articaine 4% with epinephrine 1:100,000
- Mepivacaine 2% with levonordefrin 1:20,000
▪️ Benefits:
- Prolonged duration of anesthesia
- Reduced intraoperative bleeding
- Decreased systemic absorption and toxicity

2. Buffered Local Anesthetics
▪️ Example: Lidocaine 2% with epinephrine buffered with sodium bicarbonate (8.4%) in a 10:1 ratio
▪️ Additional examples:
- Articaine with epinephrine buffered chairside
▪️ Benefits:
- Faster onset of action
- Reduced pain during injection
- Improved efficacy in acidic/inflamed tissues

3. Combination of Local Anesthetics
▪️ Example: Lidocaine 2% (rapid onset) followed by bupivacaine 0.5% (long duration)
▪️ Additional examples:
- Articaine infiltration combined with bupivacaine nerve block
▪️ Benefits:
- Immediate anesthesia with prolonged postoperative analgesia
- Improved patient comfort after surgical procedures

4. Local Anesthetic + Systemic Adjuncts
▪️ Example: Ibuprofen (400–600 mg) administered preoperatively with local anesthesia
▪️ Additional examples:
- Acetaminophen combined with local anesthetic for multimodal analgesia
- Benzodiazepines (e.g., diazepam) for anxiolysis in selected patients
▪️ Benefits:
- Enhanced pain control through multimodal mechanisms
- Reduced intraoperative discomfort
- Lower anesthetic failure rates in inflammatory conditions

Synergistic Anesthetic Combinations

Combination Example Clinical Benefit
Local Anesthetic + Vasoconstrictor Lidocaine 2% + Epinephrine 1:100,000 Prolonged anesthesia and reduced bleeding
Buffered Anesthetic Lidocaine + Sodium Bicarbonate (10:1) Faster onset and less injection pain
Dual Anesthetic Technique Lidocaine (initial) + Bupivacaine (long-acting) Immediate effect with prolonged postoperative analgesia
Local + Systemic Analgesic Ibuprofen + Local Anesthetic Improved perioperative pain control

Clinical Tip: Always tailor combinations based on patient age, systemic condition, and procedural complexity to maximize safety and efficacy.


Clinical Applications
▪️ Pediatric dentistry (behavioral management and pain reduction)
▪️ Oral surgery (third molar extraction, implant placement)
▪️ Management of irreversible pulpitis
▪️ Patients with anxiety or low pain threshold

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Safety Considerations
▪️ Risk of local anesthetic systemic toxicity (LAST)
▪️ Careful calculation of maximum doses
▪️ Consideration of patient-specific factors (age, weight, comorbidities)
▪️ Avoidance of drug interactions

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💬 Discussion
The application of anesthetic synergy in dentistry represents a significant advancement in pain management. Evidence supports the use of vasoconstrictors and buffering techniques to enhance anesthetic performance, particularly in challenging clinical conditions such as inflamed tissues. However, the indiscriminate combination of agents may increase the risk of adverse effects. Therefore, clinicians must rely on evidence-based protocols and pharmacological knowledge to maximize benefits while minimizing risks.

✍️ Conclusion
Anesthetic synergy in dentistry enhances the efficacy, duration, and predictability of local anesthesia, contributing to improved patient outcomes. Its rational application requires a thorough understanding of drug interactions, mechanisms, and safety profiles.

🎯 Recommendations
▪️ Use vasoconstrictor-containing anesthetics when not contraindicated
▪️ Consider buffering techniques to improve onset and comfort
▪️ Tailor anesthetic combinations based on clinical scenario and patient factors
▪️ Monitor for signs of toxicity and adverse reactions
▪️ Follow evidence-based dosing guidelines

📚 References

✔ Becker, D. E., & Reed, K. L. (2012). Essentials of local anesthetic pharmacology. Anesthesia Progress, 59(2), 90–101. https://doi.org/10.2344/0003-3006-59.2.90
✔ Malamed, S. F. (2020). Handbook of Local Anesthesia (7th ed.). Elsevier.
✔ Meechan, J. G. (2011). Why does local anaesthesia not work every time? Dental Update, 38(7), 488–492. https://doi.org/10.12968/denu.2011.38.7.488
✔ Haas, D. A. (2002). An update on local anesthetics in dentistry. Journal of the Canadian Dental Association, 68(9), 546–551.
✔ Drum, M., Reader, A., Nusstein, J., & Beck, M. (2011). A prospective study of anesthetic efficacy. Journal of Endodontics, 37(4), 438–442. https://doi.org/10.1016/j.joen.2010.12.016

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lunes, 27 de abril de 2026

Perioral Infections in Children: Causes & Treatment

Perioral Infections

Perioral infections in children of dermatologic origin constitute a frequent yet often misdiagnosed group of conditions affecting the skin surrounding the oral cavity. These include perioral dermatitis, impetigo, herpes simplex infections, and candidiasis, among others.

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Introduction
Dermatologic perioral infections in pediatric patients are commonly encountered in clinical practice and may mimic one another. Misinterpretation can lead to inappropriate treatments, such as unnecessary antibiotics or corticosteroid misuse, potentially worsening the condition. Understanding the distinct clinical patterns and etiologies is essential for effective management.

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Definition
Perioral dermatologic infections in children are defined as infectious or inflammatory conditions affecting the skin surrounding the mouth, primarily involving the lips, nasolabial folds, and perioral region. These conditions are typically non-odontogenic and may have bacterial, viral, fungal, or inflammatory origins.

Etiology

1. Inflammatory Conditions
▪️ Perioral dermatitis
- Frequently associated with topical corticosteroid use
- Triggered by irritants, fluorinated toothpaste, or cosmetics

2. Bacterial Infections
▪️ Impetigo (Staphylococcus aureus, Streptococcus pyogenes)
▪️ Secondary infections due to skin barrier disruption

3. Viral Infections
▪️ Herpes simplex virus type 1 (HSV-1)
▪️ Highly contagious, often recurrent

4. Fungal Infections
▪️ Candida albicans (especially in moist environments or immunocompromised children)

5. Predisposing Factors
▪️ Excessive salivation or lip licking
▪️ Poor skin hygiene
▪️ Use of occlusive creams
▪️ Immunosuppression

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Clinical Features
▪️ Perioral dermatitis: Erythematous papules, pustules, and scaling sparing the vermilion border
▪️ Impetigo: Honey-colored crusted lesions
▪️ Herpes simplex: Vesicles evolving into painful ulcers
▪️ Candidiasis: Erythematous plaques with possible satellite lesions

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Treatment

1. Perioral Dermatitis
▪️ Discontinuation of topical corticosteroids (first-line step)
▪️ Topical therapies: metronidazole, erythromycin
▪️ Oral antibiotics (e.g., erythromycin) in moderate to severe cases
▪️ Avoidance of irritants and fluorinated products if implicated

2. Impetigo
▪️ Topical antibiotics: mupirocin or fusidic acid
▪️ Oral antibiotics for extensive lesions (e.g., cephalexin)
▪️ Hygiene measures to prevent spread

3. Herpes Simplex Infection
▪️ Supportive care (hydration, pain control)
▪️ Acyclovir in early stages or severe presentations
▪️ Avoid direct contact during active lesions

4. Candidiasis
▪️ Topical antifungals (nystatin, clotrimazole)
▪️ Maintain dryness of affected area
▪️ Address underlying risk factors

5. General Supportive Care
▪️ Gentle skin cleansing
▪️ Avoidance of irritants and occlusive products
▪️ Patient and caregiver education

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💬 Discussion
Dermatologic perioral infections in children require a precise clinical approach due to overlapping features. The misuse of topical corticosteroids is a well-documented factor in the exacerbation of perioral dermatitis. Evidence supports a targeted therapy based on etiology, minimizing unnecessary systemic treatments. Increasing awareness among clinicians and caregivers is essential to reduce recurrence and complications.

✍️ Conclusion
Perioral dermatologic infections in children are diverse conditions requiring accurate diagnosis and etiology-specific management. Early recognition and appropriate treatment significantly improve outcomes while preventing chronicity and recurrence.

🎯 Recommendations
▪️ Avoid empirical corticosteroid use in undiagnosed perioral lesions
▪️ Promote early dermatologic evaluation in persistent cases
▪️ Educate caregivers on trigger avoidance and hygiene practices
▪️ Use evidence-based, etiology-specific therapies

📊 Differential Diagnosis: Perioral Dermatologic Conditions in Children

Condition Key Clinical Features Diagnostic Clues
Perioral dermatitis Papules, pustules, erythema sparing vermilion border History of corticosteroid use, chronic course
Impetigo Honey-colored crusts, superficial erosions Bacterial culture, rapid spread in children
Herpes simplex infection Grouped vesicles, painful ulcers Recurrent episodes, viral PCR
Angular cheilitis Fissures and erythema at lip commissures Associated with saliva, fungal/bacterial origin
Candidiasis Erythematous plaques, satellite lesions Fungal culture, immunocompromised status
📚 References

✔ Lipozencić, J., & Hadžavdić, S. L. (2014). Perioral dermatitis. Clinics in Dermatology, 32(1), 125–130. https://doi.org/10.1016/j.clindermatol.2013.05.033
✔ Bowen, A. C., Mahé, A., Hay, R. J., et al. (2015). The global epidemiology of impetigo. The Lancet Infectious Diseases, 15(8), 960–967. https://doi.org/10.1016/S1473-3099(15)00132-5
✔ Kimberlin, D. W. (2021). Herpes simplex virus infections. The Lancet, 398(10310), 1218–1230. https://doi.org/10.1016/S0140-6736(21)00416-7 Pappas, P. G., et al. (2016). Clinical practice guideline for candidiasis. Clinical Infectious Diseases, 62(4), e1–e50. https://doi.org/10.1093/cid/civ933
✔ Habif, T. P. (2016). Clinical Dermatology: A Color Guide to Diagnosis and Therapy (6th ed.). Elsevier.

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