ISSN 2398-2969      

Dental disease: congenital

icanis
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Introduction

  • Cause: congenital condition.
  • Several congenital dental diseases are recognized:
    • Missing teeth - most commonly premolars and incisors.
    • Supernumary teeth - most commonly premolars and incisors (rarely, canines) Teeth: impacted.
    • Fused teeth (incomplete dichotomy) - partial division of tooth root bud.
    • Malformed teeth, eg 'shell teeth' - developed crown but little root structure.
    • Delayed eruption of permanent dentition (rare).
    • Retained deciduous teeth Teeth: retained deciduous.
    • Enamel hypoplasia.
    • Malocclusion Dental malocclusion , orthodontic/bite problems.

Pathogenesis

Etiology

  • Most show a high heritability.

Predisposing factors

General
  • Parents with same the condition.

Pathophysiology

  • Developmental anomalies.
  • Congenital developmental anomalies involving the embryonic tooth bud(s).

Diagnosis

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Treatment

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Prevention

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