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Main genetic entities associated with supernumerary teeth.

Francisco Cammarata-Scalisi1, Andrea Avendaño2, Michele Callea3

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Supernumerary teeth, extra teeth beyond the normal count, are a common dental anomaly. Their presence, especially multiple instances, can indicate rare genetic syndromes requiring early diagnosis and management.

Keywords:
GeneticSupernumerary toothTooth abnormalities

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Area of Science:

  • Dentistry
  • Human Genetics
  • Pediatric Dentistry

Background:

  • Supernumerary teeth are defined as extra teeth in primary or permanent dentition.
  • Prevalence ranges from 0.2% to 3%, more common in males.
  • Etiology is often idiopathic, but multiple supernumerary teeth can signal genetic syndromes.

Purpose of the Study:

  • To highlight the association between multiple supernumerary teeth and specific genetic syndromes.
  • To emphasize the importance of considering supernumerary teeth in diagnosing these rare conditions.
  • To advocate for interdisciplinary management and genetic counseling.

Main Methods:

  • Literature review of supernumerary teeth and associated genetic syndromes.
  • Analysis of prevalence and etiological factors.
  • Case study review (implied).

Main Results:

  • Supernumerary teeth are a frequent anomaly with variable etiology.
  • Multiple impacted or erupted supernumerary teeth are rare but linked to syndromes like cleidocranial dysplasia and Rubinstein-Taybi syndrome.
  • Early identification aids in diagnosing underlying genetic conditions.

Conclusions:

  • Supernumerary teeth warrant consideration for diagnosing associated genetic syndromes.
  • Interdisciplinary management and genetic counseling are crucial for affected individuals and families.
  • Recognizing this dental anomaly can lead to timely diagnosis of rare genetic disorders.