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Bilateral twinning: report of case

O Favalli¹, M Webb, J Culp

¹TAMUS Baylor College of Dentistry, Dallas, USA.

ASDC Journal of Dentistry for Children

|September 19, 1998

Summary

Tooth twinning, a dental anomaly where one tooth combines with another, was observed bilaterally. This case involved gemination and fusion of canines, potentially with supernumerary teeth.

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Area of Science:

Dentistry
Oral and Maxillofacial Surgery
Dental Anomalies

Background:

Tooth twinning is a rare developmental anomaly characterized by the union of two forming teeth.
Understanding its nomenclature and presentation is crucial for accurate diagnosis and treatment planning.

Observation:

This study reports a case of bilateral tooth twinning affecting the canine teeth.
The anomaly presented as gemination in the maxillary right and mandibular left canines.
Fusion was observed in the maxillary left and mandibular right canines, with associated supernumerary teeth.

Findings:

The case highlights a complex presentation of tooth twinning involving both gemination and fusion.
Bilateral occurrence in canines suggests a potential genetic or environmental influence during development.
The presence of supernumerary teeth further complicates the dental anomaly.

Implications:

Accurate identification of twinning types (gemination vs. fusion) is essential for appropriate dental management.
This case contributes to the understanding of rare dental anomalies and their varied presentations.
Further research into the etiology of complex bilateral tooth twinning is warranted.

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