Concomitent Complete Fusion between 32, 33 Teeth and Gemination of 42 Tooth of a Nine Year Old Boy: A Clinical Note

摘要

Objective: A 9 year old child was diagnosed clinically and radiologicaly as fusion of 32 and 33 teeth, gemination of 42 tooth. Concomitent complete dental fusion at the left side and gemination at the right side of mandibular arch in permanent teeth is a uncommon dental anomaly and this ways of differentiating gemination from fusion and their management are discussed here.Design: Clinical report.Method: The patient was diagnosed by clinical and radiological evaluation.Results: The classic radiological feature was complete union of 32, 33 teeth with one less tooth in the arch than normal and 42 tooth was large bifid crown with normal number of teeth in the arch.Conclusion: Concomitant complete fusion and gemination involving left and right side of mandible in permanent teeth are uncommon conditions, but they are important dental anomalies. The etiology of double teeth may be attributed to evolution, trauma, heredity and environmental factors. In the present study concomitant complete fusion and gemination involving permanent teeth considering the heredity as an etiology. Management depends upon particular case, patients and parents expectation and degree of patient compliance.