Tooth Fusion, a Rare Dental Anomaly: Analysis of Six Cases
Fusion is a rare developmental anomaly of shape of tooth, characterized by the union of two adjacent teeth, seen in both the primary and permanent dentition and has very little documentation in Indian population. The prevalence of tooth fusion in the primary dentition is 0.5-2.5% and 0.1% in permanent dentition. The exact aetiology is not known, but it is thought that some physical forces or pressures cause the contact of developing teeth. The clinical presentation often ranges from two separate crowns to a crown of double the size of normal. The tooth fusion may contribute to various significant problems. Correct diagnosis of the condition implicates right treatment and a better prognosis. Management of fusion warrants regular and careful monitoring with long-term follow-ups. The purpose of the present study was to analyse six cases of teeth fusion with emphasis on clinical and radiographic findings and to review the literature.
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