Abstract
Developmental dental disorders may be due to abnormalities in the differentiation of the dental lamina and the tooth germ (anomalies in number size and shape) or to abnormalities in the formation of dental hard tissue (anomalies in structure). The terms “double tooth”, “double formation”, and “joined tooth” or “fused teeth” are often used to describe gemination and fusion, both of which are primary developmental abnormalities of teeth. According to current definitions, gemination occurs when one tooth bud tries to divide, while fusion occurs if two buds unite. Clinical experience shows, however that diagnosis can be complicated due to super imposed anomalies. This report describes a unique case of geminated primary incisors, the potential difficulty in classifying the anomaly and the ways of differentiating gemination from fusion as well as esthetic rehabiliation of the anomaly are discussed.
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