Triunity of mandibular deciduous anteriors: A rarity in morphology

Kenchappa Mallikarjun, Parameshwarw Poornima, Indavara Eregowda Neena, Priya Meharwade

Journal of Orofacial Sciences 2016 8(2):135-138

An uncommon developmental anomaly such as a triple tooth may result from fusion, gemination, or concrescence that may occur between two and more teeth or between normal tooth and a supernumerary tooth. This anomaly may occur as a result of conjoining or twining defects that affect both primary and permanent dentition. In this article, we report an unusual case of triplication of primary teeth occurring unilaterally between the lower left lateral incisor and the canine, where the lateral incisor is geminated and it is fused to the canine. The triple tooth was extracted under local anesthesia and its crown portion was sectioned at three levels that are coronal, middle, and cervical one-third, respectively, following which, the sections were observed under a stereomicroscope. Based on the clinical and histologic findings, final diagnosis of gemination of lateral incisor with fusion to the canine is confirmed.

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