A Rare Form of Protostylid: Review of Literature and Case Reports

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Anand L. Shigli
Sangeeta P. Wanjari
Ruchi Ahuja

Abstract

Human teeth possess an active cingular zone that serves as the point of origin for specific accessory cusps. The term protostylid or protoconid is used for any additional cusps on the buccal surface of maxillary and mandibular premolars and molars. Their occurrence in maxillary and mandibular deciduous and permanent dentition is discussed in the literature. This article presents a review of literature in relation to formation of the protostylid, and two cases of prominent protostylids are described, one each in the deciduous and permanent dentitions.