Report on a Rare ‘Tooth Crown Morphological Trait’ in Permanent Mandibular Second Molar – Protoconidal Cingulum/Protostylid

Abstract

Human teeth have been transforming due to biological evolutionary phenomenon. Therefore, variations in cusp number, pattern and size can be noticed in the human beings of present era compared to prehistoric age people. The purpose of this article is to present an occurrence of “Protostylid” or “Protoconidal cingulum” on the buccal surface of mandibular second molar in an Indian male patient which is rarely reported so far till date. Reporting of rare tooth crown morphological traits in human teeth is of utmost important to understand the dental evolution and also from forensic point of view.