Concurrence of Dens Invaginatus and Evaginatus Involving All Maxillary Anteriors: A Rare Case with Comprehensive Review

Developmental malformations of tooth can occur due to various environmental and genetic factors playing role while tooth development. It is not unusual to find two or more such malformations in a dentition and in a single tooth. Simultaneous occurrence of dens invaginatus and dens evaginatus (talon cusp) is rare and complex. Hence, proper diagnosis and treatment plan is important so as to achieve favourable prognosis. This paper will discuss about such a rare combination in light of review on its various aspects.