Introduction: there are three types of dens in dente: Type I. minimal invagination confined to the crown of the tooth which does not extend beyond the amelocemental junction; Type II. invagination extends to the pulp chamber. but remains within the root canal with no communication with the periodontal ligament; and Type III. https://www.hindigyanvishv.com/limited-time-SYIL-X7-Vertical-Mill-big-deal/