Management of a Type II Dens Invaginatus with Regenerative Endodontic Therapy

Dens invaginatus (DI) is an unusual tooth anomaly, resulting from an infolding of the dental papilla during tooth development.Root canal treatment of such teeth is challenging because of the difficulties associated with this type of malformation.The purpose of this paper was to describe the management of Oehlers type II DI in an immature upper right canine associated with a latero-apical lesion and a sinus tract and to demonstrate that cone beam computed tomography (CBCT) and operator dental microscope are essential auxiliaries that help in avoiding errors in the diagnosis and treatment of such teeth.We also aimed to highlight a novel method of regenerative endodontic treatment (RET) for immature necrotic teeth using Platelet-rich fibrin (PRF), a recently developed scaffold material, to overcome limitations associated with traditional endodontic treatment using an apical plug.