A therapeutic challenge for an unusual type 2 dens invaginatus

Dental invagination is a tooth malformation induced by the invagination of the enamel organ before calcification has occurred. Type 2 invagination is prolonged into to the main root canal and do not communicate with the periodontal space. When pulp necrosis occurs in such type of invagination, performing rigorous root canal treatment in these aberrant anatomy represent a real the therapeutic challenge. Therefore, removing the anatomical aberration and redesigning the root canal space may be the best treatment choice to achieve these objectives. The aim of this paper is to describe an unusual case of type 2 dens invaginatus on permanent maxillary central incisor in a patient presenting a hypodontia and planned for an orthodontic treatment.