Endodontic and periodontal treatment of an external cervical resorption.

External root resorption can be divided into 3 categories: 1) progressive inflammatory resorption; 2) cervical resorption; and 3) replacement resorption. Cervical resorption is a not well recognized type of progressive external inflammatory resorption. It occurs after injury to the cervical attachment apparatus, mostly in the area of the cervical root surface (precementum) below the epithelial attachment.

Dens invaginatus type II: case report with 2-year radiographic follow-up.

Dens invaginatus is a malformation of teeth probably resulting from an infolding of the dental papilla during tooth development. Clinically, it is frequently characterized by unusual crown morphology. It is common to see peg- or barrel-shaped teeth.