Restoration of endodontically treated teeth: the seven keys to success.

Preservation of tooth integrity and strength is important for the long-term survival of endodontically treated teeth. Endodontic treatment and post space preparation requires reduction of the remaining supportive tooth structure. Restorative modalities following root canal therapy must provide sufficient strength for the prosthetic material and tooth structures. This article presents seven key factors that should be taken into consideration to ensure clinical success when restoring an endodontically treated tooth.