The restoration of the endodontically treated tooth is a subject that has been evaluated and discussed widely in the dental literature despite the large number of in vitro and in vivo investigations however there is still much confusion regarding ideal treatment scurria et al 1 followed up the restorative outcome of 1199 endodontically treated teeth through an insurance claims system. Anterior tooth group was 67 the premolar group was 54 and the molar group was 50 based on these data it seems clear that there continues to be significant confusion regarding the restoration of endodontically treated teeth the endodontically treated tooth is a unique subset of teeth requiring restoration because of several factors. This article will review the restoration of endodontically treated teeth restorative situations restoration design component selection and component interfaces will be analyzed forces of the oral environment and their application on restored teeth will be reviewed the article will also explore the interaction of forces on restorative components and their interfaces. Considerations for anterior teeth endodontically treated anterior teeth do not always need complete coverage by placement of a complete crown except when plastic restorative materials have limited prognosis eg if the tooth has large proximal composite restorations and unsupported tooth structure. Safavi et al examined the influence of delaying coronal permanent restorations on the prognosis of endodontically treated teeth 464 endodontically treated teeth were evaluated using follow up radiographs higher success rate was found in teeth with permanent restorations amalgam composite resin filling or cast crowns with or without a
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