Frequently encountered errors in tooth preparations for crowns

Christensen, Gordon J.
October 2007
Journal of the American Dental Association (JADA);Oct2007, Vol. 138 Issue 10, p1373
Academic Journal
The article discusses common errors in full-crown tooth preparations. Some of frequently encountered errors are inadequate tooth reduction on incisal or occlusal surfaces, inadequate tooth reduction on the preparation's axial walls, overreduction of tooth structure, excess taper on the tooth preparation, inadequate buildups, indistinct margins, undercuts in the preparation's axial walls and sharp angles on the preparation.


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