An Investigation Into the Amount of Preparation of teeth Receiving Metal- Ceramic Crowns Prepared by Undergraduate Students in Damascus Dental School

Abstract

Introduction: Full crowns are the main extracoronal restorations to be prepared in the field of Fixed Prosthodontics speciality. The aim of this study was to investigate the amount of preparation of teeth to receive full crowns provided by undergraduate dental students.

Materials and methods: The study investigated the dimensional characteristics of prepared teeth, in relation to their unprepared antimeres. The sample consisted of 104 dies of maxillary and mandibular posterior teeth prepared to receive full crown by undergraduate dental students.

Results: The mean amount of tooth reduction was more than the ideal amount suggested in the literature. This was especially true of the mesiodistal dimension, since the mean amount of preparation exceeded the ideal amount by over 1.00 mm. conclusion: Over-preparation was a predominant finding in the course of this study.