The damage of the adjacent teeth during preparation abutments by students at Faculty of Dentistry in Alrasheed private university

Abstract

Background and aim of study: preservation of tooth structure is the most important principle during tooth preparation to receive a retainer, so we should pay attention to adjacent teeth from damaging during preparation, because the harm that may occurs on the proximal surfaces adjacent to this tooth is a serious problem that cannot be repaired.

The study aims to evaluate the damage caused to the adjacent teeth surfaces (mesial and distal surfaces) when preparing the teeth to receive a full metal crown.

Materials and methods: The study sample consisted of 60 gypsum casts containing 60 lower first molars prepared by second-stage undergraduate students at Faculty of Dentistry in Al-Rasheed Private University, the mesial and distal damage of adjacent teeth surfaces using a light microscope was evaluated.

Results: The incidence of damage of adjacent teeth was found by 95%, the mesial damage was main (1.4) by 83%, and distal (1.85) by 90%.

Conclusions: There is damage of the proximal surfaces of adjacent teeth during preparation in a large proportion of cases. Preventive procedures (ex: application of a matrix bar) during preparation to protect adjacent teeth from burs damages.