Changes in the cutting efficiency of different types of dental diamond rotary instrument with repeated cuts and disinfection.

Statement Of Problem: Cutting efficiency is one of the most important factors to consider when a specific dental diamond rotary instrument is selected. However, the selection of a dental diamond rotary instrument is based on clinical experience rather than any scientific evidence.

Purpose: The purpose of this study was to identify how the cutting efficiency of different types of dental diamond rotary instrument changed with repeated cuts and disinfection.