Assessing of ability of tooth shade selection by dentistry students of Shahid Sadughi dental school of Yazd in 1395

Ability of tooth shade segregation by A dentists is very important. Assessment of tooth shade selection by dentists is one of the most basic investigations. In this survey, dentistry students’ ability of tooth shade selection and their progress by education was evaluated. This study was done on 59 Dentistry Students of Shahid Sadoughi Dental School of Yazd. 32 of the students were studying in the 9th semester and 27 were in the 11th semester. For assessment of tooth shade selection ability, dentistry students were asked to adapt 4 composite samples to Vita Classic shade guide. The ability of complete shade matching was seen only in %5.1 and ability of 3, 2, and 1 or less color segregation sequence was seen in% 35.5, %33.9 and %25.5 respectively. The ability of shade selection was better among the students of the 11th semester than the students of the 9th semester (P value=0.004). Sex has no effect on ability of shade selection by students (for 9th semester P value = 0.198 and for 11thterm, P value = 0.495). There was no significant difference between using glasses or lenses compared to students direct vision In two semesters. In this study, seen education improved the ability of shade selection by students but sex or wearing glasses or lenses was not effective