In spite of extensive progresses in respect of infection control during recent years, many problems are still observed in the faculties, private and public healthcare centers. Thus, this study has been performed in order to evaluate the participation ratio of dental assistants working in the dentistry centers of the city of Ahvaz in southwest Iran in the infection control educational courses in 2015.This study has been performed descriptively and analytically in a six months period from October 2015 to March 2016. The statistical population is the dental assistants working in the private and public dentistry centers in the city of Ahvaz, that 217 of them were selected in a stratified random way. The performance of dental assistants about infection control was evaluated by researcher made questionnaire. The data was analyzed by SPSS 21 software. Among the total dental assistants participating in the study, 98.1% were female and 1.9% were male. In respect of workplace, 69% were working in private clinics, 29.6% in personal clinics, and 1.4% in public clinics. Their performance about infection control was not satisfactory. About participation in the infection control educational program, 199 people (91.7%) had responded “no” and 17 people (7.9%) responded “yes”. The results of study showed that the dental assistants’ awareness, attitude, and performance are not still adequate and more training along with exact monitoring is required in this regard.
