Dental caries and periodontal disease are among the most common human diseases. World Health Organization determined 17 goals for oral health related issues to be achieved by the year 2020 and asked countries to plan necessary programs in order to improve their community oral health. Training of intermediate personnel is considered as a priority for prevention of oral disease among people, especially target groups. The provision of oral health services and education by them is at the first level of prevention and makes possible preventive care services in the health centers of network system.
