Objectives : The purpose of the study is to investigate satisfaction, awareness and utilization of dental telephone services in dental clinic patients. Methods : A self-reported questionnaire was filled out by 220 dental clinic patients in G metropolitan city from March 11 to September 27, 2013. The data were analyzed by a descriptive analyses, ${chi}^2$-test and relevant factors were determined using logistic regression analysis by SPSS 12.0. Results : The experience rate of scaling was 68.0% and the average number was $1.04{pm}1.13$. The experience rate of regular check-up was 41.0% and the average number was $1.01{pm}1.29$. Satisfaction and utilization rate of scaling and regular checkup was higher than that in those who did not receive the services. The major variables influencing the experience of scaling were woman, utilization of dental telephone service and regular check-up were awareness, utilization of dental telephone service and reason of utilization of dental telephone service(preventive). Conclusions : The dental telephone service in dental patients improved oral health. Accordingly, it is necessary to develop the professional dental hygiene program for oral health in dental patients.