Baiju, R. (2017). Oral health and quality of life: current concepts. JCDR - Journal of Clinical and Diagnostic Research, 11(6), ZE21-ZE6.
Freeman. (1999). barriers toAccessing Dental Care: Patient factors. British Dental Journal, 187.
Glick, M. (2017). A new definition for oral health developed by the FDI world dental federation opens the door to a universal definition of oral health. Journal of Public Health Dentistry, 77(1), 3-5.
Kay, E. a. (1997). Effectiveness of Oral Health Promotion:A review. London: Health Education Authority.