Ph.D. (Public Health Dentistry) is a doctoral level course. The full degree course consists of three year and its syllabus is divide in six semesters of sex month each. During the study time candidates learn how to develop a comprehensive treatment for patients. The goal of this course is to offer relevant information for practicing dentistry and to prepare graduates for the changes in dentistry and to gain higher level knowledge in oral surgery. For this candidates must be very hard working