The article conduct a survey on dentistry department or ENT department in total 54 hospitals and health centers of the public system of Hanoi health department from 2009 to 2012, the results as follows: 10 of 24 units in former Hanoi area, 2 of 30 units in the former areas of Ha Tay and Vinh Phuc had full time dentists. Activitivies of dental departments mostly focus on the examination and treatment of common oral diseases. After 3 years of mergering, the number of dental units in the former areas of Ha Tay and Vinh Phuc deployed techniques increased markedly. Training activities, directive activities of head branch (Viet Nam - Cuba friendship hospital) for lower hospitals had been identified as very practical in improving qualifications for medical staff, contributing significantly in improving the quality of medical care at lower levels.