摘要：A healthy mouth is essential for general health and well-being, enabling individuals to communicate effectively,and to eat and enjoy a variety of foods. It is important foroverall quality of life, self-esteem and social confidence.1The cost of oral disease to individuals and society extendsbeyond the oral health burden alone; there is, for example,lostproductivity due to absenteeism from work andschool,and reduced quality of life
