加：加强自我保健意识。很重要的一条就是坚持早晚刷牙和漱口的好习惯，以清除牙菌斑、齿垢等。牙齿有病后要及时就诊，不要拖延。减：减少各种致病因素。要节制甜食、甜饮料的摄入，降低唾液及龈沟液的酸度，以减少龋齿的发病率。乘：趁便施用保健法。传统医学提倡的早晚叩齿 Plus: to strengthen self-care awareness. A very important one is to adhere to the morning and evening brushing and gargle good habits to remove plaque, tartar and so on. Dental disease after the timely treatment, do not delay. Less: reduce a variety of pathogenic factors. To control the sweets, sweet drinks intake, reduce saliva and gingival crevicular acidity, in order to reduce the incidence of dental caries. Multiply: Use health care method by the hand. Traditional medicine to promote knocking teeth sooner or later