First, what is regular oral health examination Regular oral health examination, that is, in the absence of oral disease or do not feel that they have oral disease, oral health examination, rather than has been clear since the dental disease or toothache, before going to the clinic. Regular time limit varies with age, generally adults once a year. Second, the significance of regular oral health examination 1, oral common diseases such as caries, periodontal disease, etc., mostly occur slowly. In the early stage, there is no obvious symptom, and it is not easy to self-awareness, but when there is pain and other uncomfortable symptoms, it may have developed to the middle and late stage of the disease, which is more complicated to treat, and the patient will suffer more pain and spend more money, and the treatment effect may not be very satisfactory. Regular oral health examination, can early detection of oral diseases, timely treatment of oral diseases. 2, regular oral health examination, oral examination will also be based on oral health status, take appropriate preventive measures to prevent the occurrence of oral diseases and control the development of oral diseases. 3, regular oral health examination, oral surgeons can also find some systemic diseases in the oral manifestations, and take appropriate measures to treat systemic diseases.