Oral Science is mouth of a medical professional important clinical disciplines. It is the study of the most common, most of the in crowd in the highest incidence of oral diseases. Including hard tissue dental disease, pulp disease, apical weeks disease, periodontal disease and oral mucosal disease. Introduction of these diseases, etiology, clinical pathology, symptoms, diagnosis, treatment and prevention. Oral medical treatment is the preservation of the original organ, maintaining its original function for the purpose. What you had to be of oral medicine treatment?In other words, oral medicine doctor can give you treatment of the diseases it.Generally speaking, when you dental pain, most have to ask oral medical diagnosis and treatment of the doctor to you. When you are dental caries and hard tissue injury, and other non-caries disease, filling the need (fill teeth); when your teeth with pulp disease, periapical disease, periodontal disease treatment needed for pulp, Root canal treatment, periodontal scaling, such as gum removal treatment; When you suffer from recurrent aphthous, oral leukoplakia, and other mucosal disease; need oral physician to give the correct treatment and guidance. Oral by medical diagnosis and treatment of diseases specific: caries, dental dysplasia, dental injury, pulp disease (pulpitis acute, chronic pulpitis, pulp stone disease), periapical disease (acute periapical inflammation, Periapical chronic inflammation), periodontal disease (gingivitis, gingival hyperplasia, periodontitis, periodontal ? pulp joint disease, periodontal abscess, periodontal atrophy, furcation disease), oral mucosal disease (oral Simple Herpes, oral herpes simplex, herpes zoster, MI stomatitis, gangrene stomatitis, oral tuberculosis, oral candidiasis, drug allergy stomatitis and contacts stomatitis, vessels and nerves of edema, more red-exudative Grouper, recurrent aphthous, Behcet’s disease, traumatic ulcers, pemphigus, scar pemphigoid, bullous pemphigoid, oral white keratosis, oral leukoplakia, OLP, discoid red Grouper lupus, oral submucous fibrosis, chronic cheilitis, Koujiao Yan, maps tongue, Gouwen tongue, the tongue hair, a diamond center of the tongue, the tongue nipple-yan, atrophic She Yan, tongue pain), some sexually transmitted diseases and Systemic diseases have oral characterization, such as syphilis, gonorrhea, pointed condyloma, AIDS, anemia, abnormal blood cells, bleeding disorders, lack of vitamin B2, vitamin deficiency PP, vitamin C deficiency, lead poisoning, bismuth poisoning, mercury poisoning , Poisoning and oral mucosa, such as abnormal pigment, may be the first oral treatment and the physician found.