中小学生正处于人体生长发育的重要阶段,口腔颌面部的发育较快;颌骨在增长,牙齿在形成、萌出;乳牙和恒牙在一定时期要交替等。龋齿、牙周病、四环素色牙、牙外伤、(?)替换期常出现各类异常(如乳牙滞留、牙错(?)、畸型牙、错(牙合)等),成为学生的常见口腔疾病。校医、保健教师必须掌握学生口腔保健检查方法,以指导学生保护牙齿,对常见口腔疾病进行矫治。检查前要做好准备工作,先分班讲口腔卫生保健课,既宣传口腔卫生保健常识,又使学 Primary and secondary students are at an important stage of human growth and development, oral and maxillofacial rapid development; jaw growth, the formation of teeth, eruption; deciduous teeth and permanent teeth in a period of time to be alternated. Dental caries, periodontal disease, tetracycline color tooth, dental trauma, (?) Replacement often appear all kinds of abnormalities (such as deciduous teeth retention, malocclusion (?), Malformed teeth, malocclusions), a common oral cavity disease. School physicians, health teachers must master students oral health examination methods to guide students to protect their teeth, orthodontics for common oral diseases. Pre-check to be prepared, the first class to talk about oral health care class, both oral health publicity common sense, but also to learn