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牙颌发育是儿童少年生长发育的组成部分。为了探讨儿童少年牙颌发育规律,为早期矫治牙颌畸形提供科学依据,笔者对城市8~14岁儿童牙颌畸形进行了调查,结果报告如下。 1 资料来源 1.1 调查对象及内容,对城镇5所小学8~14岁健康儿童进行牙颌畸形的调查。口腔检查按常规方法由口腔科医生负责,调查前统一培训,统一技术要求,填写调查卡。调查内容主要是乳和恒牙数目、重要错位、替换情况、牙齿排列、上下牙弓的形态、上下牙弓的咬颌关系及上下颌骨形态。
Dental development is an integral part of children's growth and development. In order to explore the development of children and adolescents dentition jaw, orthodontics provide a scientific basis for the early correction of dentures, the author of 8 to 14 years old children in the city of dentition were investigated, the results reported below. 1 Sources 1.1 Surveyed Subjects and Contents, Malondial Deformity Survey on 5 Healthy Children from 5 Primary Schools and Towns in Urban Areas. Dental examination by the usual method by the dentist is responsible for the unified investigation before the training, uniform technical requirements, fill in the survey card. The main contents of the survey were the number of milk and permanent teeth, major misplacement, replacement, arrangement of teeth, shape of upper and lower dental arch, jaw-jaw relationship of upper and lower dental arch, and mandibular morphology.