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目的 了解太原市桃园小学学生生长发育期儿童错牙合 畸形的患病情况。方法 按临床症状分类 ,以个别正常牙合和错牙合分类为标准。结果 错牙合畸形的患病率替牙期为 44 77% ,恒牙期为 44 74% ;牙列拥挤 ,前牙深覆牙合深覆盖 ,个别牙错位 ,前牙反牙合、开牙合、锁牙合患病率替牙期为 41 5 7%、2 4 2 5 %、19 71%、13 31%、0 71%、0 48% ;恒牙期为 46 96 %、2 2 17%、16 5 2 %、12 6 1%、0 87%、1 3%。结论 太原市桃园小学学生儿童错牙合畸形患病率替牙期与恒牙期无明显差异 ,提示对一些骨性畸形需尽早矫治。
Objective To understand the prevalence of malocclusion in children during the growth and development of Taoyuan primary school students in Taiyuan. Methods According to the classification of clinical symptoms, with individual normal occlusion and malocclusion classification as the standard. Results The prevalence of malocclusion was 44.77% during the period of dentition and 44.74% during permanent dentition. The crowding of the dentition, the depth of the anterior teeth covered by deep overbite, the dislocation of the individual teeth, the anterior crossbite and the anterior teeth The prevalence of occlusal occlusion was 41 5 7%, 2 4 2 5%, 19 71%, 13 31%, 0 71%, 0 48% respectively, while the duration of permanent occlusion was 46 96%, 2 2 17 %, 16 5 2%, 12 6 1%, 0 87%, 13%. Conclusion The prevalence of malocclusion in children of primary school in Taoyuan, Taiyuan has no significant difference between dentition and permanent dentition, suggesting that some orthopedic deformities should be corrected as soon as possible.