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未治疗安氏Ⅰ类错软组织特点及其生长发育特点的研究

The characteristic of soft-tissue growth in untreated class Ⅰ malocclusion
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摘要 目的:研究未治疗的安氏Ⅰ类错患者软组织特点及其生长发育特点,为临床上安氏Ⅰ类错的治疗提供参考。方法:收集安氏Ⅰ类错病例909例,按性别和CVM分期分组,通过头颅侧位片测量不同性别,不同颈椎分期患者软组织厚度和方向的改变,SPSS18.0方差分析后进行组间多重对比。结果:男性ULP、LLP、H角、FCA、H线与鼻、鼻唇沟及颏唇沟的距离基本都大于女性。鼻唇角大小正常,但性别差异显著。男女性患者在FCA和H线与鼻、鼻唇沟、颏唇沟的距离生长发育趋势大体相似。H线与鼻部的距离逐渐减小,男性上唇突度在CS1-CS4期逐渐增大,女性在CS1-CS3期逐渐增大,无明显统计学意义,但女性生长发育早于男性。结论:在CS1-CS6期,男性软组织厚度基本大于女性,鼻唇角性别差异较大。男女性别在软组织生长发育方向趋势上大体相似,但女性软组织生长发育早于男性。 Objective:The purpose of this study was to investigate the characteristics of soft-tissue growth in untreated Class I malocclusion subjects.Material and Method: The sample consisted of 909 subjects with Class I malocclusion,who were divided to six groups according to their gender and CVM.The depth and growth of soft-tissue were be measured by their cephalograms. The data were analyzed by SPSS18.0. Result:The ULP,LLP,H angle, FCA, the distance of H line to nose,to nasolabial sulcus and to mentolabial sulcus of males were larger than females.The nasolabial angle was normal,but significant differences between the sexes were found in nasofrontal angle. All groups exhibited the similar tendency of growth in FCA and H line to nose to nasolabial sulcus and to mentolabial sulcus. The distance of H line to nose was decreased,the ULP increased in CS1-CS4 in males and increased in CS1-CS3 in females,but the change was not statistically signi?cant. The soft-tissue growth earlier in females. Conclusion:The facial soft tissue thickness was higher in males when compared with females from CS1 to CS6 period. The nasofrontal angle differed significantly between the sexes. The changes in males and females were similar in direction of growth,but the growth was earlier in females.
出处 《临床口腔医学杂志》 2013年第8期454-457,共4页 Journal of Clinical Stomatology
关键词 口腔正畸 安氏Ⅰ类 软组织 生长发育 orthodontics Class I malocclusion soft-tissue growth
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