中国北方正常年轻成人自然头位下软组织侧貌角度测量及分析

doi:10.13481/j.1671-587x.20160621

Abstract

Abstract:

Objective: To construct a database based on the analysis of the soft tissue profile of Northern Chinese young adults by means of angular measurement made on the standardized photographic records taken under natural head position,and to provide basis for the orthodontists and oral surgeons to make diagnosis and treatment in clinic.Methods: A total of 113 students (67 female and 46 male) who met the inclusion criteria from Jilin University were selected.The right profile records under natural head position were taken.The facial profile of soft tissue was analyzed by coreldraw software.A total of 12 angular parameters were detected.The reproducibility of the measurement was analyzed by Dahlberg's formula.An independent sample t-test was used to analyze the differences in the measurement values of different soft tissue profile angles between different genders.Results: Except for nasolabial angle (Cm-Sn-Ls),mentolabial angle (Li-Sm-Pg), lower facial height angle (Sn-Trg-Me),the method errors of the other measurements were small.The mean values of nasofrontal angle (G-N-Prn),nasal angle (N-Prn/Sn-Cm),mentolabial angle (Li-Sm-Pg),angle of facial convexity (G-Sn-Pg),and angle of total facial convexity (G-Prn-Pg) of the female were greater than those of the male (P < 0.05 or P < 0.01),while the mean values of vertical nasal angle (N-Prn/TVL) and superior triangle (Pg-G-Prn) of the male were greater than those of the female (P<0.01).The standard deviation of nasolabial angle (Cm-Sn-Ls) and mentolabial angle (Li-Sm-Pg) were greater.Conclusion: A database based on the angular analysis of the soft tissue profile of Northern Chinese young adults under nature head position is obtained,which can provide basis for the clinical diagnosis and treatment of the orthodontists and oral surgeons.

Key words: soft tissue analysis, angular measurement, standardized photograph, facial profile, natural head position

CLC Number:

R602

LIU Chang, LIU Ying, PENG Huimin, HAN Xianzhuo, ZHAO Zhongqi, WANG Xiaokun. Measurement and analysis of soft tissue facial profile of northern Chinese young adults under natural head position[J].Journal of Jilin University Medicine Edition, 2016, 42(06): 1157-1162.

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Measurement and analysis of soft tissue facial profile of northern Chinese young adults under natural head position

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