中国北方正常年轻成人自然头位下软组织侧貌的线性测量和分析

doi:10.13481/j.1671-587x.20160122

Abstract

Abstract:

Objective: To construct a database based on the analysis of the soft tissue profile of a Northern Chinese population of young adults by means of linear measurements made on standardized photographic records taken in natural head position (NHP),and to provide a reference for the orthodontists and oral surgeons in diagnosis and treatment planning.Methods: 88 students who met the inclusion criteria from Jilin University were selected.The right profile records in NHP were taken.The photographic records were analyzed with the coreldraw software. 10 vertical and 7 horizontal linear parameters were used to determine the average male and female soft tissue facial profile.The reproducibility of measurements was analyzed by using Dahlberg's formula.Statistical analysis was carried out for the males and females respectively using SPSS17.0 statistical software.An independent sample t-test was used to analyze the differences between genders. Results: The mean values for facial heights (Tri-G,G-Sn,N-Sn,Prn-Sn,Sn-Me,Sn-Sto,Ls-Sto,Sto-Sm,Sto-Li,Sm-Me)and facial depthes (G-TVL,Trg-TVL,Prn-TVL,ULL-TVL,Sm-TVL,Pg-TVL)were larger in males than females.The standard deviation of upper face height,lower face height and facial prominence were larger.The middle face height was equal to lower face height,and the upper face height was smaller.Nearly all the values of facial heights showed gender differences except the upper face height and the height of nasal tip (P<0.01).The sagittal facial prominence displayed less gender differences,only G-TVL,Trg-TVL and ULL-TVL showed significant differences (P<0.01). Conclusion: The method error,maximum,minimum,average and standard deviation of male and female soft tissue profile of a Northern Chinese population of young adults under NHP are defined using linear measurement.A database based on the linear analysis of the soft tissue profile of a Northern Chinese population of young adults under NHP is constructed,which could help a lot for the orthodontists and oral surgeons in clinical diagnosis and treatment.

Key words: soft tissue, facial profile, linear measurement, standardized photographs, natural head position

CLC Number:

R782.05

LIU Chang, LI Xinqing, LIU Ying, GUO Xiaokai, WANG Sihan, WANG Shuo, YANG Jiarui. Linear measurement and analysis of soft tissue facial profile of Northern Chinese young adult under nature head position[J].Journal of Jilin University Medicine Edition, 2016, 42(01): 109-114.

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Linear measurement and analysis of soft tissue facial profile of Northern Chinese young adult under nature head position

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