A longitudinal study of facial growth of Southern Chinese in Hong Kong: Comprehensive photogrammetric analyses.

ABSTRACT:

Introduction

Existing studies on facial growth were mostly cross-sectional in nature and only a limited number of facial measurements were investigated. The purposes of this study were to longitudinally investigate facial growth of Chinese in Hong Kong from 12 through 15 to 18 years of age and to compare the magnitude of growth changes between genders.

Methods and findings

Standardized frontal and lateral facial photographs were taken from 266 (149 females and 117 males) and 265 (145 females and 120 males) participants, respectively, at all three age levels. Linear and angular measurements, profile inclinations, and proportion indices were recorded. Statistical analyses were performed to investigate growth changes of facial features. Comparisons were made between genders in

SUBMITTER: Wen YF 

PROVIDER: S-EPMC5650157 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature