Facial profile study using 3-dimensional photographs to assess esthetic preferences of Hong Kong Chinese orthognathic patients and laypersons

Author(s):  
Su Keng Tan ◽  
Wai Keung Leung ◽  
Alexander T.H. Tang ◽  
Roger A. Zwahlen
1991 ◽  
Vol 158 (2) ◽  
pp. 213-221 ◽  
Author(s):  
Siu-Luen Luk ◽  
Patrick Wing-Leung Leung ◽  
John Bacon-Shone ◽  
See-Yuen Chung ◽  
Peter Wing-Ho Lee ◽  
...  

A representative sample of 855 Hong-Kong Chinese children aged 36–48 months were assessed using the BSQ and the PBCL. Good reliability for both instruments were found. For the BSQ and PBCL, 12.75% and 27.5% were above the cut-off points of 10+ and 12 + respectively and 5.9% were above both cut-off points. In the second stage, 234 subjects were recruited by stratified random sampling according to the results of the screening stage. A clinician interviewed the parent, child and teacher before making a diagnosis. The prevalence of behaviour disorder was: nil, 53.7%; dubious, 23.1 %; mild, 18.0%; moderate, 4.5%; and severe, 0.7%. There were significantly more boys in the categories mild, moderate and severe.


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