Preliminary study on analysis method of spontaneous smile and application / 中华口腔医学杂志
Chinese Journal of Stomatology
;
(12): 169-172, 2012.
Article
in Chinese
| WPRIM
| ID: wpr-281638
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the smile esthetic elements of Chinese Han-nationality female based on high definition (HD) digital camera with computer-image measuring technique.</p><p><b>METHODS</b>HD digital camera was used to capture spontaneous smile process combined with computer-image measuring technique to establish the analysis method of smile. Ninety-nine Han-nationality female with normal gingiva, aged from 20 to 30 years were recruited. The lip-incisor edge distance, gingival display were measured. The data was statistically analyzed.</p><p><b>RESULTS</b>A standard and objective method to analyze spontaneous smile was established. Forty-three percent (43/99) of the subjects studied were classified as having a high smile and average smile respectively, 13% (13/99) as having a low smile. Gingival display accounted for (1.34 ± 0.98) mm in high smile type.</p><p><b>CONCLUSIONS</b>Average smile and high smile type were most common in the Chinese Han-nationality female studied.</p>
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Smiling
/
Image Processing, Computer-Assisted
/
Cephalometry
/
Analysis of Variance
/
Asian People
/
Esthetics, Dental
/
Gingiva
/
Incisor
/
Lip
/
Methods
Limits:
Adult
/
Female
/
Humans
Language:
Chinese
Journal:
Chinese Journal of Stomatology
Year:
2012
Type:
Article
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