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KMID : 0358820080350030303
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2008 Volume.35 No. 3 p.303 ~ p.308
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Development of Computerized Anthropometric Analysis Model in Cleft Lip Nasal Deformity Using 3D Laser Scanned Facial Cast Model.
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Kim Suk-Wha
Park Jong-Lim
Kim Jae-Chan
Bek Seung-Hak
Son Woo-Gil
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Abstract
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PURPOSE: The purpose of this study is to develop three-dimensional computerized anthropometry(3DCA) and to compare its reliability and accuracy 3DCA with manual anthropometry(MA) for measurement of lips and nasal deformities in unilateral cleft lips and palate(UCLP) patients.
METHODS: Samples were consisted of six UCLP patients whose facial plaster models were available immediately before and 3 months after the cleft lip surgery. MA of the facial plaster models was carried out using an electronic caliper. In 3DCA, three-dimensional auto- measuring program was used to digitize landmarks and to measure three-dimensional virtual facial models (3DVFM), which was generated with a laser scanner and 3D virtual modeling program. Intraclass correlation coefficients(ICC) were calculated to evaluate reliability and reproducibility of the variables in both methods, and Wilcoxon’s signed rank test was done to investigate the difference in values of the same variables of facial models of each patient between two methods.
RESULTS: All ICC values were higher than 0.8, so both methods could be considered reliable. Although most variables showed statistical differences between two methods(p<0.05), differences between mean values were very small and could be considered not significant in clinical situation.
CONCLUSION: In clinical situation, 3DCA can be an objective, reliable and accurate tool for evaluation of lips and nasal deformities in the cleft patients.
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KEYWORD
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Three dimensional computerized anthropometry, Manual anthropometry, Cleft lip
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