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KMID : 1004520130290030236
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Journal of Dental Rehabilitation and Applied Science
2013 Volume.29 No. 3 p.236 ~ p.248
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An Evaluative Study on Forehead Morphology of Individuals with Normal Occlusion and Position of Maxillary Incisor in Accordance to Forehead Morphology
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Lee Su-Yong
Lee Jin-Woo
Cha Kyung-Suk
Chung Dong-Hwa
Lee Sang-Min
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Abstract
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In this study, 37 subjects with normal facial shape and normal occlusion are classified and reference value for such classification was investigated. Difference in position of maxillary incisor was studied according to the cl assification. Moreover, by investigating correlation between factors affecting forehead morphology and positio n of maxillary incisor,following results have been obtained. 1. Morphology of forehead can be classified as angular type, round type, straight type, and concave type. 2. There were no specific reference value for evaluation of forehead morphology but possibilities of evaluating forehead morphology using S value and forehead length (Tri-Gla) still remain. 3. There were no correlation between forehead morphology and position of maxillary incisor. 4. Forehead inclination and Andrew analysis show statistically significant negative correlation. That is, as forehead inclination increases, maxillary incisor is positioned posteriorly and this relationship can be shown as following equation,Andrew analysis = -0.39*Forehead inclination.
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KEYWORD
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Andrew’s analysis, Esthetics, Forehead morphology, Maxillary incisor, Position
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