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KMID : 0061119810090000163
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Bulletin of the Clinical Research Institute
1981 Volume.9 No. 0 p.163 ~ p.163
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The Depth in the Gnathostatic Model Analysis of Koreans with Normal Occlusion
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Lee Bong-Won
Choie Mok-Kyun
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Abstract
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In this study, we measured the distances ab, 11, a 1, b1 in the gnathostatic model to be clinically applied to diagnose the sagittal relationship of the jaws.
The sample was consisted of 142 males and 103. females with normal occlusion, residing in Seoul, Korea.
The results were as follows.
1. The mean values of the distance from the point a to the point b, the upper
central incisor (1) to the lower central incisor (1), the point a to the upper
central incisor, and the point b to the lower central incisor did not show
any significant change in all age groups of the subjects in both sexes.
2. The mean value of the distance from a to b_ was -6.7±2.9㎜.
3. The mean value of the distance from l to 1 was -3.2±1.5㎜.
4. The mean value of the distance from a to 1 was 1.9±1.9㎜.
S. The mean value of the distance from b to 1 was 5.4♀1.7㎜.
6. Based upon the above results, we made out the diagnostic reference, ab-11 = a 1- b1 [ -6.7 -(-3.2) = 1.9 =5.4 ], which can be useful in the diagnosis of malocclusion.
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