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KMID : 0362419920300040575
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Journal of Korean Academy of Prosthodontics
1992 Volume.30 No. 4 p.575 ~ p.581
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A STUDY ON ESTABLISHING THE OCCLUSAL PLANE
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Lee Jong-In
Shin Sang-Wan
Suh Kyu-Won
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Abstract
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It is a very important procedure to establish the occlusal plane in the construction of complete denture. So many methods have been utilized to establish the occlusal plane in complete de-nture prosthodontics. However, no single method seems to fully accepted. This study was aimed to review the literature on establishing the occlusal plane in complete denture prosthodontics, to measu-re the distance from the lower border of the upper lip to the upp-er incisal edge and to investigate the correlation between the ala-tragus line and the occlusal plane.
The results ware as follows ;
1. The average distance between the lower border of the upper lip and the upper incisal edge was 1.48±1.28mm.
2. The distance between the lower border of the upper lip and the upper incisal edge had a tendency to decrease with age.
3. A angle of the ala-tragus line to the occlusal plane measured with Fox plane was ―1.41±2.33°
4. The ala-tragus line to occlusal plane was nearly parallel, cosidering curve of spee in the upper natural teeth.
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