Nihon Hotetsu Shika Gakkai Zasshi
Online ISSN : 1883-177X
Print ISSN : 0389-5386
ISSN-L : 0389-5386
Studies on Occlusal Conditions from Normal Natural Dentitions at Intercuspal Position and Lateral Movement
Part 2. Occlusion at Lateral Movement on Working Side
Yoshihiro Tanaka
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1991 Volume 35 Issue 5 Pages 863-877

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Abstract
The method and the subject of the studies in Part 2 were the same as in Part 1. And, the method of study used was the “Superposed rubber pattern method”.
The occlusions were examined at the positions of 1 mm, 2 mm and 3 mm lateral movements from the centric on the working side.
The results were as follows:
1. The rates of share were found by comparing the values of the five different dimensions in the intercuspal position with the values of each at the lateral movements mentioned above (100 is the base value of the intercuspal position). The average values were 107.3%, 133.0% and 158.1% at each positions, respectively, in the area of the intraocclusal distance over 2.0 mm. The average values were 160.8%, 175.3% and 139.3% at each positions, respectively, in the area of the from 2.0 mm to 1.0 mm. The average values were 107.9%, 65.0% and 42.6% at each positions, respectively, in the area of the from 1.0 mm to 0.5 mm. The average values were 42.4%, 21.0%, and 13.1% at each positions, respectively, in the area of the under 0.5 mm.
2. The average values were 4.23 mm2, 1.88mm2 and 0.99mm2 at each positions, respectively, in the area of the under 0.05 mm.
3. The average values of intraocclusal cubic volume were 396.11 mm3, 513.46 mm3 and 596.55 mm3 at each positions, respectively.
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© Japan Prosthodontic Society
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