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KMID : 0352119950110030281
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Journal of Kyung Hee University
1995 Volume.11 No. 3 p.281 ~ p.294
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A Study on Masticatory Performance and Electromyographic Activity of Differences from Artificial Posterior Teeth(II)
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권긍록
최대균/이성복/우이형/최부병/박남수
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Abstract
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The purpose of this pilot study was to determine the effectiveness of posterior occlusal schemes on masticatory activity during mastication in complete denture. Two sets of complete dentures were made for a edentulous subject. One set of dentures
used
30-degree teeth(Endura, Shofu Inc., Japan), and the other was made with lingualized teeth (Lingualized, GC Corp., Japan) in lingualized occlusion scheme.
The comparision 30-degree teeth with lingualized teeth was made by allowing the same subject to wear both, and measuring the amsticatory performance by means of standard sieve, and recording the EMG activity, mandibular movement using BioPak
system.
(BioResearch Inc., U. S. A.), and then asking the subject to report a satisfaction.
These measurings were performed in immediately, after 2 weeks and after 3 weeks of insertion of complete denture.
@ES The points were as follows;
@EN 1) There was no difference of masticatory performance between 30-degree teeth and lingualized teeth.
2) It was considered that lingualized teeth was similar to 30-degree teeth on EMG activity and mandibular movement pattern during chewing.
3) Occlusal contact area of lingualized teeth was 1/4 times than one of 30 degree teeth, but there was no difference of masticatory activity between two artificial teeth. It was considered that lingualized teeth was applicable occlusion type in
complete denture.
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