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KMID : 1004520100260020169
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Journal of Dental Rehabilitation and Applied Science
2010 Volume.26 No. 2 p.169 ~ p.178
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Effect of Increase in Occlusal Vertical Dimension on Appendage Muscle Strength
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Ahn Su-Jin
Lee Sung-Bok
Lee Suk-Won
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Abstract
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Objective: This study was conducted to observe the effect on appendage muscle strength according to increase in occlusal vertical dimension.
Materials and Methods : Ten males with a mean age of 21 were selected. The tested occlusal splints were made at the position of increased occlusal vertical dimension of 2mm,3.5mm and 5mm from the intercuspal position. Before and
after wearing occlusal splints, the appendage muscle strength were tested by Cybex II dynamometer (Lumex Inc.,
Ronkonkoma, NY, USA).
Results:Statistical analysis using the paired t-test revealed significant differences for flexion and extension of the hip, pronation of the forearm, internal rotation of the shoulder, external and internal rotation of the knee, and dorsiflexion
and plantarflexion of the ankle (p<0.05).
Conclusions: As the result of this study, we conclude that when occlusal vertical dimension was increased, most of mean muscular strength values were increased. Especially at the position of 3.5mm increased vertical dimension displayed the highest mean muscular strength value than other positions.
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KEYWORD
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appendage muscle strength, occlusal splint, occlusal vertical dimension, sports dentistry, temporomandibular joint
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