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KMID : 0355219850090010139
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Journal of Korean Academy Oral Medicine
1985 Volume.9 No. 1 p.139 ~ p.146
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A STUDY OF BITE FORCE OF THE PATIENTS WITH TMJ DYSFUNCTION.
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Abstract
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A Kinematical study of bite force during voluntary isometric contraction was investigated in 20 Korean women with TMJ dysfunction and 50 Korean women as normal subject, ranging from 19 to 29 years old.
The author observed maximal bite force, slope of bite force graph, curve index and duration of maximal bite force by way of the foil strain gauge (MPM-5000) and Dymograph (Beckman). The obtained results were as follows;
1. Maximal bite forces were 26.48kg and 21.38kg for left and right side of normal subject and
12.85kg and 20.70kg for affected and non-affected side of TMJ dysfunction patient.
2. The slopes of bite force graph were 64.69° and 63.83° for left and right side of normal subject
and 53.14° and 69.57° for affected and non-affected side.
3. The curve indexes were 0.54 and 0.80 for left and right side of normal subject and 2.30 and 0.60 for affected and non-affected side.
4. The duration of maximal bite force were 383.12 msec and 393.60 msec for left and right side of normal subject and 345.40 msec and 312.25 msec for affected and non-affected side.
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KEYWORD
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