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KMID : 0353320010250010075
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Oral Biology Research
2001 Volume.25 No. 1 p.75 ~ p.85
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Relationship between temporomandibular joint click and mandibular positions recorded by a newly developed intraoral tracer
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Abstract
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It is necessary to determine the physiologic centric relation when evaluating the occlusal condition of patient with a temporomandibular click. Several methods have been employed for the recording the centric relation. One of them is using the gothic arch tracer.
The purpose of this study was to record the border position, chewing position, and myocentric position using the newly developed intraoral tracer. For this purpose, 10 subjects with TMJ clicking sound and 10 subjects without TMJ clicking sound were selected among dental students with normal dentition and good occlusion.
The distances within the border position, chewing position and myocentric position in the clicking and non-clicking groups were measured on the horizontal recording plates of the intraoral device.
This study showed that newly developed intraoral tracer is reliable to determine various mandibular position on the same horizontal plate.
There was mo statistically significant difference between clicking group and non-clicking group as to distance measured from the border position to the chewing position and the myocentric position as well as from the chewing position to the myocentric position.
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