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KMID : 0362419940320040565
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Journal of Korean Academy of Prosthodontics
1994 Volume.32 No. 4 p.565 ~ p.572
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The study of the effect of dental arch form on chewing movement (III. The prosthetic considerations about the classification of dental arch form)
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Jo Byung-Woan
Kim Jong-Pil
Jang Heun-Su
Ahn Sang-Hun
Ahn Jae-Jin
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Abstract
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According to the classification of dental arch form and the analysis of patterns of chewing movement, the patterns of chewing movement in each group were evaluated and compared with those of the normal group. @ES Results were summarized as follows: @EN 1. Opening phase in chewing movement In the group which the maxillary second molar positionsbuccal side, the chewing patterns which have the Vertical Guide Openings in frontal plane, the Posterior Guide Openings in hjorizontal plane were observed. In the group which the maxillary premolars position lingual side, the chewing paterns which have the Protrusive Shift Openings in horizontal plane and sagittal plane were observed. 2. Closing phase in chewing movement In each group except for the normal group, the chewing patterns which have the Concave Closure in frontal plane and in horizontal plane were observed. In the group which the maxillary premolars position buccal side, the chewing patterns which have the I ateral Guide Closure in frontal plane and in horizontal plane, the Vertical Guide Closre in sagittal plane were observed. From the results, as the characteristics of the dental arch form have appeared in chewing movement, the close relationships were found between dental arch form and chewing movement. It is suggested that the evaluation of dental arch form is effective in the diagnosis of function of stomatognathic system.
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