Evaluation of masticatory function following orthognathic surgical correction of mandibular prognathism. |
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| Authors: | Y Shiratsuchi K Kouno H Tashiro |
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| Affiliation: | First Dept. of Oral Surgery, Faculty of Dentistry, Kyushu University, Japan. |
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| Abstract: | Masticatory function was examined in 17 patients with mandibular prognathism before and after bilateral sagittal splitting osteotomy of the mandibular rami. Masticatory efficiency was measured by means of a spectrophotometer, using adenosine triphosphate (ATP) granules, the biting force and occlusal contact area. Masticatory functions showed a tendency to gradual improvement postoperatively. Concerning masticatory efficiency, mean values of absorbance of ATP granules in patients with mandibular prognathism were inferior to those of subjects who possess a normal occlusion, even 12 months after operation. |
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