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JYMS : Journal of Yeungnam Medical Science

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HOME > J Yeungnam Med Sci > Volume 6(2); 1989 > Article
Original Article A Case Report of Correction of Mandibular Prognathism by Intraoral Oblique Splitting Osteotomy of Mandibular Rami.
Hui Dae Park, Kee Young Doe, Yun Ho Bae, Sang Kill Byun, Byung Rho Chin, Hee Keung Lee
Journal of Yeungnam Medical Science 1989;6(2):183-194
Published online: December 31, 1989
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This is a report of 2-cases of mandibular prognathism corrected by Intraoral oblique splitting osteotomy of mandibular rami. The Intraoral oblique splitting osteotomy is a modification of sagittal split osteotomy of ramus and it is documented by Yoshida, on 1985. By this method, authors obtained the following results. 1. The patients' esthetic, psychological and functional problems were dissolved by setback of mandibular prognathism. 2. The postoperative infection splitted bone segments fracture, paresthesia of the face and T.M.J. dysfunction were not appeared. 3. Postoperative intermaxillary fixation was maintained for 8 weeks. The patients could open their mouths in normal range after a week of intermaxillary fixation removal. 4. The soft tissue changes of lower lip and chin were about 1:1 to the hard tissue changes. 5. During intermaxillary fixation period and postoperative orthodontic treatment, slight relapse was observed. Now, the patients are under postoperative orthodontic treatment.

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JYMS : Journal of Yeungnam Medical Science