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KMID : 0355619950210040566
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Journal of Korean Association of Oral and Maxillofacial Surgeons
1995 Volume.21 No. 4 p.566 ~ p.578
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A clinical study of masseter muscle hypertrophy treated by aesthetic contouring of mandibular angle
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Abstract
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7 patients of masseter muscle hypertrophy were operated on for aesthetic contouring of the prominent mandibular angle and/or resection of hypertrophic masseter muscle because of a cosmetic reason. The age of patients ranged from 19 to 30 years
involving
4 females and 3 males and a follow-up period from 2.5 to 1.2 years.
Masseter muscle hypertrophy is the physiologic condition which increases the size of the masseter muscle with bony enlargement of the mandibular angle. The most frequent complaint is asymptomatic swelling that has slowly enlarged over several
years,
especially a cosmetic problem. Clinical examination usually suggests palpable painless swelling in the mandibular angle. Radiographic examination, such as panoramic and cephalometric radiographs, ultrasonography, and Ctor MRI shows a hypertrophic
masseter muscle and prominent mandibular angle. The cause of masseter muscle hypertrophy is not clear, although several theories have been advanced. Masseter muscle hypertrophy is mainly is mainly treated surgically for the purpose of aesthetic
oontouring. In this article, a surgical mathod via an intraoral approach in facial bone contouring through the curved osteotomy of the prominent mandibular angle for correcting the prominent mandibular angle that is caused by a posterior
projection
and
lateral flaring of the gonial angle.
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