Clinico-statistical Study of Jaw Deformities in Our Clinic for Past 10 Years
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概要
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A Clinical evaluation was carried out on 68 patients who underwent orthognathic surgery from 1981 for 10 years in the Second Department of Oral and Maxillofacial Surgery, Kagoshima University. The results were as follows:<BR>1. The male-female ratio was 1: 2.<BR>2. The average age was 20, 8 years.<BR>3. Mandibular prognathism was the most predominant diagnosis (66%). Ten (14%) out of 68 patient were accompanied with cleft palate.<BR>4. The extent of mandibular set back in sagittal splitting osteotomy was 10.5mm on the right side and 10.1mm on the left side in average.<BR>5. Excision on the tongue in patients with possible macroglossia. The excised areas were 274.2mm<SUP>2</SUP> in average (ranged from 180mm<SUP>2</SUP> to 400mm<SUP>2</SUP>).<BR>6. In sagittal splitting osteotomy, rigid fixation by use of metal or sapphire screws were employed with the maneuver for repositioning the mandibular condyle. In Le Fort I osteotomy, iliac bone graft and fixation with a miniplate and zygomatic suspension were employed.<BR>7. The operation time for sagittal splitting mandiblectomy was 5hr. 41min. in average (ranged from 3hr. 12min. to 8hr. 26min.), and in bimaxillary osteotomy was 7hr. 12min. in average (ranged from 7hr. 17min. to 9hr.58min.).<BR>8. The mean blood loss was 537.2ml in the sagittal splitting mandiblectomy (ranged from 114m1 to 2140ml), 1041ml in bimaxillary surgery (ranged from 494ml to 2910ml).<BR>9. The routine period of intermaxillary fixation in our department was 14 days for sagittal splitting mandiblectomy, and 21 days for Le Fort I osteotomy.
- 特定非営利活動法人 日本顎変形症学会の論文
特定非営利活動法人 日本顎変形症学会 | 論文
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