하악전돌증 환자의 악교정수술 후 안정성과 혀 위치, 설골 위치 및 상기도 크기 변화간의 관계

• 영문명: The relationships between the postoperative stability and the changes in the tongue position, the hyoid bone position and the upper airway size after orthognathic surgery in patients with mandibular prognathism
• 발행기관: 대한치과교정학회
• 저자명: 진경수(Kyeong-Su Chin) 손우성(Woo-Sung Shon)
• 간행물 정보: 『The Korean Journal of Orthodontics』제23권 제4호, 693~705쪽, 전체 13쪽
• 주제분류: 의약학 > 기타의약학
• 파일형태: PDF
• 발행일자: 1993.12.31

영문 초록

The purpose of this study was to investigate the functional adaptation of the tongue, the hyoid bone, the digastric muscle and the upper airway and the variables predicting postoperative stability following orthognathic surgery in patients with mandibular prognathism. 18 patients were selected(8 men and 10 women) for this study, who had received orthognathic surgery. Their lateral cephalograms, those were taken preoperatively, immediate postoperatively and over 6 months follow-up, were traced and analysed. The results were as follows : 1. The downward displacement of the hyoid bone and extended head posture were recognized, right after operation. Statistically significant correlations were found between the changes of the mandibular position and the digastric muscle and the change of head posture during operation. 2. The tongue was displaced downward following the hyoid displacement postoperatively. Statistically significant correlations were found between the change of the mandibular position and the change of the distance of the tongue and hard palate, and between the change of head posture and the changes of the upper airway sizes, the digastric muscle and the hyoid position during over 6 month´s follow-up. 3. The change of the distance of the tongue and hard palate was the most significant factor for prognosis during over 6 month´s follow-up. 4. There were no variables before operation to predict the postoperative stability and the constriction of the upper airway.

키워드

Hyoid orthognathic surgery mandibular prognathism