하악 전돌증 환자의 하악골 후방이동술후 설골, 혀 및 기도량 변화에 대한 연구

• 영문명: A CEPHALOMETRIC STUDY ON CHANGES IN PHARYNGEAL AIRWAY SPACE, TONGUE AND HYOID BONE POSITIONS FOLLOWING THE SURGICAL CORRECTION OF MANDIBULAR PROGNATHISM
• 발행기관: 대한구강악안면외과학회
• 저자명: 박봉욱(Bong Wook Park)김종렬(Jong Ryoul Kim)
• 간행물 정보: 『대한구강악안면외과학회지』대한구강악안면외과학회지 제26권 제2호, 164~171쪽, 전체 8쪽
• 주제분류: 의약학 > 내과학
• 파일형태: PDF
• 발행일자: 2000.04.30

영문 초록

Purpose : This study was aimed at measuring the changes in the hyoid bone position, tongue position, and pharyngeal airway space in subjects with mandibular setback osteotomies. Methods : Twenty patients were evaluated retrospectively for their changes in pharyngeal airway space, tongue and hyoid bone positions. All patients underwent surgical mandibular setback using bilateral sagittal split osteotomies. The cephalometric analysis was performed preoperatively, and 1 week, 3-6 months, and 1 year postoperatively. Result : The hyoid bone moved inferiorly and posteriorly immediately after surgery, and it returned to the preoperative position during follow-up period. The nasopharyngeal airway space was not significantly changed after surgery. A considerable decrease in the oropharyngeal and hypopharyngeal airway spaces following mandibular setback surgery was found. The upper and lower tongue was posteriorly repositioned immediately after surgery. During follow-up period, the hypopharyngeal airway space and lower tongue posture returned to the preoperative positions, but the oropharyngeal airway space and upper tongue posture were not significantly changed. The position of pogonion remarkably changed to backward immediately after surgery, but slightly anterior advancement was found during follow-up period. Conclusion : Immediately after mandibular setback surgery, the oropharyngeal and hypopharyngeal airway spaces obviously decreased due to posterior and inferior repositions of the tongue and hyoid bone. During follow-up period, lower tongue and hyoid bone returned to the preoperative positions, it was related to advancement of the pogonion in this period. The narrowing of the oropharyngeal airway space and posterior movement of the upper tongue posture were relatively permanent after mandibular setback surgery. We suspected this phenomenon had an influence on maintaining the total volume of oral cavity against mandibular setback.

목차

Abstract

Ⅰ. 서론

Ⅱ. 연구대상 및 방법

Ⅲ. 연구결과

Ⅳ. 총괄 및 고찰

Ⅴ. 결론

참고문헌

키워드

Tongue position Hyoid bone position Pharyngeal airway space