Journal of the Korean Association of Oral and Maxillofacial Surgeons

  • 제28권2호
  • /
  • Pages.126-131
  • /
  • 2002
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  • 2234-7550(pISSN)
  • /
  • 2234-5930(eISSN)
대한구강악안면외과학회 (The Korean Association of Oral and Maxillofacial Surgeons)
권호 표지

악교정 수술을 위한 한국인 하악지의 해부학적 위치에 관한 연구

A STUDY OF MANDIBULAR ANATOMY FOR ORTHOGNATHIC SURGERY IN KOREANS

  • 우순섭 (한양대학교 의과대학 치과학교실) ;
  • 조정연 (한양대학교 의과대학 치과학교실) ;
  • 박원희 (한양대학교 의과대학 치과학교실) ;
  • 유임학 (한양대학교 의과대학 치과학교실) ;
  • 이영수 (한양대학교 의과대학 치과학교실) ;
  • 심광섭 (한양대학교 의과대학 치과학교실)
  • Woo, Soon-Seop (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Cho, Jung-Yeon (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Park, Won-Hee (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Yoo, Im-Hag (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Lee, Young-Soo (Dept. of Dental Surgery, Medical College of Hanyang University) ;
  • Shim, Kwang-Sup (Dept. of Dental Surgery, Medical College of Hanyang University)
  • 발행 : 2002.04.30
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초록

Anatomical shape of the mandibular ramus, which includes the area from the rear of the mandibular second molar to the mandibular posterior border and from the mandibular sigmoid notch to the inferior mandibular border, must be carefully considered to perform orthognathic surgery. The locations of the lingula and mandibular foramen in medial side of mandibular ramus are one of the most important factors to decide the location of the horizontal medial osteotomy in sagittal split ramus osteotomy and to select the line of vertical osteotomy in intraoral vertical ramus osteotomy. Sixty-five different Korean human dry mandibles were surveyed. All mandible have permanent dentition including complete eruption of the mandibular second molar. The locations of the lingula and mandibular foramen in medial side of the ramus were identified and following results were obtained. Anterior ramal horizontal distance from lingula was $16.13{\pm}3.53mm(range:8.6{\sim}24.3mm)$, anterior ramal horizontal distance from mandibular foramen was $23.91{\pm}4.79mm(range: 14.1{\sim}39.7mm)$, horizontal width of mandibular foramen was $2.79{\pm}0.95mm(range:1.5{\sim}6.1mm)$, height of lingula was $10.51{\pm}3.84mm(range:3.1{\sim}22.4mm)$, vertical distance from sigmoid notch to lingula was $19.82{\pm}5.11mm(range:9.1{\sim}35.3mm)$. From this study, the result could be used to select the location of osteotomy lines and to decide amount of periosteal elevation to avoid injury of neurovascular bundle, and to accomplish the appropriate split in Korean patients in mandibular orthognathic surgery.

키워드

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