이열 하악관(Bifid Mandibular Canal): 방사선적 소견과 임상적 의의 -증례보고-

이현우; 김여갑; 이백수; 권용대; 최병준; 김영란

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저자정보: 이현우 (경희대학교 치의학전문대학원 부속치과병원 구강악안면외과) 김여갑 (경희대학교 치의학전문대학원 부속치과병원 구강악안면외과) 이백수 (경희대학교 치의학전문대학원 부속치과병원 구강악안면외과) 권용대 (경희대학교 치의학전문대학원 부속치과병원 구강악안면외과) 최병준 (경희대학교 치의학전문대학원 부속치과병원 구강악안면외과) 김영란 (경희대학교 치의학전문대학원 부속치과병원 구강악안면외과)

저널정보: 대한치과마취과학회 Journal of dental anesthesia and pain medicine Journal of dental anesthesia and pain medicine 제9권 제1호

발행연도: 2009.1

수록면: 24 - 29 (6page)

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When performing the inferior alveolar nerve block anesthesia, surgeon often faced a difficulty of the surgical operation due to the incomplete anesthesia. One of the reason is the variety of mandibular canal anatomy. Up to now, there are some reports of index cases about bifid mandibular canal among mandibular canal anatomic variation, and some classification is applied according to anatomical location and configuration. When surgical operation is performed involving mandible such as dantal implant treatment, extraction of an impacted third molar, sagittal split ramus osteotomy, etc, the position of mandibular canal should be considered. Bifid mandibular canal clinically causes troublesome cases of anesthesia when inferior alvelor nerve block, especially is performed extraction of an impacted third molar. Therefore, It is important for clinicians to recognize the presence of bifid canals on radiographys. Nowadays, the position of mandibular canal can be measured precisely by using Dental CT. It is not found by panorama image but is found by Dental CT sometimes. Among the patients, which take panorama and Dental CT simultaneously, for tooth extraction of lower impacted third molar in our department, we report the case that did not identifying in panorama but identifying it in Dental CT.

#Bifid mandibular canal #Dental CT #Inferior alveolar nerve #Mandibular nerve #Panorama imagetal treatment

참고문헌 (14)

참고문헌 신청

Auluck A / 2005 / Trifid mandibular nerve canal / Dentomaxillofac Radiol 34:259

Auluck A / 2007 / Multiple mandibular nerve canals: Radiographic observations and clinical relevance / Quintessence International 38:781~787

Chavez-Lomeli ME / 1996 / The human mandubular canal arises from three separates canals innervating different tooth group / J Dent Res 75:1540~1544

Claeys V / 2005 / Bifid mandibular canal: Literature review and case report / Dentmaxillofac Radiol 34:55~58

Epker BN / 1984 / Vascular consideration in orthognathic surgery. I. mandibular osteotomies / Oral Surg Oral med Oral Pathol 57:467~472

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