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논문 기본 정보

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학술저널
저자정보
Kang, Ju-Han (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Lee, Kook-Sun (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Oh, Min-Gyu (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Choi, Hwa-Young (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Lee, Sae-Rom (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Oh, Song-Hee (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Choi, Yoon-Joo (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Kim, Gyu-Tae (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Choi, Yong-Suk (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University) Hwang, Eui-Hwan (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University)
저널정보
대한영상치의학회 Imaging science in dentistry Imaging science in dentistry 제44권 제1호
발행연도
2014.1
수록면
53 - 60 (8page)

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Purpose: This study was performed to investigate the incidence and configuration of the bifid mandibular canal in a Korean population by using cone-beam computed tomography (CBCT) imaging. Materials and Methods: CBCT images of 1933 patients (884 male and 1049 female) were evaluated using PSR-9000N and Alphard-Vega 3030 Dental CT units (Asahi Roentgen Ind. Co., Ltd, Kyoto, Japan). Image analysis was performed by using OnDemand3D software (CyberMed Inc., Seoul, Korea). The bifid mandibular canal was identified and classified into four types, namely, the forward canal, buccolingual canal, dental canal, and retromolar canal. Statistical analysis was performed by using the chi-squared test and one-way analysis of variance (ANOVA). Results: Bifid mandibular canals were observed in 198 (10.2%) of 1933 patients. The most frequently observed type of bifid mandibular canal was the retromolar canal (n=104, rate: 52.5%) without any significant difference among the incidence of each age and gender. The mean diameter of the accessory canal was 1.27 mm (range: 0.27-3.29 mm) without any significant difference among the mean diameter of each type of the bifid mandibular canal. The mean length of the bifid mandibular canals was 14.97mm(range: 2.17-38.8 mm) with only a significant difference between the dental canal and the other types. Conclusion: The bifid mandibular canal is not uncommon in Koreans and has a prevalence of 10.2% as indicated in the present study. It is suggested that a CBCT examination be recommended for detecting a bifid canal.
#Cone-Beam Computed Tomography #Mandibular Nerve #Abnormalities #Radiography

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참고문헌 (23)

참고문헌 신청
Langlais RP / 1985 / Bifid mandibular canals in panoramic radiographs / J Am Dent Assoc 110:923~926 google schola Chavez-Lomeli ME / 1996 / The human mandibular canal arises from three separate canals innervating different tooth groups / J Dent Res 75:1540~1544 google schola Sanchis JM / 2003 / Bifid mandibular canal / J Oral Maxillofac Surg 61:422~424 google schola Nortjé CJ / 1977 / Variations in the normal anatomy of the inferior dental(mandibular)canal : a retrospective study of panoramic radiographs from 3612 routine dental patients / Br J Oral Surg 15:55~63 google schola Grover PS / 1983 / Bifid mandibular nerve as a possible cause of inadequate anesthesia in the mandible / J Oral Maxillofac Surg 41:177~179 google schola

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