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논문 기본 정보

자료유형
학술저널
저자정보
JuHyon Lee (Department of Oral and Maxillofacial Surgery College of Dentistry Ju) Nara Kang (Department ofKunkuk University Medical) 문영미 (Daejeon Dental Hospital Wonkwang Univer) 방은경 (이화여자대학교)
저널정보
대한악안면성형재건외과학회 Maxillofacial Plastic Reconstructive Surgery Maxillofacial Plastic Reconstructive Surgery 제38권 제1호
발행연도
2016.1
수록면
1 - 4 (4page)
DOI
10.1186/s40902-015-0045-x

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Background: This study aimed to investigate the distribution and prevalence of intraosseous loop (anastomosisbetween posterior superior alveolar artery and infraorbital artery) in Koreans detected on computed tomography(CT) images taken prior to sinus augmentation surgery. Methods: From the 177 patients who underwent sinus augmentation with lateral approach at Ewha WomansUniversity Department of Implant Dentistry, 284 CT scans were evaluated. The canal height (CH), ridge height (RH),and canal height from the sinus floor (CHS) were measured on para-axial views at the first premolar, first molar, andsecond molar. The horizontal positions of the bony canals in the lateral wall were also classified. One-way analysis ofvariance (ANOVA) and t test were used to estimate the statistical differences (p < 0.05). Results: The intraosseous loops were detected in 92 CT scans (32 %). The mean vertical height of the bonycanals from the alveolar crest (CH) was 23.45 ± 2.81, 15.92 ± 2.65, and 16.61 ± 2.92 mm at the second premolar, firstmolar, and second molar, respectively. In the horizontal positions of the bony canals, intraosseous type was the mostpredominant. The canal heights more than 15 mm and less than 17 mm were most prevalent (33.7 %) and thoseunder 13 mm were 12.0 %. Conclusions: The radiographic findings in this study could be used to decide the lateral osteotomy line avoidingpotential vascular complication. However, only one third of the canals could be detected in CT scans; a precautionshould be taken for the possibility of severe bleeding during lateral osteotomy

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