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Clinical and anatomical study of foramen locations in jaw bones and adjacent structures

机译：颌骨和邻近结构中孔径位置的临床和解剖学研究

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This study aims to find and locate foramens exactly in maxilla and mandible in case of complications during surgeries. Computer topographic angiography ( CTA ) images of 120 cases were reviewed. The measurements were performed on coronal, sagittal and axial planes after the 3 dimension volume reconstruction. The distances among foramens, bony landmarks, teeth, and facial artery were all measured with the angles as adjustments. The incisive foramen (IF) was measured 20.55 ± 2.81 mm to margo inferior of incisor, and 45.27 ± 5.27 degree from the axial midline. The greater palatine foramen located 43.17 ± 2.55 mm from the IF, while 21.08 ± 3.75 degree from the midline in axial plane. The lesser palatine foramina located 44.56 ± 5.74 mm from the IF and 20.05 ± 3.59 degree to the midline. The Mandibular foramen (MBF) was 91.15 ± 1.86 mm horizontally to the margo inferior of incisor. The angle that the MBF-margo inferior of incisor line made with the axial midline was 31.25 ± 2.89 degree. The shortest horizontal distance from the mental foramen (MF) to the facial artery in sagittal plane was 21.90 ± 1.86 mm, while it became 13.00 ± 2.05 mm in coronary section. The horizontal distance from the MF to the margo inferior of incisor in sagittal plane was 22.04 ± 3.22 mm. It turned out to be 25.78 ± 5.23 mm between MF and mid-sagittal line in coronary section. The vertical distance was 25.20 ± 3.06 mm from the upper margin of the second premolar to the MF. The foramens were clearly seen through CTA . Moreover, linear and angular measurements were presented, which makes it safer and wiser for surgeons to consider the biometric data before operations.
机译：本研究旨在在手术期间并发症的情况下，在颌骨中完全找到和定位阵容。综述了120例患者的计算机地形血管造影（CTA）图像。在3尺寸体积重建后对冠状，矢状和轴向平面进行测量。炮兵，骨骼地标，牙齿和面部动脉之间的距离都以角度为调整。精华粉末（IF）测量20.55±2.81mm至MARGO低劣的切口，轴向中线45.27±5.27度。距离IF的较大的腭孔43.17±2.55 mm，轴向平面中的中线21.08±3.75度。较小的腭孔距离If和20.05±3.59度为44.56±5.74 mm。下颌孢子（MBF）水平为91.15±1.86mm，与MARGO低于切牙。用轴向中线制造的切牙线的MBF-MARGO低于31.25±2.89度。从精神粉末（MF）到矢状平面的面部动脉的最短水平距离为21.90±1.86mm，冠状动脉段变为13.00±2.05毫米。从MF到矢状平面切入的MARGO的水平距离为22.04±3.22 mm。在冠状动脉部分的MF和中矢状线之间，它在MF和中矢状线之间致以25.78±5.23毫米。垂直距离从第二次磨牙的上部裕度到MF的上部边缘为25.20±3.06 mm。通过CTA清楚地看到粉刺。此外，提出了线性和角度测量，这使得外科医生能够在操作之前考虑生物识别数据更安全和更令人更令人更聪明。

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