下颌管与下颌解剖标志的三维解剖分析在下颌神经阻滞麻醉中的应用。
Three-dimensional anatomic analysis of mandibular foramen with mandibular anatomic landmarks for inferior alveolar nerve block anesthesia.
机构信息
Department of Oral and Maxillofacial Surgery, National Health Insurance Corporation, Ilsan Hospital, Ilsandong-gu, Goyang, Gyeonggi-do, 411-719, Republic of Korea.
出版信息
Oral Surg Oral Med Oral Pathol Oral Radiol. 2013 Jun;115(6):e17-23. doi: 10.1016/j.oooo.2011.10.038. Epub 2012 Jul 6.
OBJECTIVE
We sought to standardize 3-dimensional anatomic positioning of the mandibular foramen (MnF) for inferior alveolar nerve block anesthesia.
STUDY DESIGN
Three-dimensional mandibular computerized tomography (CT) images were reconstructed from data for 49 patients aged 8-16 years (growth group) and 59 patients aged 18-25 years (adult group). To measure MnF position, we defined 5,6 as the superior contact point between the mandibular first molar and second premolar and 5,6 MnFP as the point on the MnF plane intersecting 5,6 at a right angle. The MnF plane passed through the MnF and parallel to the occlusal plane.
RESULTS
In the growth group, the distance from the MnF to the anterior ramus increased with age, as did distance from the gonion to MnF.
CONCLUSIONS
Measurements correlated significantly with age in the growth group. Needle insertion at an obtuse angle in the MnF plane from the contralateral first molar is appropriate for inferior alveolar nerve block anesthesia.
目的
我们旨在对下颌孔（MnF）进行三维解剖定位，以用于下牙槽神经阻滞麻醉。
研究设计
从 49 名 8-16 岁（生长组）和 59 名 18-25 岁（成年组）患者的下颌计算机断层（CT）图像中重建了三维下颌图像。为了测量 MnF 的位置，我们将下颌第一磨牙和第二前磨牙之间的上接触点定义为 5,6，并将 MnF 平面上与 5,6 相交成直角的点定义为 5,6MnFP。MnF 平面穿过 MnF 并与咬合平面平行。
结果
在生长组中，随着年龄的增长，MnF 到下颌支前缘的距离以及下颌角到 MnF 的距离都增加了。
结论
生长组的测量值与年龄显著相关。从对侧第一磨牙的 MnF 平面以钝角插入针，适用于下牙槽神经阻滞麻醉。
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