Madiraju Guna Shekhar, Mahabob Nazargi, Bello Sanusi Mohammad
Department of Preventive Dental Sciences, Faculty of Dentistry, King Faisal University, Al Ahsa, Saudi Arabia.
Department of Oral Maxillofacial Diagnostic Sciences, Faculty of Dentistry, King Faisal University, Al Ahsa, Saudi Arabia.
J Pharm Bioallied Sci. 2021 Nov;13(Suppl 2):S1717-S1722. doi: 10.4103/jpbs.jpbs_356_21. Epub 2021 Nov 10.
This study evaluated the position of the mandibular foramen (MF) with regard to the occlusal plane (OP) and the anterior border (AB) of the mandibular ramus (AB) in a sample of 7-12-year-old Saudi children using cone-beam computed tomography (CBCT) images.
In this descriptive, observational study, 155 CBCT scans were selected and analyzed for positional changes in the MF. Reconstructed panoramic and axial sections were used to measure the MF-OP and MF-AB distances, respectively, on both the right and left sides of the mandible. Data were analyzed using paired -test, independent -test, one-way analysis of variance, and Tukey's honest significant difference tests where applicable, at a significance level of < 0.05.
The mean distance of MF from the AB of the ramus was 14.68 mm, with no significant differences between the genders ( > 0.05). The MF moved upward from a position below the OP to above it, according to age in both males and females, and the difference between the age groups was significant ( < 0.05). No significant differences ( < 0.05) in the mean values of distances between the right and left sides of the mandible were seen.
The location of the MF varies with respect to age and should be considered while administering inferior alveolar nerve block in children to achieve a more effective anesthesia.
本研究使用锥形束计算机断层扫描（CBCT）图像，评估了7至12岁沙特儿童样本中下颌孔（MF）相对于咬合平面（OP）和下颌支前缘（AB）的位置。
在这项描述性观察研究中，选择了155例CBCT扫描并分析MF的位置变化。分别使用重建的全景和轴向截面测量下颌骨左右两侧的MF - OP和MF - AB距离。在适用的情况下，使用配对t检验、独立t检验、单因素方差分析和Tukey真实显著性差异检验对数据进行分析，显著性水平为<0.05。
MF与下颌支前缘的平均距离为14.68 mm，男女之间无显著差异（>0.05）。根据年龄，男性和女性的MF均从OP下方的位置向上移动至OP上方，年龄组之间的差异具有显著性（<0.05）。下颌骨左右两侧距离的平均值未见显著差异（<0.05）。
MF的位置随年龄而变化，在对儿童进行下牙槽神经阻滞麻醉时应予以考虑，以获得更有效的麻醉效果。
