锥形束计算机断层对下颌管解剖变异的评价

Shirin Pazhuhandeh, H. Momeni, S. Etemadi, Arman Ebrahimi
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引用次数: 0

摘要

下牙槽管是牙科种植体领域的重要解剖结构,锥束计算机断层扫描(CBCT)是一项重要的诊断技术。本研究的目的是评估CBCT图像中观察到的下颌管解剖变异的普遍性。材料与方法:在这项描述性分析研究中,对192名患者的384个下牙槽管进行了评估,这些患者于1996年被转诊到伊斯法罕阿扎德大学放射科进行锥形束计算机断层扫描。通过x线片评估不同性别上下位置、舌后位置、总管形状的左右下颌管分离频率。对现有的下颌塞管的频率和不同类型进行了评估。数据分析采用卡方检验、独立T检验、配对T检验。(p < 0.05)。结果:下颌管占下位的2.1%,上位的11.9%,中位的86%。根管位置与性别的频率分布差异有统计学意义(p值= 0.004)。下颌双裂管的患病率为14.8%。一般通道的形状与性别之间没有显著的关系。下颌磨牙和支牙离颊皮质的平均距离随受试者性别和侧方的差异无统计学意义(p值< 0.05)。结论:大多数受试者下颌管在中间位置右侧出现频率最高。左右两侧拉莫斯区、磨牙区下颌骨管距颊皮质的平均距离男女无显著差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of Anatomical Variations of Mandibular Canal through Cone Beam Computed Tomography
Introduction: The inferior alveolar canal is an important anatomical structure in the field of dentistry implants and cone beam computed tomography (CBCT) is an important diagnostic technique. The aim of this study was to evaluate the prevalence of anatomical variations of the mandibular canal observed in CBCT images. Materials & Methods: In this descriptive-analytic study 384 inferior alveolar canals were evaluated in 192 patients, who were referred to the radiology department of Isfahan Azad University in 1396 for a cone- beam computed tomography. Radiographs were performed to assess the frequency of different left and right mandibular canal segregations by sex in terms of upper and lower position, baccolingual position, shape of the general canal. The frequency and different types of existing mandibular plug canals were also evaluated. Data were analyzed by Chi Square, independent T Test, paired t-test. (p value < 0.05). Results: The mandibular canal was 2.1% of the lower position, 11.9% of the upper position and 86% of the middle position. Statistically significant differences were observed between the frequency distributions of canal positions and gender (p value = 0.004). The prevalence of Bifid mandibular canals was 14.8%. There was no significant relationship between the shape of the general channel path and gender. There was no significant difference between the mean distance between the mandibular canal and the buccal cortex in both Molar and Ramus with the sex of the subjects and the side of the canal (p value < 0.05). Conclusion: The highest frequency of mandibular canal in most subjects was on the right in the intermediate position. The mean distance between mandibular canal and buccal cortex in Ramos and Molars area on both right and left sides was not significantly different between men and women.
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