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首页> 外文期刊>Journal of Veterinary Dentistry >Localization of the Mandibular Canal in Brachycephalic Dogs Using Computed Tomography
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Localization of the Mandibular Canal in Brachycephalic Dogs Using Computed Tomography

机译：使用计算机断层扫描的丘脑肛门犬下颌管的定位

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For some surgical procedures in veterinary dentistry including exodontia, orthognathic surgery, orthopedic surgery, oncologic surgery, and for the placement of dental implants, it is important to know the accurate location of the neurovascular structures within the mandibular canal. The aim of this research was to determine the course of the mandibular canal in the mandible and its relationship with other anatomical structures in brachycephalic dogs using computerized tomography. Mandibles from 10 brachycephalic cadaver dogs were evaluated. Measurements were taken in relation to the lingual, vestibular, alveolar crest, and ventral surfaces. These measurements indicated that the mandibular canal descends slightly from the mandibular foramen to the molar area, decreasing the distance of the mandibular canal from the mandibular ventral border. The mandibular canal is slightly closer to the lingual surface than the vestibular surface except in the molar tooth region. The mandibular canal continues in arostral direction occupying the ventral region of the mandibular body, reaching its maximum distance from the alveolar crest at the level of the first molar and fourth premolar teeth. In the third and fourth premolar tooth region, the mandibular canal maintains a similar distance between the vestibular and lingual borders; then, at the level of the second premolar tooth, the distance of the mandibular canal from the lingual and ventral border increases before its termination at the mental foramen. Thestudy reported here documents the feasibility of using CT to determine the location of the mandibular canal in relation to bony and dental parameters. Although the difference in mandible size of the group of brachycephalic dogs reported here resulted inbroad ranges of measurements, it is clear that the MC course may vary between individual dogs.
机译：对于兽医牙科的一些外科手术，包括Exodontia，矫正手术，整形外科手术，肿瘤手术和牙科植入物的放置，了解下颌管内神经血管结构的准确位置。该研究的目的是确定下颌管中下颌管的过程及其与使用计算机层析成像的丘脑肛门犬的其他解剖结构的关系。评估了来自10只Brachycephalic Cadaver狗的下颌骨。涉及舌，前庭，肺泡嵴和腹面的测量。这些测量表明，下颌管略微从下颌孢子略微下降到摩尔面积，从下颌腹边界下降下颌管的距离。除臼齿区域外，下颌管略近于前庭表面。下颌管仍在占用下颌体的腹侧腹部腹部方向，从第一摩尔和第四磨牙牙齿的水平达到其距肺泡嵴的最大距离。在第三和第四婚牙区域中，下颌管在前庭和舌边缘之间保持类似的距离;然后，在第二婚牙的水平下，下颌管与舌侧边界的距离在心理粉末终止之前增加。本文报告了在这里记录了使用CT来确定下颌管的位置与骨骼和牙科参数相关的可行性。虽然在这里报告的丘脑肺癌组的下颌骨尺寸的差异导致了衡量的测量范围，但很明显MC课程可能因各个狗而变化。

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