Geometric accuracy of magnetic resonance imaging displaying the inferior alveolar nerve

doi:10.3969/j.issn.2095-4344.2014.24.012

Abstract

Abstract:

BACKGROUND: MRI makes up for a deficiency of X-ray and CT images in nerve imaging and can display inferior alveolar nerve clearly and directly.
OBJECTIVE: To assess the geometric accuracy of MRI displaying the inferior alveolar nerve.
METHODS: One fresh human cadaver head was scanned by MRI and CT after removing the soft tissue. The distances were measured between the second premolar and the first molar, the first molar and the second molar, the second molar and the third molar. After cutting the bilateral mandible on the same sites with a saw, the distances between inferior alveolar nerve and cortex were measured with a caliper. The data measured by MRI, CT and caliper were statistically analyzed for the t-test.
RESULTS AND CONCLUSION: The average distances measured by the three methods between inferior alveolar nerve and cortex were (4.894±1.692), (4.906±1.715) and (4.861±1.718) mm, respectively. There was no significant difference in the average distance among the three methods (P > 0.05). The geometric accuracy of MRI displaying the inferior alveolar nerve was good. It can provide experimental evidence for MRI application in preoperative imaging such as dental implant.

中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

全文链接：

Key words: magnetic resonance imaging, mandibular nerve, odontometry

CLC Number:

R318

Deng Wei, Huang Dai-ying, Chen Song-ling, Chen Jing-xin, Liao Tian-an . Geometric accuracy of magnetic resonance imaging displaying the inferior alveolar nerve[J]. Chinese Journal of Tissue Engineering Research, 2014, 18(24): 3840-3844.

Figures/Tables 1

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