分形分析和放射形态计量指数:吸烟者数字全景照片上下颌骨结构变化的比较

B. Çelik, Zeynep Betül Arslan
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引用次数: 0

摘要

目的:本研究旨在通过各种放射形态计量指数和分形维度(FD)分析,评估吸烟对下颌骨结构的影响。 材料和方法:这项回顾性研究共纳入 56 名患者(28 名吸烟者和 28 名非吸烟者)。在下颌骨的骨小梁中,选择了 8 个 45x45 像素的感兴趣区,并进行了分形维度分析。所有数字全景X光片均用于测量下颌骨指数和下颌骨皮质宽度。所有数值均在组间进行比较。利用 Shapiro-Wilk 检验和 Mann-Whitney U 检验对收集的数据进行评估。 结果下颌骨小梁中 ROI4 和 ROI8 的平均 FD 值在各组间存在显著统计学差异,但 ROI1、ROI2、ROI3、ROI5、ROI6 和 ROI7 的平均 FD 值在各组间无显著统计学差异。在 PMI 和 MCW 测量方面,组间差异无统计学意义(P > .05)。FD、PMI 和 MCW 测量的类内相关系数 (ICC) 值非常好。 结论吸烟者的精神孔前部和髁状突的骨小梁结构不同。皮质骨结构没有差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fractal analysis and radiomorphometric indices: comparison of mandibular bone structure changes on digital panoramic radiographs of smokers
Purpose: The purpose of the study was to assess how smoking affected the mandibular bone structure using a variety of radiomorphometric indices and fractal dimension (FD) analysis. Materials and methods: 56 patients (28 smokers and 28 non-smokers) were included in this retrospective study. In the trabecular bone of the mandible, eight areas of interest of 45x45 pixels were chosen, and fractal dimension analysis was carried out. All digital panoramic radiographs were used to measure the mandibular index and mandibular cortical width. All values were compared between groups. Utilizing the Shapiro-Wilk and Mann-Whitney U tests, collected data were evaluated. Results: There was a statistically significant difference between the groups in ROI4 and ROI8, but not in the mean FD values of ROI1, ROI2, ROI3, ROI5, ROI6 and ROI7 in the mandibular trabecular bone. No statistically significant differences between groups were seen for PMI and MCW measures (p > .05). The intraclass correlation coefficient (ICC) values for the FD, PMI and MCW measurements were excellent. Conclusion: The trabecular bone structures of the anterior of the mental foramen and the condyle were different in smokers. There was no difference in cortical bone structures.
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