Sex dependent differences of temporomandibular condylar bone mineral density distribution.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2025-03-01 Epub Date: 2022-10-27 DOI:10.1080/08869634.2022.2137131

Paul J Kim, Zachary Skabelund, Sonya Kalim, Christine H Lee, Nathan Kim, Kristen Nguyen, Hany Emam, Lisa Knobloch, Toru Deguchi, Minji Kim, Do-Gyoon Kim

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Abstract

Objective: The objective of this study was to examine whether bone mineral density (BMD) distribution in the mandibular condyle and facial morphology are associated with temporomandibular joint osteoarthritis (TMJ OA) using clinical cone beam computed tomography (CBCT) images.

Methods: CBCT images of 35 adults (16 male and 19 female) were examined to obtain TMJ OA counts, cephalometric analyses, and histograms of gray values that are proportional to BMD. Mean, standard deviation (SD), and low and high gray values at the 5th and 95th percentiles (Low₅ and High₅) of the histograms were measured.

Results: The female group had significantly higher values of TMJ OA counts, mean, and SD on the right mandibular condyle, High₅ on both sides, and all gray value parameters for total (right + left) than the male group.

Conclusion: Comprehensive analysis of BMD distribution in the mandibular condyle can provide useful information for prognosis of TMJ OA.

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颞下颌髁状突骨矿密度分布的性别差异。

研究目的本研究旨在利用临床锥形束计算机断层扫描（CBCT）图像，研究下颌髁状突的骨矿密度（BMD）分布和面部形态是否与颞下颌关节骨关节炎（TMJ OA）有关：对 35 名成人（16 名男性和 19 名女性）的 CBCT 图像进行检查，以获得颞下颌关节 OA 计数、头颅测量分析以及与 BMD 成比例的灰度值直方图。测量了直方图的平均值、标准差（SD）以及第 5 个和第 95 个百分位数（Low5 和 High5）的低灰度值和高灰度值：结果：女性组的颞下颌关节 OA 计数、平均值和右下颌髁状突的 SD 值、两侧的 High5 值以及所有灰度值参数（右侧 + 左侧）均明显高于男性组：结论：全面分析下颌骨髁状突的 BMD 分布可为颞下颌关节 OA 的预后提供有用信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.