Analysis of palatal marginal alveolar exostosis and palatal torus using cone-beam computed tomography.

IF 1.8 3区医学 Q2 ANATOMY & MORPHOLOGY

Journal of Anatomy Pub Date : 2024-10-08 DOI:10.1111/joa.14153

Alexandre Pena Corrêa Bittencourt, Alexandre Meireles Borba, Ivan Onone Gialain, Luiz Evaristo Ricci Volpato

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Abstract

The aim of the present study was to analyze palatal marginal alveolar exostosis (PMAE) and palatal torus (PT). Cone-beam computed tomography (CBCT) of the maxilla in multiplanar sections and volumetric renderings were used to assess this. PT and PMAE were classified according to location and morphology. Height, width, length, and thickness of the overlying mucosa were determined. The prevalence of PT and PMAE was assessed according to sex and age group. The correlation between the occurrence of PMAE and PT was also evaluated. A total of 385 CBCT scans were examined. PT was found in 38.70% of the sample and located more frequently in the middle third of the maxilla (52.35%) with a flat shape (42.95%). PMAE was found in 54.80% of the sample, bilaterally in 56.40% of the cases, and located more frequently in the molar region (62.42%) in the form of small nodules (36.97%). The mucosa covering PMAE was generally thicker than that over PT. The use of CBCT for the identification of PT and PMAE in vivo showed high frequencies of both conditions. The occurrence of PMAE was independent of the presence of PT.

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利用锥束计算机断层扫描分析腭边缘齿槽外突和腭环。

本研究旨在分析腭边缘牙槽外突（PMAE）和腭环（PT）。上颌骨锥形束计算机断层扫描（CBCT）的多平面切面和容积渲染图用于评估。根据位置和形态对 PT 和 PMAE 进行分类。确定了上覆粘膜的高度、宽度、长度和厚度。根据性别和年龄组来评估 PT 和 PMAE 的患病率。此外，还评估了 PMAE 和 PT 发生率之间的相关性。共对 385 例 CBCT 扫描进行了检查。在 38.70% 的样本中发现了 PT，且多位于上颌骨的中间三分之一（52.35%），形状扁平（42.95%）。54.80%的样本中发现了 PMAE，56.40%的病例为双侧，多位于磨牙区（62.42%），呈小结节状（36.97%）。覆盖 PMAE 的粘膜一般比覆盖 PT 的粘膜厚。使用 CBCT 对 PT 和 PMAE 进行活体鉴定显示，这两种情况的发生率都很高。PMAE 的发生与 PT 的存在无关。

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

Journal of Anatomy 医学-解剖学与形态学

CiteScore

4.80

自引率

8.30%

发文量

183

审稿时长

4-8 weeks

期刊介绍： Journal of Anatomy is an international peer-reviewed journal sponsored by the Anatomical Society. The journal publishes original papers, invited review articles and book reviews. Its main focus is to understand anatomy through an analysis of structure, function, development and evolution. Priority will be given to studies of that clearly articulate their relevance to the anatomical community. Focal areas include: experimental studies, contributions based on molecular and cell biology and on the application of modern imaging techniques and papers with novel methods or synthetic perspective on an anatomical system. Studies that are essentially descriptive anatomy are appropriate only if they communicate clearly a broader functional or evolutionary significance. You must clearly state the broader implications of your work in the abstract. We particularly welcome submissions in the following areas: Cell biology and tissue architecture Comparative functional morphology Developmental biology Evolutionary developmental biology Evolutionary morphology Functional human anatomy Integrative vertebrate paleontology Methodological innovations in anatomical research Musculoskeletal system Neuroanatomy and neurodegeneration Significant advances in anatomical education.