Performance of cone-beam computed tomography filters for detection of temporomandibular joint osseous changes
Performance of cone-beam computed tomography filters for detection of temporomandibular joint osseous changes
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DOI：
10.1007/s11282-014-0192-2
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发表时间：
2015-05-01
期刊：
影响因子：
2.2
通讯作者：
Devito, Karina Lopes
中科院分区：
文献类型：
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作者：
Verner, Francielle Silvestre;Portella Guedes Visconti, Maria Augusta;Devito, Karina Lopes
颞下颌关节（TMJ）是一个复杂的解剖结构，其骨表面可发生多种形态学改变。本研究旨在评价锥形束CT滤波器对检测TMJ表面骨质变化的影响，以验证评价该区域的最佳条件。Angio_Sharpen_High 5 x 5（F3）;和Smooth（F4）。两名口腔放射科医生根据骨改变的存在对图像进行分类。还对图像质量评估进行了评分。采用McNemar’s检验对每种骨质变化进行两两比较，采用Kruskal-Wallis检验对所有滤波图像的图像质量进行比较。关于关节隆起，所有滤器与F3之间的硬化存在显著差异（P < 0.05）。没有图像被认为不足以诊断。F1和F2显示“良好诊断条件”的频率最高，而F3显示“较差诊断条件”的频率最高，F3的应用显著增加了下颌骨髁状突和关节隆起硬化的诊断复杂度，其图像质量评分最差。F1和F2被判定为产生优良质量的图像，并且可能是用于评价TMJ表面骨质变化的可行替代方案。
The temporomandibular joint (TMJ) is a complex anatomic structure and a variety of morphological changes can occur on its osseous surfaces. This study aimed to evaluate the influence of cone-beam computed tomography filters for detection of surface osseous changes of the TMJ to verify the best conditions for evaluating this area.Images of 100 TMJs were analyzed without filter application (WOF) and with the following filters for XoranCat(A (R)) software: Sharpen (F1); Angio_Sharpen_Low 3 x 3 (F2); Angio_Sharpen_High 5 x 5 (F3); and Smooth (F4). Two oral radiologists classified the images according to the presence of osseous changes. A score was also given for image quality assessment. The filters were subjected to pairwise comparisons for each osseous change using McNemar's test, and the image quality among all filtered images was compared using the Kruskal-Wallis test.For the mandibular condyle, there were significant differences (P < 0.05) for sclerosis between WOF x F3 and F1 x F3. Regarding the articular eminence, there were significant differences (P < 0.05) for sclerosis between all filters and F3. No images were considered inadequate for diagnosis. F1 and F2 showed the highest frequencies of "excellent diagnostic conditions", while F3 had the highest frequency of "poor diagnostic conditions".Application of F3 significantly complicates the diagnosis of sclerosis for the mandibular condyle and articular eminence, and it received the worst image quality scores. F1 and F2 were judged to produce images of excellent quality and may be feasible alternatives for evaluation of surface osseous changes in the TMJ.