Comparison of quantitative radiomorphometric predictors of healthy and MRONJ-affected bone using panoramic radiography and cone-beam CT.

IF 2.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Dento maxillo facial radiology Pub Date : 2024-09-01 DOI:10.1093/dmfr/twae024
Elif Aslan, Erinc Onem, Ali Mert, B Guniz Baksi
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Abstract

Objectives: To determine the most distinctive quantitative radiomorphometric parameter(s) for the detection of MRONJ-affected bone changes in panoramic radiography (PR) and cone-beam CT (CBCT).

Methods: PR and sagittal CBCT slices of 24 MRONJ patients and 22 healthy controls were used for the measurements of mandibular cortical thickness (MCT), fractal dimension (FD), lacunarity, mean gray value (MGV), bone area fraction (BA/TA), trabecular thickness (Tb.Th), trabecular separation (Tb.Sp), trabecular number (Tb.N). MCT was measured in the mental foramen region. While FD and lacunarity were measured on mandibular trabecular and cortical regions-of-interest (ROIs), the remaining parameters were measured on trabecular ROIs. The independent samples t-test was used to compare the measurements between the MRONJ and control groups for both imaging modalities (P = .05).

Results: MCT was the only parameter that differentiated MRONJ-affected bone in both PR and CBCT (P < .05). None of the remaining parameters revealed any difference for MRONJ-affected bone in CBCT (P > .05). FD, lacunarity, MGV, BA/TA, and Tb.Sp could distinguish MRONJ-affected trabecular bone in PR (P < .05). The correspondent ROI for both imaging methods that was reliable for detecting MRONJ-affected bone was the trabecular bone distal to the mental foramen above the inferior alveolar canal (ROI-3).

Conclusions: MCT is a reliable parameter for the discrimination of MRONJ-affected bone in both PR and CBCT images. PR may be used to detect MRONJ-affected trabecular bone using FD, lacunarity, MGV, BA/TA, and Tb.Sp measurements as well.

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使用全景 X 射线照相术和锥形束 CT 对健康骨和 MRONJ 受影响骨的放射形态定量预测指标进行比较。
目的确定在全景放射摄影(PR)和锥束计算机断层扫描(CBCT)中检测受 MRONJ 影响的骨质变化的最独特的定量放射形态测量参数:使用 24 名 MRONJ 患者和 22 名健康对照者的 PR 和矢状 CBCT 切片测量下颌骨皮质厚度 (MCT)、分形维度 (FD)、裂隙度、平均灰度值 (MGV)、骨面积分数 (BA/TA)、骨小梁厚度 (Tb.Th)、骨小梁分离度 (Tb.Sp)、骨小梁数目 (Tb.N)。MCT 是在精神孔区域测量的。FD和裂隙度是在下颌骨小梁和皮质感兴趣区(ROI)测量的,其余参数则是在小梁感兴趣区(ROI)测量的。采用独立样本 t 检验比较 MRONJ 和对照组两种成像模式的测量结果(p = 0.05):结果:在 PR 和 CBCT 中,MCT 是区分 MRONJ 受影响骨的唯一参数(p 0.05)。在 PR 中,FD、裂隙度、MGV、BA/TA 和 Tb.Sp 可区分受 MRONJ 影响的骨小梁(p 结论:MCT 是诊断受 MRONJ 影响的骨小梁的可靠参数:在 PR 和 CBCT 图像中,MCT 都是区分 MRONJ 影响骨的可靠参数。PR 也可用于使用 FD、裂隙度、MGV、BA/TA 和 Tb.Sp 测量值检测受 MRONJ 影响的骨小梁。
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来源期刊
CiteScore
5.60
自引率
9.10%
发文量
65
审稿时长
4-8 weeks
期刊介绍: Dentomaxillofacial Radiology (DMFR) is the journal of the International Association of Dentomaxillofacial Radiology (IADMFR) and covers the closely related fields of oral radiology and head and neck imaging. Established in 1972, DMFR is a key resource keeping dentists, radiologists and clinicians and scientists with an interest in Head and Neck imaging abreast of important research and developments in oral and maxillofacial radiology. The DMFR editorial board features a panel of international experts including Editor-in-Chief Professor Ralf Schulze. Our editorial board provide their expertise and guidance in shaping the content and direction of the journal. Quick Facts: - 2015 Impact Factor - 1.919 - Receipt to first decision - average of 3 weeks - Acceptance to online publication - average of 3 weeks - Open access option - ISSN: 0250-832X - eISSN: 1476-542X
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