Magnetic resonance imaging and fractal analysis findings in temporomandibular joints with disk perforation

磁共振成像 髁突 颞下颌关节 穿孔 医学 渗出 流离失所(心理学) 口腔正畸科 牙科 放射科 外科 材料科学 复合材料 冲孔 心理学 心理治疗师
作者
Saliha Akçay Köprücü,Tuğçenur Uzun
出处
期刊:Oral Surgery, Oral Medicine, Oral Pathology, and Oral Radiology [Elsevier]
卷期号:135 (6): 914-927 被引量:1
标识
DOI:10.1016/j.oooo.2023.01.001
摘要

This study compared magnetic resonance imaging (MRI) findings and fractal dimension (FD) values in the temporomandibular joints (TMJs) of study patients with disk perforation vs control patients.Of 75 TMJs examined with MRI for characteristics of the disk and condyle, 45 were included in the study group and 30 in the control group. MRI findings and FD values were compared for significance of differences between the groups. The frequency of subclassifications was analyzed for differences between the two forms of disk configuration and grades of effusion. Mean FD values were analyzed for differences among subclassifications of MRI findings and between groups.Examination of MRI variables revealed that the study group had significantly greater frequencies of flattened disks, disk displacement, flattening and combined defects in condylar morphology, and grade 2 effusion (P = .001) Joints with perforated disks had a large percentage of normal disk-condyle relationships (73.3%). Significant differences were discovered between biconcave and flattened disk configuration in the frequencies of internal disk status and condylar morphology. FD values of all patients varied significantly among the subclassifications of disk configuration, internal disk status, and effusion. Mean FD values were significantly lower in the study group with perforated disks (1.07) compared with the control group (1.20, P = .001).MRI variables and FD can be useful in investigating intra-articular TMJ status.
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