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Comparison between Glenoid Fossa Roof Thickness in TMD and non-TMD Patients, a CBCT Study | ||
| Journal of Dentistry | ||
| مقاله 4، دوره 20، شماره 3 - شماره پیاپی 64، آذر 2019، صفحه 165-170 اصل مقاله (246.91 K) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.30476/dentjods.2019.44906 | ||
| نویسندگان | ||
| Leila Khojastepour1؛ Abdolaziz Haghnegahdar1؛ Maryam Issazadeh* 2؛ Mahboobeh Bahreini3 | ||
| 1Dept. of Oral and Maxillofacial Radiology, School of Dentistry, Shiraz University of Medical Science, Shiraz, Iran. | ||
| 2Postgraduate Student, Dept. of Oral and Maxillofacial Radiology, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. | ||
| 3Student Research Committee, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. | ||
| چکیده | ||
| Statement of the Problem:Various pathologic conditions can affect the thickness of the roof of glenoid fossa (RGF). The relationship between the RGF thickness and temporomandibular joint disorder (TMD) is not explicitly investigated. Considering the changes in RGF thickness, as a radiographic sign for TMD diagnosis, the phenomenon may necessitate specific treatment and may influence the treatment course and results. Purpose:This research was designed to examine the relationship between TMD and RGF thickness changes compared to non-TMD group. Materials and Method: In this cross sectional analytic research CBCT images of 70 TMD patients (140 joints) and 70 non-TMD individuals (140 joints) as control group were evaluated for thickness of RGF and presence of discontinuity in RGF. The distance between superior and inferior cortex of glenoid fossa was measured as RGF thickness. Inability to follow the course of cortex in any given image was considered as discontinuity. T-test, Chi-square and odds ratio (OR) were used for statistical analysis. In this study, p < 0.05 was considered meaningful. Results:The mean thickness of RGF in our non-TMD samples was 1.12 mm. RGF thickness was significantly increased in TMD patients compared non-TMD group (p = 0.00). This value was also greater in males. On the other hand, TMD patient showed a higher incidence of discontinuity in RGF, in comparison with non-TMD patients (p = 0.006). Conclusion: the increased thickness of RGF can be considered as a sign of TMD, which may help in diagnosis of TMD. It seems that there is a direct relationship between TMD and discontinuity of RGF. | ||
| کلیدواژه‌ها | ||
| Roof of glenoid fossa؛ Cone beam computed tomography؛ Temporomandibular joint؛ Temporomandibular joint disorder | ||
| مراجع | ||
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