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Madani, A., Mohtasham, N., Jazayeri, M., Shahabian, F., Shakeri, M.. (1389). Histological Evaluation of the Temporomandibular Joint after Producing Artificial Traumatic Occlusion in Dogs. سامانه مدیریت نشریات علمی, 11(Supplement Winter 2010), 1-7. doi: 10.30476/dentjods.2019.43590
A. Madani; N. Mohtasham; M. Jazayeri; F. Shahabian; M. Shakeri. "Histological Evaluation of the Temporomandibular Joint after Producing Artificial Traumatic Occlusion in Dogs". سامانه مدیریت نشریات علمی, 11, Supplement Winter 2010, 1389, 1-7. doi: 10.30476/dentjods.2019.43590
Madani, A., Mohtasham, N., Jazayeri, M., Shahabian, F., Shakeri, M.. (1389). 'Histological Evaluation of the Temporomandibular Joint after Producing Artificial Traumatic Occlusion in Dogs', سامانه مدیریت نشریات علمی, 11(Supplement Winter 2010), pp. 1-7. doi: 10.30476/dentjods.2019.43590
Madani, A., Mohtasham, N., Jazayeri, M., Shahabian, F., Shakeri, M.. Histological Evaluation of the Temporomandibular Joint after Producing Artificial Traumatic Occlusion in Dogs. سامانه مدیریت نشریات علمی, 1389; 11(Supplement Winter 2010): 1-7. doi: 10.30476/dentjods.2019.43590

Histological Evaluation of the Temporomandibular Joint after Producing Artificial Traumatic Occlusion in Dogs

Journal of Dentistry
مقاله 1، دوره 11، Supplement Winter 2010، آذر 2010، صفحه 1-7    اصل مقاله (114.81 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.30476/dentjods.2019.43590
نویسندگان
A. Madani1؛ N. Mohtasham2؛ M. Jazayeri3؛ F. Shahabian* 1؛ M. Shakeri4
1Dept. of Prosthodontics, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
2Dept. of Oral and Maxillofacial Pathology, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
3Dept. of Oral Medicine, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
4Public Health Department of Ghaem Hospital, Mashhad University of Medical Sciences
چکیده
Statement of Problem: Traumatic occlusion can have an adverse effect on the temporomandibular joint tissue.Purpose: This study aims to determine the histological alteration in dog-s’ temporomandibular joints due to production of artificial traumatic oc­clusion.Materials and Methods: Twenty dogs were divided into a control gro­up of four and two equal experimental groups. Unilateral occlusal interf­erences were created on the mandibular right first molars in the experim­ental groups. We established two experimental periods: one week and 45 days. After vital perfusion, the TMJs were separated for preparation, pig­mentation, and examination by a pathologist. Descriptive statistics, Chi-square and Fisher's exact test were used to analyze the data. P.value less than 0.05 was considered as significant.Results: The findings showed no inflammatory changes in the TMJ. Increased fibrosis was found in 56.30% and vascularization in 28.12% of the disks. Fibrotic changes were detected in 46.87% and vascularization in 28.12% of the condyles. The glenoid fossas suffered from fibrosis in 15.62% of the cases.Conclusion: Traumatic occlusion leads to histopathological alterations including an increase in the fibrosis tissue and vascularization in the condyle and disk.KEY WORDS: Dental occlusion; Traumatic; Histology; Temporomandibular joint
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