The use of temporalis muscle graft,fresh and cryopreserved amniotic membrane in preventing temporomandibular joint ankylosis after discectomy in rabbits |
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| Affiliation: | 1. Department of Plastic Reconstructive and Aesthetic Surgery (Head: Prof. N. Kostakoglu, MD), Gaziosmanpasa University, Faculty of Medicine, 60100 Tokat, Turkey;2. Department of Patology, Gaziosmanpasa University, Faculty of Medicine, 60100 Tokat, Turkey;3. Department of Radiology, Gaziosmanpasa University, Faculty of Medicine, 60100 Tokat, Turkey;4. Department of Biostatistics, Sakarya University, Faculty of Medicine, 60100 Sakarya, Turkey;1. Department of Head and Neck Surgery, Fuzhou General Hospital, Nanjing Command Zone of PLA, Fuzhou, China;2. Department of Bioinformatics, Fuzhou General Hospital, Nanjing Command Zone of PLA, Fuzhou, China;3. Department of Oncology, Fujian Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, 350112, China;1. Department of Clinical Sciences, Faculty of Veterinary Medicine, Urmia University, Nazloo Road, Urmia 57153 1177, Iran;2. Department of Clinical Sciences, Faculty of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia, Iran;3. Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4, Canada;1. Department of Plastic and Reconstructive surgery, Soonchunhyang University Hospital, 59 Daesagwan-ro, Yongsan-gu, Seoul, Republic of Korea;2. Department of Plastic and Reconstructive surgery, Hanyang University Guri Hospital, 153, Gyeongchun-ro, Guri-si, Gyeonggi-do, Republic of Korea;1. Department of Plastic and Reconstructive Surgery, Chiba University, Graduate School of Medicine, Japan;2. Department of Neurosurgery, Showa University, Japan |
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| Abstract: | ![]()
PurposeThe aim of the study was to evaluate the efficacy of temporalis muscle-fascia graft, fresh and cryopreserved human amniotic membrane as an interpositional material in preventing temporomandibular joint ankylosis in a rabbit model.Materials and methodsIn this experimental study, 21 New Zealand white rabbits were used. The condyle and the joint disc were removed to induce ankylosis in left TMJs. Reconstruction was immediately performed with temporalis muscle-fascia graft (tMFG) in group I (n = 7), fresh human amniotic membrane (fHAM) in group II (n = 7) and cryopreserved human amniotic membrane (cHAM) in group III (n = 7). All rabbits were sacrificed at 3 months after the operation. The comparison was made among three groups by means of vertical mouth opening and weight measurements, radiologic and histologic findings obtained before and after surgery.ResultsIn all rabbits, there was no statistically significant difference in the jaw movements and weight among groups at commencement and 3 months after surgery. The condylar surfaces were more irregular in HAM groups. There were mild osteophyte formations, sclerosis, fibrosis and calcification around the condyle in all groups however the joint gap was more preserved in group I. All interpositional materials were also seen to be partially present in the joint gap at 3 months. Ankylosis was not seen in the joint gap in any group.ConclusionWith the results of this study it was concluded that interpositional arthroplasty with HAM and tMFG have an almost similar effect in preventing TMJ ankylosis after discectomy in the rabbit model. |
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| Keywords: | Ankylosis Temporomandibular joint Amniotic membrane Muscle graft |
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