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    Effects of local application of bovine amniotic fluid on fracture healing in rats (Rattus norvegicus)
    (Universidad del Zulia, Facultad de Ciencias Veterinarias, 2024) Tanrısever, Murat; İstek, Özmen; Eröksüz, Hatice; Karabulut, Burak; Özcan, Erhan Cahit; Bingül, Bahattin; Güler, Rıdvan; Dündar, Serkan
    In this study, it was aim to examine the local application of bovine amniotic fluid on bone fracture healing in rats. Twenty female Sprague dawley rats included in the study were divided into 2 groups of 10. The sham group (n=10): Bone fractures were created in the right tibia bones of the rats and fixed with kirschner wire. After a four–week recovery period, the subjects were sacrificed. Local bovine amniotic fluid group (n=10): Bone fractures were created in the right tibia bones of the rats and local bovine amniotic fuid was applied during fixation with kirschner wire. After a four–week recovery period, the subjects were sacrificed. Samples from all subjects were decalcified, stained with hematoxylin and eosin, and new bone formation and fibrosis were analyzed. When the groups were evaluated in terms of new bone regeneration, it was determined that the new bone regeneration in the subjects treated with local bovine amniotic fluid were statistically significantly higher than sham group (P<0.05). When the groups were evaluated in terms of fibrosis, the fibrosis value in the sham group was found to be statistically significantly higher when compared with the local bovine amniotic fluid group (P<0.05). It can be stated that local bovine amniotic fluid application may positively affect the healing of bone fractures.
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    The histopathological evaluation of effects of application of the bovine amniotic fluid with graft on peri-implant bone regeneration
    (Kafkas Universitesi Veteriner Fakultesi, 2023) İstek, Özmen; Tanrısever, Murat; Eröksüz, Hatice; Karabulut, Burak; Özcan, Erhan Cahit; Bingül, Muhammet Bahattin; Güler, Rıdvan; Dündar, Serkan
    This study aimed to determine the effects of bovine amniotic fluid combined with bone graft in treating peri-implant bone defects with guided bone regeneration. Twenty female Sprague–Dawley rats were divided into two groups. Bone sockets with a diameter of 4 mm in the coronal part and a diameter of 2.5 mm in the apical part of the implant were created into the corticocancellous bone in the metaphyseal parts of the right tibia bones of all subjects. Implants with a length of 4 mm and a diameter of 2.5 mm were placed in the bone sockets. In the sham surgery group (n = 10) was the circumferential bone defect equivalent to half of the 4-mm implant length, which occurred between the implant and the bone, filled with bovine xenograft. Bovine xenografts were filled with amniotic fluid mixture in the experimental group (n = 10). After 8 weeks of recovery, all rats were sacrificed. The implants were extracted from the soft tissues and the surrounding bone. Subsequently, the bones were decalcified and prepared for histological analysis. The percentage of newly regenerated bone (NRB) formation and fibrosis in the bone defect area around the implant was calculated from all sections. NRB was found in 37.4±4.4% of controls and 41.4±2.63% of test animals (P<0.05 and P=0.024, respectively). Fibrosis formation was found at a rate of 38.6±5.06% in the control group and 33.2±5.38% in the test group (P<0.05 and P=0.033, respectively). It was considered that combining bovine amniotic fluid with bone transplant could be a useful way of treating bone abnormalities.