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Öğe Aggressive periodontitis associated with Kindler syndrome in a large Kindler syndrome pedigree(Turkish J Pediatrics, 2017) Yildirim, Tuba Talo; Kaya, Filiz Acun; Taskesen, Mustafa; Dundar, Serkan; Bozoglan, Alihan; Tekin, Gulucag Giray; Akdeniz, SedatKindler syndrome (KS) is a rare genetic disorder. The clinical features include aggressive periodontal disease and severe desquamative gingivitis. Five individuals with KS were assessed by oral examination, radiographic analysis and periodontal measurements. All the patients' indexes were recorded prior to periodontal treatment and at the end of the 1th, 3th, 6th, 9th and 12th month respectively. All the patients had improvement of periodontal status and enhancement in index scores. The affected individuals were previously screened for FERMT1 mutations. KS patients' periodontal disease activity could be taken under control with regular follow-up.Öğe Biomechanical Evaluation of Implant Osseointegration After Guided Bone Regeneration With Different Bone Grafts(Lippincott Williams & Wilkins, 2021) Gunes, Nedim; Gul, Mehmet; Dundar, Serkan; Tekin, Samet; Bozoglan, Alihan; Ozcan, Erhan Cahit; Karasu, NecmettinThe aim of this study was to compare the biomechanical osseointegration of titanium implants after guided bone regeneration (GBR) with a hydroxyapatite graft, deproteinized bovine bone graft, human-derived allograft, and calcium sulfate bone graft. Thirty-two female Sprague Dawley rats were divided into four groups, each containing eight (n = 8) rats: hydroxyapatide (HA), deproteinized bovine bone graft (DPBB), allograft (ALG), and calcium sulfate. Bone defects were created in the tibia of the rats, which were grafted with HA, DPBB, ALG, or CP bone grafts for the purpose of GBR. Ninety days after surgery, machine-surfaced titanium implants were inserted into the area where GBR had been undertaken. After 90 days of the surgical insertion of the implants, the rats were sacrificed, the implants with surrounding bone tissue were removed, and biomechanical osseointegration (N/cm) analysis was performed. No statistically significant differences were found among the groups in osseointegration (N/cm) three months after the GBR procedures (P > 0.05). According to the biomechanical results, none of the grafts used in this study was distinctly superior to any of the others.Öğe The effects of morus nigra on the alveolar bone loss in experimentally-induced periodontitis(Istanbul Univ Press, Istanbul Univ Rectorate, 2019) Yildirim, Tuba Talo; Ozan, Gonca; Dundar, Serkan; Bozoglan, Alihan; Karaman, Tahir; Dildes, Neval; Kaya, Can AyhanPurpose The aim of this study is to evalute the anti-inflammatory effects of morus migra on experimentally-induced periodontitis in rats. Materials and Methods Twenty-four Wistar-albino rats were randomly divided into three groups: control group (C, n=8), experimental periodontitis (PER, n=8), experimental periodontitis and treated with Morus nigra (MN+PER, n=8) (50 mg/kg per day for 21 days). After 21 days, the rats were sacrificed, and alveolar bones were evaluated histopathologically and histometrically analyzed to obtain level of alveolar bone loss. The detection of RANKL and OPG were immunohistochemically performed. Serum and tissue levels of MMP-8 and MMP-13 were also analyzed. Results Morus nigra treatment decreased tissue MMP-8 and MMP-13 levels and there were significant differences in the case of tissue levels of MMP-8 and MMP-13 between groups PER and MN+PER (p=0.035, p=0.041). There were no significant differences among all the groups serum levels of MMP-8 and MMP-13 (p=0.067, p=0.082). In the histometric evaluation, alveolar bone loss was greater in the PER group compared to C and MN groups (p=0.035). Immuno-histochemical staining of RANKL activities were found significantly lower (p=0.037) and OPG activities were found significantly higher in MN+PER group when compared to PER group (p=0.021). Conclusion The present study reveals that systemic administration of Morus nigra significantly inhibited the regional alveolar bone resorption and contributes to periodontal healing in the rat experimental-periodontitis models.Öğe Effects of Systemic Propranolol Application on the New Bone Formation in Periimplant Guided Bone Regeneration(Uab Stilus Optimus, 2021) Gunes, Nedim; Gul, Mehmet; Dundar, Serkan; Artas, Gokhan; Kobat, Mehmet Ali; Tekin, Samet; Bozoglan, AlihanObjectives: The aim of this experimental animal study was to evaluate the effects of systemic propranolol on new bone formation in peri-implant bone defects. Material and Methods: Implant slots were created 4 mm long and 2.5 mm wide. After the titanium implants were placed in the sockets, 2 mm defects were created in the neck of the implants. Bone grafts were placed in these defects. Then the rats were randomly divided into three equal groups: control (n = 8), propranolol dose-1 (PRP-1) (n = 8), and propranolol dose-2 (PRP-2) (n = 8) groups. In the control group, the rats received no further treatment during the eight-week experimental period after the surgery. The rats in the PRP-1 and PRP-2 groups were given 5 mg/kg and 10 mg/kg propranolol, respectively, every three days for the eight-week experimental period after the surgery. At the end of the experimental period, the rats were euthanized. Blood serum was collected for biochemical analysis, and the implants and surrounding bone tissues were used for the histological analysis. Results: There were no significant differences in the histological analysis results and the biochemical parameters (alkaline phosphatase, calcium, creatinine and phosphorus) of the groups (P > 0.05). Also, in the test groups, there was numerically but not statistically more new bone formation detected compared with the controls. Conclusions: Within the limitations of this study, propranolol did not affect the new bone formation in peri-implant defects.
