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Öğe Clinical and radiographic comparison by analyzed cone beam CT between one stage and two stage dental implants(University of Dicle, 2017) Yildirm T.T.; Kaya F.A.; Yokus B.; Colak M.; Ozdemir E.; Tekin G.G.; Saribas E.The aim of this study is to evaluate the relationship between the periodontal clinical parameters and alveolar bone loss rate (ABLR) values in one and two stage dental implants using dental tomography A total of 40 dental implant was applied to patients, 20 a one-stage surgical procedure (group I) other 20 two-stage surgical procedure (group II), who had a single missing tooth in the lower jawbone. All clinical measurements were recorded at before loading (T0), after loading at the 3 rd month (T1) and after loading at the 6 th month (T2). Alveolar bone loss rate (ABLR) values were evaluated at T0 and T3 using dental tomography because of minimal artifacts and distortions. In our study, PPD was found to be significantly high in group I than group II at T1 and T2. There was a significant relation between the mPI and ABLR at T2 in Group I, also KSTI and ABLR at T0 in Group II. The data of this study confirms that; one stage surgery procedure PPD is high than two stage surgery procedure. Larger scale studies, particularly in peri-implantitis cases, may shed more light on this subject.Öğe Effects of urokinase on postoperative intraabdominal adhesion formation and healing of bowel anastomosis(1997) Otcu S.; Onen A.; Dokucu A.I.; Ozer M.; Isik B.; Deveci E.; Ozdemir E.Urokinase with its' proteolytic enzyme activity, has been frequently used in experimental studies on postoperative intraperitoneal adhesion formation. As wound healing process may be effected with the same mechanism, we aimed to investigate if intraperitoneal administration of urokinase increases the rate of anastomotic complications. For every ten rats of the control and urokinase group, laparotomy and colonic anastomosis are performed. In the urokinase group abdominal cavities are irrigated with 2000 IU of urokinase. All the rats are sacrificed at postoperative seventh day and adhesion scoring, anastomosis bursting pressure and histopathological findings are investigated. There is no anastomotic leakage in both groups. Adhesion score in control group (2.6±0.52) was significantly higher than urokinase group (1.1±0.74). Differences in anastomotic bursting pressure between the groups were not statistically significant. Although serosal and mucosal continuity were not achieved properly due to excessive fibroblastic activity in control animals, it could be obtained in the urokinase group sufficiently. Our findings support the efficacy of urokinase in preventing the postoperative intraabdominal adhesion formation, while the healing process at the anastomotic site is not alter with its' intraperitoneal administration.Öğe Evaluating the fracture strength of three different provisional crowns(2010) Zortuk M.; Ozdemir E.; Aguloglu S.With the advent of new provisional crown materials, it has become imperative to evaluate their strength in order to select the appropriate crown material. This study examined the fracture resistance of three different provisional materials. To simulate oral conditions, the specimens were fabricated in brass molds, ensuring their similarity to premolars. The 33 fabricated specimens were divided into three groups (n=11) and stored at 37°C in artificial saliva (1.6 g NaHCO3, 0.4 g NaH2PO4H2O, and 0.1 g CaCl2H2O per L H2O). After conditioning, the fracture resistance was assessed using a universal testing machine (Testometric). Analysis of variance and Student's t-test were used for statistical analysis. The study concluded that the mechanical properties of provisional restorative materials are strongly influenced by their proportions of methyl methacrylate and bisphenol A glycidyl methacrylate.Öğe Significantly increased complication risks with mass circumcisions [3](1998) Ozdemir E.[No abstract available]
