Person: ÖZYILMAZ, ÖZGÜN YUSUF
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ÖZGÜN YUSUF
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ÖZYILMAZ
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Publication Metadata only Evaluation the Effect of Various Surface Pretreatment on Shear Bond Strength Between Polyetherketonekethone (PEKK) and Resin Cement.(2018-12-02) SAYIN ÖZEL, GÜLSÜM; ÖZYILMAZ, ÖZGÜN YUSUF; ÜNLÜ, NİMET; VELİOĞLU, MEHMET SEMİH; AKIN, CEYDA; ÇELEBİ, HAKKI; ÖZYILMAZ, ÖZGÜN YUSUFPublication Metadata only Evaluation of the shear bond strength of resin cement to enamel after bleaching with Er: YAG and diode laser(2020-05-05T00:00:00Z) Ceyda, Akin; Mujde, Sevimay; Neslihan, Cokuk; ÖZYILMAZ, ÖZGÜN YUSUFObjective:Publication Metadata only Bond strength of resin composite to light activated bleached enamel(2016-11-01T00:00:00Z) Yavuz, T.; Ozyilmaz, O. Y.; Ozturk, A. N.; Aykent, F.; ÖZYILMAZ, ÖZGÜN YUSUFObjectives: This study evaluated the microtensile bond strength (mu TBS) of a resin composite bonded to bleached enamel as a function of bleaching conditions.Publication Open Access Effect of cleansers on denture base resins- structural properties(2019-02-01) Ozyilmaz, Ozgun Yusuf; Akin, Ceyda; ÖZYILMAZ, ÖZGÜN YUSUFIntroduction: We assessed the effect of different available denture cleansers on the roughness and hardness of polyetherketoneketone, thermoinjection-molded polyamide, and polymethylmethacrylate. Materials and Methods: A total of 150 disc-shaped specimens were fabricated (10 mm × 2 mm) from these three denture base resins, and divided into five subgroups (n = 10) according to immersion procedures. One of these groups subjected to distilled water served as control, whereas other groups were subjected to daily cleansing with four denture cleansers (Corega, Protefix, Curaprox, and Perlodent) for 8 h a day for 140 days. The surface roughness and hardness values of specimens were recorded by measuring twice at baseline, and again after application of chemical solutions. Topography alterations after treatments were assessed with scanning electron microscopy. The data were subjected to statistical analysis and comparison among groups was done using Kruskal Wallis and Wilcoxon Signed Ranks tests. P-value <0.05 was considered significant. Results: The surface roughness of polyetherketoneketone, polymethylmethacrylate, and polyamide dentures was increased significantly by chemical solutions of denture cleansers. While the hardness value of polyetherketoneketone was not affected significantly after immersion in denture cleansers, those of polymethylmethacrylate and polyamide decreased significantly. Compared with Curaprox, the effervescent tablets significantly altered the surface hardness and roughness of polyamide. Conclusion: Denture cleansers can considerably alter the surface roughness and hardness of denture base resins and should be used carefully depending on the material.Publication Metadata only Effect of Different Cleansers on Mechanical Properties of New Generation Composites.(2018-09-15) SAYIN ÖZEL, GÜLSÜM; ERDEM, KÜBRA; ÖZYILMAZ, ÖZGÜN YUSUF; ÖZYILMAZ, ÖZGÜN YUSUF; ERDEM, KÜBRAPublication Metadata only Effects of repeating bleaching procedure on color stability various porcelains(2019-09-08T00:00:00Z) SAYIN ÖZEL, GÜLSÜM; TAHA, MUHAMMED ESAD; ÖZYILMAZ, ÖZGÜN YUSUF; ERDEM, KÜBRA; ERDEM, KÜBRA; ÖZYILMAZ, ÖZGÜN YUSUFPublication Metadata only Evaluation of various denture cleansers on color stability and surface topography of polyetherketoneketone, polyamide, and polymethylmethacrylate(2020-08-01T00:00:00Z) ÖZYILMAZ, ÖZGÜN YUSUF; AKIN, CEYDA; KARA, ÖZLEM; ÖZYILMAZ, ÖZGÜN YUSUF; KARA, ÖZLEMThe aim of this study was to evaluate the effect of sodium perborate effervescent tablets and citric acid solution on the color stability and surface topography of a new generation of high-performance polymer polyetherketoneketone (PEKK), thermoinjection-molded polyamide, and polymethylmethacrylate (PMMA). Fifty disc-shaped specimens were fabricated (10 mm x 2 mm) from PEKK (P group), polyamide (D group), and PMMA (M group). These groups were divided into five subgroups (n= 10) according to the storage media. The test groups were immersed in the following solutions: distilled water (Control), Corega, Protefix, Perlodent, and Curaprox. The color stability values (Delta E) were measured using a spectrophotometer before and after immersion in distilled water and four different denture cleansers for 8 hr/day for 140 days. Topography alterations after treatments were assessed with scanning electron microscopy (SEM). Data were analyzed by one-way analysis of variance (ANOVA) followed by Tukey-s Honest Significant Difference test. Thep < .05 was considered significant. All denture cleansers increased the Delta Evalues relative to the baseline values in the M, D, and P groups (p < .05). The Perlodent denture cleanser demonstrated the highest Delta Evalue in all groups, which was unacceptable. Curaprox denture cleanser showed the lowest Delta Evalue in the M and D groups (p < .05). Curaprox in all groups showed a increment Evalue less than 3.7. For patients who have PEKK- and polyamide-based prosthesis, the use of citric acid-based cleansers may be more recommended than sodium perborate-containing cleansers because of its clinically acceptable color changes on polymers in terms of color stability.Publication Metadata only Impact of intracanal calcium hydroxide or triple antibiotic paste on bond strength of root canal sealers: An in Vitro study(2016-01-01T00:00:00Z) GÜNDOĞAR, Mustafa; ERKAN, Erhan; Ozyilmaz, Ozgun Yusuf; ÖZYILMAZ, ÖZGÜN YUSUFPublication Metadata only INFLUENCE OF DIFFERENT BLEACHING SYSTEMS ON THE BOND STRENGTH OF LAMINATE VENEER TO ENAMEL(2018-04-01) ÖZYILMAZ, ÖZGÜN YUSUF; AYKENT, FİLİZ; TUNÇDEMİR, ALİ RIZA; KARA, HALUK BARIŞ; ÖZYILMAZ, ÖZGÜN YUSUFPublication Open Access Evaluation of Patients- Awareness Levels Regarding Implant And Implant-Supported Prosthesis Who were Admitted to Bezmialem Vakif University Faculty of Dentistry(2022-01-01T00:00:00Z) Davut, Umur; ÖZYILMAZ, ÖZGÜN YUSUF; ÖZYILMAZ, ÖZGÜN YUSUFObjective: The aim of this study was to investigate the knowledge level of the totally or partially edentulous patients who were admitted to the Dentistry Faculty of Bezmialem Vakif University and to investigate the factors affecting their ideas when choosing this treatment. Methods: To measure the knowledge level of the patients who were admitted to Faculty of Dentistry and to determine the factors affecting the decision-making processes, a survey was planned. A total of 250 participants were included in the survey. Results: While 57.3% of the participants knew that implant treatment was an alternative treatment, 13.3% of them stated that they had no idea, 29.3% had no opinion at all. When we asked the level of knowledge of the patients about the implant, 16% found it to be quite inadequate and 22% found it very adequate. Of the patients 40.6% stated that they acquired the information from the physician, when they were asked where the information about the implant was obtained. The other sources were friends and family in 24.6%, social media in 16%, internet in 14%, and other sources in 4.6%. While 49.3% of patients preferred implant treatment, they chose the option of being expensive as the biggest factor causing them to think negatively. Conclusion: As a result of the questionnaire, it was concluded that the knowledge level of the patients about implant treatment and the physician were insufficient in the transfer of this information. Further studies should be increased in order to raise awareness among patients.