Person: TÜRKER, ŞEBNEM BEGÜM
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TÜRKER
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ŞEBNEM BEGÜM
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Publication Metadata only Çeneler arası ilişkilerin tespiti(Quintessence Publishing Türkiye, 2021-01-01) ÖZKAN, YASEMİN; GÖZNELİ, RİFAT; TÜRKER, ŞEBNEM BEGÜM; ÖZKAN Y., GÖZNELİ R., TÜRKER Ş. B.; Kulak Özkan, YaseminPublication Metadata only Satisfaction of the complete denture wearers related to various factors(2009) TÜRKER, ŞEBNEM BEGÜM; Turker S.B., Sener I.D., Özkan Y.K.All dentists who have worked with complete denture wearers know that patient satisfaction is not based only on the technical quality of the dentures. The aim of this study was at assessing the effect of gender, the number of the dentures used before, the length of time of denture usage, education and age on the satisfaction of the complete denture wearers. The students of the Dental Faculty of Marmara University (Turkey) made new dentures for 342 patients who were asked to participate in the investigation. The subjects (137 men and 205 women) were 39-89 years of age with a mean of 61.62 years. The attitude toward dentures in general was measured by means of 11 items of a questionnaire. The 10 main questions of the questionnaire were answered by the participants, and quantified on a 7-point scale, while the 11th issue (general satisfaction) was evaluated on a scale of 1-10. All main factors were also estimated in subgroups. For example, the education was analyzed in 4 subgroups, the time of denture usage was divided into two subgroups (below and above 3 years) and the number of dentures used before was also taken as up to 3 or more than 3 dentures. The age of the subjects was taken in 3 subgroups: 40-55, 56-65 and >65 years. One-way ANOVA, Tukey and Student t-tests were used to evaluate the answers to the questionnaire. Our patients displayed statistically significant differences only in the topics of their ability of cleaning their dentures, due to education and number of previously used dentures. © 2008 Elsevier Ireland Ltd. All rights reserved.Publication Metadata only Factors affecting the distribution and prevalence of oral mucosal lesions in complete denture wearers(WILEY, 2011) TÜRKER, ŞEBNEM BEGÜM; Mandali, Gamze; Sener, Isil Damla; Turker, Sebnem Begum; Ulgen, HasanObjective: To determine the frequency of the oral lesions related to gender, age, the length of time of denture usage, education level and economic status. Methods: The 153 patients with old complete dentures (CD) were asked to participate in the investigation. The subjects (76 male and 77 female) were 37-85 years of age with a mean age of 61.8 +/- 9.8 years. Education, economic status and age factors were estimated in subgroups. The data obtained were evaluated by one-way anova, Mann-Whitney U-test, Kruskal-Wallis test, Student's t-test and chi-squared test. The level of statistical significance was set at p < 0.05. Results: The patients who had denture stomatitis and traumatic ulcers were statistically significantly older than the ones who did not have these lesions (p < 0.05). Based on the length of denture usage, patients who had a flabby ridge, fibrous inflammatory hyperplasia, traumatic ulcers (p < 0.01) and denture stomatitis (p < 0.05) were using their dentures statistically significantly longer than the ones who had healthy tissues. Conclusions: The CD wearers should be advised to visit their dentist regularly to prevent oral mucosal lesions due to the changing supporting tissues during the length of denture usage and to improve their quality of life.Publication Metadata only Göz defektleri ve protezleri(Akademisyen Kitabevi A.Ş., 2021-01-01) TÜRKER, ŞEBNEM BEGÜM; TÜRKER Ş. B., GÖZNELİ R.; Akay, CananPublication Metadata only Synthesis, Photopolymerization, and Adhesive Properties of Hydrolytically Stable Phosphonic Acid-Containing (Meth)acrylamides(WILEY-BLACKWELL, 2014) TÜRKER, ŞEBNEM BEGÜM; Altin, Ayse; Akgun, Burcin; Bilgici, Zeynep Sarayli; Turker, Sebnem Begum; Avci, DuyguThree novel dental monomers containing phosphonic acid groups (1a and 2a, based on diethyl amino(phenyl)methylphosphonate and 3a based on diethyl 1-aminoheptylphosphonate) were synthesized in two steps: the reaction of -aminophosphonates with acryloyl chloride (for monomers 1a and 3a) or methacryloyl chloride (for 2a) to give monomers with phosphonate groups, and the hydrolysis of phosphonate groups by using trimethyl silylbromide. Their (and the intermediates') structures were confirmed by FTIR, H-1, C-13, and P-31 NMR spectroscopy. All the monomers dissolve well in water (1Publication Metadata only Burun defektleri ve protezleri(Akademisyen Kitabevi A.Ş., 2021-01-01) TÜRKER, ŞEBNEM BEGÜM; TÜRKER Ş. B., GÖZNELİ R.; Akay, CananPublication Metadata only Replacement of two mandibular central incisors using a zirconium resin-bonded fixed partial denture: A clinical report(MOSBY, INC, 2005) TÜRKER, ŞEBNEM BEGÜM; Turker, SB; Guvenli, SY; Arikan, AMaxillary and mandibular anterior tooth loss may cause esthetic and functional problems. Successful treatment for these situations may necessitate a minimally invasive technique to preserve sound remaining abutment tooth structure. This article describes the use of zirconium resin-bonded fixed partial denture as a conservative treatment option for the replacement of 2 mandibular central incisors.Publication Metadata only Mental retarde hastada parafonksiyona bağlı olarak gelişen pseudoprognatik maloklüzyonun protetik rehabilitasyonu: Vaka raporu(2019-04-30) TÜRKER, ŞEBNEM BEGÜM; AKMANSOY, ŞÜKRÜ CAN; ŞANIVAR ABBASGHOLIZADEH, ZELİHA; ÖZKAN, YASEMİN; Atak B., Türker Ş. B., Akmansoy Ş. C., Şanıvar Abbasgholızadeh Z., Özkan Y.Amaç:Prognatik anomaliler hasta üzerinde ciddi sosyal ve fonksiyonel bozukluklar yaratır. Bu nedenle bu tür anomalilerin estetik ve fonksiyonel olarak rehabilitasyonu hastanın psikolojik ve dental tedavisi açısından gerekli olmaktadır. Bu vaka raporunda mental retarde hastada parafonksiyona bağlı olarak gelişmiş pseudoprognatik maloklüzyonun protetik rehabilitasyonu anlatılmıştır. Gereç ve Yöntem:Yirmi bir yaşında mental retarde erkek hasta Marmara Üniversitesi Diş Hekimliği Fakültesi Protetik Diş Tedavisi Anabilim Dalına yemek yiyememe şikayeti ile başvurmuştur. Ekstraoral muayenede hastanın sürekli dudaklarını emdiği ve alt çenesini önde konumlandırdığı görülmüştür. İntraoral muayenede 12 ve 21 numaralı dişlerin eksik olduğu 11 numaralı dişin palatal pozisyonda ve alt çenenin sınıf I kapanışını engellediği ve oklüzyonu sınıf III’e yönlendirdiği tespit edilmiştir. 13-22 nolu dişler arası sabit protetik restorasyon yapılmasına ve 11 numaralı dişin pozisyonunun değiştirilmesine karar verilmiştir. Tüm destek dişler chamfer bitim sınırı ile prepare edilmiş ve sınıf I kapanış sağlanmıştır. Hazırlanan metal destekli seramik restorasyonun oklüzal ilişkileri düzenlenmiş ve cam iyonomer siman (Ketac Cem 3M ESPE, ABD) ile simante edilmiştir. Bulgular: Diş erken teması sonucu meydana gelen pseudoprognatik vakada sabit protetik tedavi ile erken temas kaldırılmış ve hastada sınıf I oklüzyon sağlanmıştır. Hastanın 6 aylık klinik takibi sonucunda fonksiyonel, estetik ve fonasyonel bir şikayeti olmamıştır. Sonuç:Erken temas noktaları sebebiyle meydana gelmiş pseudoprognati vakalarında primer temas alanları ortadan kaldırılarak ideal oklüzyon tesis edilmesi özellikle engelli hastalarda estetik, fonksiyon ve fonasyonun sağlanması açısından kritiktir.Publication Metadata only Novel Bisphosphonated Methacrylates: Synthesis, Polymerizations, and Interactions with Hydroxyapatite(WILEY-V C H VERLAG GMBH, 2013) TÜRKER, ŞEBNEM BEGÜM; Bilgici, Zeynep Sarayli; Turker, Sebnem Begum; Avci, DuyguFive novel methacrylates containing either bisphosphonate (1 and 2), bisphosphonic acid (3), carboxylic acid (4), or both bisphosphonic andcarboxylic acid together (5), are synthesized. The monomers 1 and 2 are synthesized by the reactions of tetraethyl 1-hydroxyethane-1,1-diyldiphosphonate with ethyl -bromomethacrylate and tert-butyl -bromomethacrylate; the same procedure fails with tetraethyl hydroxy(phenyl)methylenediphosphonate. 1 is converted to 3 by hydrolysis with trimethylsilyl bromide (TMSBr), and 2 is converted to 4 by hydrolysis with trifluoroacetic acid (TFA). Monomer 5 is obtained by hydrolysis of 2 first with TMSBr and then with TFA. The hydrolytic stability, the properties of the copolymerizations with commercial dental monomers, and HAP interactions make these monomers promising candidates for dental adhesives. [GRAPHICS] .Publication Metadata only In Vitro Evaluation of the Marginal and Internal Accuracy of Different Types of Dental Ceramic Restorations Fabricated Based on Digital and Conventional Impressions(QUINTESSENCE PUBLISHING CO INC, 2021) TÜRKER, ŞEBNEM BEGÜM; Ozsurmeli, Halis; Turker, Sebnem BegumPurpose: To compare the marginal and internal gap values of different types of ceramic crowns fabricated based on digital and conventional impression methods. Materials and Methods: Ten noncarious extracted human teeth were prepared, and 60 restorations were made using six different impression and fabrication methods. Silicone replicas were obtained for marginal and internal gap evaluation. Statistical analyses were performed using Mann-Whitney U and Kruskal-Wallis tests (P < .05). Results: Statistically significant differences were found among various impression and fabrication methods. The smallest gap value was shown by the monolithic zirconia indirect digital scanning group (31.13 mu m), and the largest for the lithium disilicate indirect digital scanning group (90.09 mu m). Conclusion: The marginal and internal gap values of the restorations in the present study were 31.13 to 90.09 mu m. The marginal and internal discrepancies of the tested materials were considered clinically acceptable.