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DALKILIÇ, EVRIM

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Now showing 1 - 10 of 56
  • PublicationMetadata only
    The color change of a novel single-shade composite immersed in different beverages.
    (2022-12-01) Fazlıoğlu L.; Oğlakçı B.; Özduman Z. C.; Dalkılıç E.; FAZLIOĞLU, LEYLA; OĞLAKÇI, BURCU; ÖZDUMAN, ZÜMRÜT CEREN; DALKILIÇ, EVRIM
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    Surface Roughness of Nanoceramic Composite and Giomer with Different Finishing and Polishing Systems
    (2022-04-22T00:00:00Z) Öztürk Yeşilırmak, Sevda; Özduman, Zümrüt Ceren; Dalkılıç, Evrim; OĞLAKÇI, BURCU; ÖZDUMAN, ZÜMRÜT CEREN; DALKILIÇ, EVRIM
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    Repair Bond Strength of Hybrid CAD/CAM Materials After Silane Heat Treatment with Laser
    (2022-05-28T00:00:00Z) Değer, Ceren; Oğlakçı, Burcu; Özduman, Zümrüt Ceren; Dalkılıç, Evrim; DEĞER, CEREN; OĞLAKÇI, BURCU; ÖZDUMAN, ZÜMRÜT CEREN; DALKILIÇ, EVRIM
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    Effect of titanium dioxide nanotubes on the mechanical and antibacterial properties of the low-viscosity bulk-fill composite
    (2021-10-01T00:00:00Z) ÖZLEN, RÜMEYSA HATİCE; DALKILIÇ, Evrim; KÜÇÜKYILDIRIM, Bedri Onur; AKDOĞAN EKER, Ayşegül; Topcuoglu, Nursen; Kulekci, Guven; ÖZLEN, RÜMEYSA HATİCE; DALKILIÇ, EVRIM
    The purpose of this investigation is to determine the impact of titanium dioxide nanotubes (TiO2-n) on the mechanical and antibacterial properties of bulk-fill composite resin. TiO2-n were synthesized in laboratory conditions using the hydrothermal method. Varying amounts of TiO2-n were included in the bulk-fill composite resin. Microhardness, surface roughness, and the three-point bending test were used to determine the mechanical properties of the composite. After the flexural strength test, the fractured surfaces of the composite resin were examined with a high-resolution scanning electron microscope. The antibacterial activity of Streptococcus mutans (S.mutans) and Lactobacillus Casei (L.casei) was assessed using a direct contact test. The statistical examination was completed using IBM SPSS Statistics 22. Group differences were compared using the Kruskal Wallis and Dunn tests (p 0.05). Adding 0.5% and 1% TiO2-n increased the microhardness of the bulk-fill composite (p 0.05). Though adding TiO2-n did not have an antibacterial impact on S.mutans (p > 0.05), adding 0.5% TiO2-n produced an antibacterial impact on L.casei in daylight (p < 0.05). The addition of 0.5% and 1% TiO2-n increased the microhardness of the top surface of the bulk-fill composite without negatively affecting surface roughness or the composite-s three-point bending properties Adding 0.5% TiO2-n to the composite resin produced an antibacterial impact on L.casei in daylight.
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    An Alternative Adhesive Strategy to Optimize Bonding to Root Dentin
    (2011-10-01T00:00:00Z) Belli, Sema; Cobankara, Funda Kont; Ozcopur, Betul; Eliguzeloglu, EVRİM; Eskitascioglu, Gurcan; DALKILIÇ, EVRIM
    Introduction: This study examined the hypothesis that the shear-bond strengths of AH Plus (AH) and Hybrid Root Seal (HRS) to root dentin might be optimized by using a powdered dentin-reinforced bonding procedure. Methods: The surfaces of root halves obtained from extracted human premolars were ground (800-grit silicon carbide paper), treated (5.25% NaOCl 17% EDTA for 5 minutes followed by distilled water) and randomly allocated into two groups according to the sealer and then into three subgroups according to bonding procedure. Dentin particles with a maximum size of 25 mu m were incorporated into the adhesive of Clearfil Liner Bond 2V, and groups were created as follows: no adhesive, adhesive alone, and with powdered dentin reinforced adhesive; 3 x 3 mm high buildups were created using sealer and allowed to set (37 degrees C, 100% humidity, 72 hours). Shear tests were performed (1 mm/min). Data were calculated as MPa and analyzed (two-way analysis of variance, Tukey test). Results: A significant difference was found between the groups (P = .000). Adhesive or reinforced adhesive had a negative effect on the shear-bond strength of AH, but they significantly increased the shear-bond strength of HRS (P = .000). HRS showed a similar bond strength with either adhesive alone or adhesive reinforced with powdered dentin. AH group was characterized by mixed failure, whereas the predominant failure type of the HRS group was cohesive failure within the sealer. Conclusions: Reinforcing adhesive resin with powdered dentin may be considered an alternative for optimizing the bonding of methacrylate-based sealers to root dentin and might affect the shear bond strength. (J Endod 2011;37:1427-1432)
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    Effects of Experimental Nanohydroxyapatite and Er:YAG Laser on Dentin Hypersensitivity
    (2022-09-15T00:00:00Z) Şahin, Demet; Değer, Ceren; Oğlakçı, Burcu; Demirkol, Metehan; Küçükyıldırım, Bedri Onur; Gürsel, Mehtikar; Dalkılıç, Evrim; ŞAHİN, DEMET; DEĞER, CEREN; OĞLAKÇI, BURCU; GÜRSEL, MEHTİKAR; DALKILIÇ, EVRIM
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    Shear Bond Strength of Indirect Pulp Capping Materials to Caries-Affected Dentin
    (2021-04-22T00:00:00Z) Özduman, Zümrüt Ceren; Oğlakçı, Burcu; Dalkılıç, Evrim; ÖZDUMAN, ZÜMRÜT CEREN; OĞLAKÇI, BURCU; DALKILIÇ, EVRIM
    Aim: To evaluate the shear bond strength (SBS) of indirect pulp capping materials to cariesaffected dentin (CAD) with/without chlorhexidine (CHX) pretreatment.Materials and Methods: Coronal dentin surfaces of 150 extracted sound human molar teeth wereground flat. Artificial CAD were obtained. Half of the specimens were pretreated with 2%CHX andhalf of them received no-pretreatment before the application of indirect pulp capping materials(n=15). Five materials were assessed: 1-Conventional glass ionomer cement (Fuji IX, GC, Japan)(CGIC) 2-Resin modified glass ionomer cement (Fuji II GC, Japan) (RMGIC), 3-Resin modified glassionomer bioactive cement (Activa Bioactive, Pulpdent, USA) (ACT) 4-Resin modified tricalciumsilicate (Theracal, Bisco, USA) (RMCS), 5-Water-based tricalcium silicate, (Biodentine, Septodont,France) (WBCS). To evaluate the SBS, the Universal Test machine was used (1mm/min).Data were evaluated by Student’s t-test and one-way ANOVA. The differences betweengroups were analyzed by Mann-Whitney U and Kruskal-Wallis test. Pairwise comparisons weredetermined with the post-hoc Tukey HSD or Dunn-Bonferroni test. Unless otherwise stated,results for p<0.05 were considered statistically significant. Bonferroni Correction was made tocontrol Type I error in multiple comparisons.Results: Among the groups without pretreatment; SBS of RMCS [0.72(0.59-1.09) MPa] and WBCS[0.89 (0.31-1.05) MPa] were found to be significantly lower compared to ACT [4.37(3.34-6.45) MPa],CGIC [2.52(1.88-6.36) MPa] and RMGIC [5.24(3.23-8.27) MPa] (p<0.01). There were no significantdifferences between Group ACT, CGIC and RMGIC and between Group RMCS and WBCS(p>0.05).Among the CHX pretreated samples, SBS of Group RMCS [0.43(0.14-0.86) MPa] and WBCS[0.21(0.16-0.35) MPa] were found to be significantly lower than Group ACT [4.33(2.68-7.06) MPa],CGIC [4.36(3.61-7.44) MPa] and RMGIC [7.56(6.38-10.29) MPa] (p<0.01). There were no significantdifferences between Group ACT, CGIC and RMGIC and between Group RMCS and WBCS (p>0.05).There was no statistically significant difference between the groups with and without CHXpretreatment in all materials (p>0.010) except for WBCS. CHX pretreated WBCS group showedlower SBS than the WBCS/without CHX (p=0.007).Conclusion: Tricalcium silicate-based materials had lower shear bond strength than glassionomer-based materials, both with and without pre-treatment of CHX.*This study was funded by Scientific and Technological Research Council of Turkey (TUBITAK)(ProjectNo:119S048)Keywords: indirect pulp capping material, shear bond strength, caries affected dentin
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    The effect of home bleaching agent and polymerization time on surface roughness.
    (2019-08-29T00:00:00Z) FİLDİŞİ, MEHMET ALİ; ÖZLEN, RÜMEYSA HATİCE; Özduman, Zümrüt Ceren; DALKILIÇ, EVRİM; KAZAK, MAĞRUR; DÖNMEZ, NAZMİYE; FİLDİŞİ, MEHMET ALİ; ÖZLEN, RÜMEYSA HATİCE; DALKILIÇ, EVRIM; DÖNMEZ, NAZMİYE
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    İlave Fiber Uygulaması Düşük Viskoziteli Bulk Fil Rezin ile Restore Edilmiş Endodontik Tedavi Görmüş Dişlerin Kırılma Dayanımını Etkiler Mi
    (2018-11-30T00:00:00Z) DALKILIÇ, EVRİM; FİLDİŞİ, MEHMET ALİ; KAZAK, MAĞRUR; DÖNMEZ, NAZMİYE; DENİZ ARISU, HACER; HİSARBEYLİ, DUYGU; FİLDİŞİ, MEHMET ALİ; DALKILIÇ, EVRIM; KAZAK, MAĞRUR; DÖNMEZ, NAZMİYE