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SARIALİOĞLU GÜNGÖR, AYÇA

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Has files: false × Start date: 2020 × End date: 2022 × Subject: Şeşen Uslu Y., Doğruer I., Sarıalioğlu Güngör A., Ulukapı H., -The Effect of Whitening Dentifrices on the Surface Roughness of Different Composite Resins-, 10th Virtual Conseuro 2021 Congress, İstanbul, Türkiye, 22 - 24 Nisan 2021, ss.21 ×

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    The Effect of Whitening Dentifrices on the Surface Roughness of Different Composite Resins
    (2021-04-22T00:00:00Z) Şeşen Uslu, Yeşim; Doğruer, Işıl; Sarıalioğlu Güngör, Ayça; Ulukapı, Haşmet; SARIALİOĞLU GÜNGÖR, AYÇA
    Aim: The aim of this in-vitro study was to evaluate surface roughness (SR) of two different composite resins after toothbrushing with different whitening toothpastes.Materials and Methods: Filtek Z250 universal composite resin (3M) (3M ESPE, St. Paul, MN, USA) containing bis-GMA and Charisma Topaz (CT) nano-hybrid composite resin (Heraeus Kulzer, Wehrheim, Germany) without bis-GMA were used in the study. 50 disc-shaped specimens of 10 mm in diameter and 2 mm in thickness were prepared from each composite. The prepared discs were kept at 370C for 24 hours and then separated in 5 subgroups: G1 control (artificial saliva) group, G2 Colgate Optical White Active Charcoal (containing active carbon), G3 Yotuel (containing carbamide peroxide), G4 Opalescence (containing abrasive particle), and G5 Sensodyne, Promine (containing fluoride) pastes (n = 10).After initialmeasurements and SR1 values were recorded.The discs were brushed in continuous mode with an electric toothbrush (Triumph Professional Care, Oral B Braun GmbH, Kronberg / Ts., Germany) in a slurry (1:3 g/ml) of the tested toothpastes (1.5 N). Samples were brushed twice a day for 4 weeks and 8 weeks to mimic the daily routine. Samples were conserved in artificial saliva between brushing cycles. After 4 weeks and 8 weeks cycles, SR2 and SR3 values were recorded. The obtained data were analyzed by three-way mixed ANOVA.Results: There were no statistically significant differences between the two composite resin materials (p=0.575). When the whitening dentifrices groups were compared f o r both ma t e r i a l s , there was no statistical difference after 4 weeks and 8 weeks. The SR value of the control groups (0,948 ± 0,118 3M, 1,006 ± 0,187 CT) were significantly lower than the Charcoal groups (1,672 ± 0,314 3M, 1,653 ± 0,265 CT) at the end of 8 weeks (p<.05).Conclusion: After simulated brushing with whitening toothpastes, similar degree of roughness was observed on the composite resins tested.Keywords: surface roughness, toothbrushing, whitening toothpaste, resin composite