Yıl: 2021 Cilt: 11 Sayı: 3 Sayfa Aralığı: 172 - 179 Metin Dili: İngilizce DOI: 10.5577/intdentres.2021.vol11.no3.6 İndeks Tarihi: 25-05-2022

A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites

Öz:
Aim: The aim of this study was to compare the Vickers hardness numbers (VHNs) of two bulk-fill resin-based composites (BFRBC) and a conventional hybrid resin-based composite (RBC) through the layers of a 5mm thickness model with two different light-curing time intervals. Methodology: In the present study, a sonic-activated and dual-cure BFRBC, and a conventional hybrid RBC were used. Semi-cylindrical specimens 4 mm in radius and 5 mm in height were prepared using a twopiece stainless-steel mold (n=10). The BFRBCs allowed a single 5mm increment to be introduced into the molds, whereas hybrid RBC was incremented (2+2+1 mm). Two different time intervals were applied for the light-curing (irradiance of 1200 mW/cm2) of each material (hybridsonic-activated bulk-fill, 20 s and 40 s; dual-cure bulk-fill, 7 s and 15 s). VHN measurements were carried out from top to bottom at every 1 mm of the specimen thickness. Data were analyzed using three-way and two-way ANOVA for the VHN and bottom/top ratios and Bonferroni correction for multiple comparisons (p=0.05). Results: For each layer and time interval groups, there was a significant difference between the materials. The highest VHN was found within hybrid groups, whereas dual-cure bulk-fill groups showed the lowest results. Sonic-activated bulk-fill had the lowest bottom/top ratios, which were significantly different from those of the other materials. There was no significant difference between the different time intervals for bottom/top ratios within each material. Conclusion: Increased irradiation intervals positively affected the VHN of hybrid and dual-cure bulk-fill. BFRBCs showed clinically acceptable bottom/top hardness ratios.
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APA Aytac Bal F, AĞACCIOĞLU M, demir o (2021). A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. , 172 - 179. 10.5577/intdentres.2021.vol11.no3.6
Chicago Aytac Bal Fatma,AĞACCIOĞLU Merve,demir osman A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. (2021): 172 - 179. 10.5577/intdentres.2021.vol11.no3.6
MLA Aytac Bal Fatma,AĞACCIOĞLU Merve,demir osman A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. , 2021, ss.172 - 179. 10.5577/intdentres.2021.vol11.no3.6
AMA Aytac Bal F,AĞACCIOĞLU M,demir o A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. . 2021; 172 - 179. 10.5577/intdentres.2021.vol11.no3.6
Vancouver Aytac Bal F,AĞACCIOĞLU M,demir o A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. . 2021; 172 - 179. 10.5577/intdentres.2021.vol11.no3.6
IEEE Aytac Bal F,AĞACCIOĞLU M,demir o "A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites." , ss.172 - 179, 2021. 10.5577/intdentres.2021.vol11.no3.6
ISNAD Aytac Bal, Fatma vd. "A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites". (2021), 172-179. https://doi.org/10.5577/intdentres.2021.vol11.no3.6
APA Aytac Bal F, AĞACCIOĞLU M, demir o (2021). A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. International Dental Research, 11(3), 172 - 179. 10.5577/intdentres.2021.vol11.no3.6
Chicago Aytac Bal Fatma,AĞACCIOĞLU Merve,demir osman A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. International Dental Research 11, no.3 (2021): 172 - 179. 10.5577/intdentres.2021.vol11.no3.6
MLA Aytac Bal Fatma,AĞACCIOĞLU Merve,demir osman A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. International Dental Research, vol.11, no.3, 2021, ss.172 - 179. 10.5577/intdentres.2021.vol11.no3.6
AMA Aytac Bal F,AĞACCIOĞLU M,demir o A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. International Dental Research. 2021; 11(3): 172 - 179. 10.5577/intdentres.2021.vol11.no3.6
Vancouver Aytac Bal F,AĞACCIOĞLU M,demir o A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites. International Dental Research. 2021; 11(3): 172 - 179. 10.5577/intdentres.2021.vol11.no3.6
IEEE Aytac Bal F,AĞACCIOĞLU M,demir o "A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites." International Dental Research, 11, ss.172 - 179, 2021. 10.5577/intdentres.2021.vol11.no3.6
ISNAD Aytac Bal, Fatma vd. "A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites". International Dental Research 11/3 (2021), 172-179. https://doi.org/10.5577/intdentres.2021.vol11.no3.6