Abstract:
:This study evaluated the effect of different adhesive protocols on the shear bond strength (SBS) of bulk-fill resin composite repaired with bulk-fill or conventional composite. Cylindrical bulk-fill resin composite specimens were prepared and allocated into groups according to the bonding strategy: no treatment, Silane+Scotch Bond Multipurpose (S+SBMP), Tetric N Bond Universal, and Single Bond Universal. Following bonding strategy, bulk-fill or conventional composite buildups were performed. After 24 h of storage in distilled water at 37°C, shear force was applied to the interface using a universal testing machine. The data were analyzed by two-way ANOVA and Tukey test (α=0.05). SBS was influenced by the bonding strategy and the composite used (p<0.001). Irrespective of the composite used, the group S+SBMP yielded the highest SBS values (p<0.001). Repair bond strength of bulk-fill composites can be improved by using a silane coupling agent followed by a hydrophobic resin.
journal_name
Dent Mater Jjournal_title
Dental materials journalauthors
Cuevas-Suárez CE,Nakanishi L,Isolan CP,Ribeiro JS,Moreira AG,Piva Edoi
10.4012/dmj.2018-291subject
Has Abstractpub_date
2020-03-31 00:00:00pages
236-241issue
2eissn
0287-4547issn
1881-1361journal_volume
39pub_type
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