Flexural properties and dentin adhesion in recently developed self-adhesive bulk-fill materials
- 1 January 2021
- journal article
- research article
- Published by Nihon University School of Dentistry in Journal of Oral Science
- Vol. 63 (2), 139-144
- https://doi.org/10.2334/josnusd.20-0448
Abstract
Purpose: This study investigated the flexural properties, shear bond strength (SBS) and interface to dentin of three recently developed self-adhesive bulk-fill materials. Methods: Bars of Surefil One (SO), Cention N (CN), Activa BioActive Restorative (AB) and EQUIA Forte HT Fil (EQUIA) were tested for flexural strength and flexural modulus in self-curing and light-curing modes. In addition, SBS to dentin was tested in specimens without pretreatment and after application of universal adhesive (Scotchbond Universal). EQUIA was used as the control material. Results: The flexural properties were significantly better in light-curing mode for all materials except CN. CN had the highest SBS values after universal adhesive application (33.8 MPa), and SO had the highest SBS without pretreatment (20.9 MPa). Conclusion: The mechanical and adhesive properties of these new materials varied widely.Keywords
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