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- Title
In vitro wear of flowable resin composite for posterior restorations.
- Authors
Koichi SHINKAI; Yoshihisa TAIRA; Shiro SUZUKI; Masaya SUZUKI
- Abstract
The purpose of this study was to examine three- and two-body wear values of flowable resin composites for posterior restorations, using a mechanical loading device. The cavities prepared on flattened extracted molars were restored with flowable resin composites (Clearfil Majesty LV: MLV, Estelite Flow Quick: EFQ, Beautifil Flow Plus F00: BFP, and MI Fill: MIF) using accompanying adhesive systems. A universal resin composite (Clearfil Majesty) was used as a control. The specimens were subjected to in vitro three- and two-body wear testing. MLV showed high wear value (three-body: 14.69 μm, two-body: 0.268 mm³) compared with other materials tested in both three- and two-body wear tests. BFP showed high three-body wear value (5.78 μm), whereas low two-body wear value (0.008 mm³). MIF and EFQ showed equivalent wear values (MIF, three-body: 0.42 µm, two-body: 0.026 mm³; EFQ, three-body: 1.15 μm, two-body: 0.14 mm³) to that of the control in both wear tests.
- Subjects
DENTAL resins; WEAR-testing machines; TWO-body problem (Physics); DENTAL adhesives; THREE-body problem
- Publication
Dental Materials Journal, 2016, Vol 35, Issue 1, p37
- ISSN
0287-4547
- Publication type
Article
- DOI
10.4012/dmj.2015-080