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- Title
The strategies used for curing universal adhesives affect the micro-bond strength of resin cement used to lute indirect resin composites to human dentin.
- Authors
Daisuke ARAOKA; Keiichi HOSAKA; Masatoshi NAKAJIMA; FOXTON, Richard; Ornnicha THANATVARAKORN; Taweesak PRASANSUTTIPORN; Ayaka CHIBA; Kento SATO; Masahiro TAKAHASHI; Masayuki OTSUKI; Junji TAGAMI
- Abstract
We evaluated the effect of different curing strategies for universal adhesives on micro-tensile bond strength (μTBS) between resin cement and dentin and/or between resin cement and indirect resin composite. Flat coronal dentin surfaces and composite resin disks were pretreated with silane-containing universal adhesives, with or without light-curing on the dentin-side and/or composite resin disk-side. Resin disks were luted onto the pretreated dentin surfaces with the corresponding dual-cure adhesive resin cements and light-cured, and cut into beams after 24-h water storage. After 0 or 10,000 thermocycles (5°C/55°C) in a water bath, the μTBS of the composite resin disk--dentin beam was tested. The μTBS was highest when universal adhesives were applied to both the dentin- and the indirect composite resin disk-side, followed by light-curing. Thermocycling decreased μTBS in all but the Scotchbond Universaltreated group, with light-curing on both sides. The effect of curing strategies is dependent upon the materials.
- Subjects
TENSILE strength; DENTIN; DENTAL resins; THERMOCYCLING; ADHESIVES
- Publication
Dental Materials Journal, 2018, Vol 37, Issue 3, p506
- ISSN
0287-4547
- Publication type
Article
- DOI
10.4012/dmj.2017-240