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- Title
Effect of various dimethyl sulfoxide concentrations on the durability of dentin bonding and hybrid layer quality.
- Authors
SALIM Al-Ani, Anas Aaqel; MUTLUAY, Murat; Scarabello STAPE, Thiago Henrique; TJÄDERHANE, Leo; TEZVERGIL MUTLUAY, Arzu
- Abstract
The objective was to evaluate effect of dimethyl sulfoxide (DMSO) on microtensile bond strength (μTBS) and nanoleakage (NL). Superficial dentin was acid-etched and pretreated with DMSO. Etch-and-rinse adhesive was applied and restored with resin composite incrementally. After 24 h, teeth were sectioned, stored in artificial saliva for 24-h or 6-months before μTBS evaluation. Failure modes were examined. Six beams per group were submitted to nanoleakage evaluation using SEM. Data were analyzed using ANOVA and Tukey's test (α=0.05). Pretreatment had no significant effect on μTBS after 24 h (p>0.05). After 6 months storage, μTBS of control decreased significantly, more than with the groups treated with 0.01% or higher (p<0.05). DMSO-pretreated groups preserved μTBS in all groups. After 6-months, all groups except 0.001% showed significantly lower nanoleakege compared to control (p<0.05). DMSO (0.01-20%) may improve the hybrid layer integrity and bonding durability. The best results were seen with low (1-5%) of DMSO concentrations.
- Subjects
DIMETHYL sulfoxide; CHEMICAL bonds; DENTIN; DENTAL resins; ANALYSIS of variance
- Publication
Dental Materials Journal, 2018, Vol 37, Issue 3, p501
- ISSN
0287-4547
- Publication type
Article
- DOI
10.4012/dmj.2017-213