New adhesive system based in metals cross-linking methacrylate

This study evaluated the anti-antibiofilm potential of silver methacrylate (Ag) or di-n-butyldimethacrylatetin (Sn) in experimental adhesive systems. Ag and Sn methacrylates were incorporated at 0.5mol%, 1mol% and 2mol% in an adhesive resin. The anti-antibiofilm potential, degree of conversion (DC),...

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Bibliographic Details
Published in:Journal of the mechanical behavior of biomedical materials 2018-01, Vol.77, p.519-526
Main Authors: Rubin Cocco, Alexandra, de Oliveira da Rosa, Wellington Luiz, Luque Peralta, Sônia, Timm Maske, Tamires, da Silva, Adriana Fernandes, Andrade Hartwig, Carla, Foster Mesko, Marcia, Piva, Evandro, Guerra Lund, Rafael
Format: Article
Language:English
Subjects:
Adhesives
Anti-Bacterial Agents - chemistry
Bacterial Adhesion
Biofilms
Cell Survival
Composite Resins - chemistry
Cross-Linking Reagents - chemistry
Dental Bonding
Dentin - chemistry
Dentin-Bonding Agents - chemistry
Materials Testing
Metals - chemistry
Methacrylates - chemistry
Microscopy, Electron, Scanning
Resin Cements - chemistry
Saliva
Silver - chemistry
Streptococcus mutans
Stress, Mechanical
Surface Properties
Tensile Strength
Water
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Summary:This study evaluated the anti-antibiofilm potential of silver methacrylate (Ag) or di-n-butyldimethacrylatetin (Sn) in experimental adhesive systems. Ag and Sn methacrylates were incorporated at 0.5mol%, 1mol% and 2mol% in an adhesive resin. The anti-antibiofilm potential, degree of conversion (DC), microtensile bond strength (μTBS), water sorption/solubility (W ), bonded interfaces pattern (SEM), cytotoxicity and leaching of Ag and Sn ions were evaluated. Data were statistically analyzed considering α = 0.05. Only Ag at 2% affected DC and μTBS. Ag at 1% and 2% and Sn at 1% and 2% showed anti-biofilm potential against Mutans streptococci. Ag at 1% and 2% and Sn at 2% showed a statistically significant difference to the control in W (p < 0.05). The additions of metal methacrylate did not affect cell viability, being the adhesive resins statistically similar to controls. Leached metals of Ag were more than 100x higher than for Sn. Between the concentration tested, Ag and Sn methacrylate at 1% presented an anti-biofilm effect without altering the mechanical properties evaluated.
ISSN:1751-6161
1878-0180
DOI:10.1016/j.jmbbm.2017.10.010