Influence of hydroxyethyl acrylamide addition to dental adhesive resin

Rodrigues, Stéfani Becker; Collares, Fabrício Mezzomo; Leitune, Vicente Castelo Branco; Schneider, Luís Felipe Jochims; Ogliari, Fabrício Aulo; Petzhold, César Liberato; Samuel, Susana Maria Werner

doi:10.1016/j.dental.2015.10.005

Cited by 31 publications

(24 citation statements)

References 38 publications

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“…This study showed that triclosan-loaded halloysite nanotubes could be scattering of the light during light-curing procedures; it is well-known that the higher the filler amount the lower the diffusion of the light thought the resin bulk [13,14]. However, high cross-linking density leads to increase mechanical stability, lowering the degradation of polymeric matrix [23,24]. adhesive mode compared to other groups in this study (Figure 2).…”

Section: Discussionmentioning

confidence: 59%

Polymerisation, antibacterial and bioactivity properties of experimental orthodontic adhesives containing triclosan-loaded halloysite nanotubes

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Genari

Leitune

et al. 2018

Journal of Dentistry

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Section: Discussionmentioning

confidence: 59%

Polymerisation, antibacterial and bioactivity properties of experimental orthodontic adhesives containing triclosan-loaded halloysite nanotubes

Degrazia

Genari

Leitune

et al. 2018

Journal of Dentistry

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“…The softening in ethanol assay is an indirect method to estimate the polymer crosslink density (25). Highly crosslinked polymers are more resistant to solvent degradation due to the closer polymer chains (26), while more linear polymers are prone to have the chains overtaken by the forces of polymer chains with the solvent molecules (26). In this study, these two triazine compound concentrations probably led to a more crosslinked polymer compared to control and 1% wt groups, creating a restorative material less prone to degradation over time.…”

Section: Discussionmentioning

confidence: 99%

Triazine Compound as Copolymerized Antibacterial Agent in Adhesive Resins

et al. 2017

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The aim of this study was to formulate and evaluate an experimental adhesive resin with the addition of 1,3,5-triacryloylhexahydro-1,3,5-triazine at different concentrations. Experimental adhesive resins were obtained by mixing 50% wt bisphenol A glycol dimethacrylate (BisGMA), 25% wt triethylene glycol dimethacrylate (TEGDMA), 25% wt 2-hydroxyethyl methacrylate (HEMA) and photoinitiator system. The triazine compound was added in 1, 2.5 and 5% wt to a base adhesive resin and one group remained with no triazine as control group. The experimental adhesive resins were analyzed for antibacterial activity (n=3), degree of conversion (n=3) and softening in solvent (n=3). Data distribution was evaluated by Kolmogorov-Smirnov test, paired t test, one-way ANOVA and Tukey's with a 0.05 level of significance. All groups with added triazine compound showed antibacterial activity against Streptococcus mutans (p<0.05). All groups achieved more than 70% degree of conversion, but there was no difference in this chemical property (p>0.05). The initial Knoop hardness was higher in 2.5 and 5% wt groups (p<0.05) and both groups present lower percentage variation of Knoop hardness after solvent degradation. The present study formulated an antibacterial adhesive resin with a non-releasing agent able to copolymerize with the comonomeric blend, improving the restorative material's properties.

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“…Even though all groups presented a reliable degree of conversion, the delay during the polymerization kinetics observed for G 1% and G 2% could induce the formation of a more linear polymer, with lower crosslinking density [35]. Therefore, the mechanical evaluation of the formulated materials was essential in better understanding their performance.…”

Section: Discussionmentioning

confidence: 99%

Myristyltrimethylammonium Bromide (MYTAB) as a Cationic Surface Agent to Inhibit Streptococcus mutans Grown over Dental Resins: An In Vitro Study

Nunes

et al. 2020

JFB

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This in vitro study evaluated the effect of myristyltrimethylammonium bromide (MYTAB) on the physical, chemical, and biological properties of an experimental dental resin. The resin was formulated with dental dimetacrylate monomers and a photoinitiator/co-initiator system. MYTAB was added at 0.5 (G 0.5% ), 1 (G 1% ), and 2 (G 2% ) wt %, and one group remained without MYTAB and was used as the control (G Ctrl ). The resins were analyzed for the polymerization kinetics, degree of conversion, ultimate tensile strength (UTS), antibacterial activity against Streptococcus mutans, and cytotoxicity against human keratinocytes. Changes in the polymerization kinetics profiling were observed, and the degree of conversion ranged from 57.36% (±2.50%) for G 2% to 61.88% (±1.91%) for G 0.5% , without a statistically significant difference among groups (p > 0.05). The UTS values ranged from 32.85 (±6.08) MPa for G 0.5% to 35.12 (±5.74) MPa for G Ctrl (p > 0.05). MYTAB groups showed antibacterial activity against biofilm formation from 0.5 wt % (p < 0.05) and against planktonic bacteria from 1 wt % (p < 0.05). The higher the MYTAB concentration, the higher the cytotoxic effect, without differences between G Ctrl e G 0.5% (p > 0.05). In conclusion, the addition of 0.5 wt % of MYTAB did not alter the physical and chemical properties of the dental resin and provided antibacterial activity without cytotoxic effect.

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Influence of hydroxyethyl acrylamide addition to dental adhesive resin

Cited by 31 publications

References 38 publications

Polymerisation, antibacterial and bioactivity properties of experimental orthodontic adhesives containing triclosan-loaded halloysite nanotubes

Polymerisation, antibacterial and bioactivity properties of experimental orthodontic adhesives containing triclosan-loaded halloysite nanotubes

Triazine Compound as Copolymerized Antibacterial Agent in Adhesive Resins

Myristyltrimethylammonium Bromide (MYTAB) as a Cationic Surface Agent to Inhibit Streptococcus mutans Grown over Dental Resins: An In Vitro Study

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