Effect of the type of acidic monomer on the bond durability of two-bottle type ceramic primer

Tanimura, Hideki

doi:10.2334/josnusd.16-0155

Cited by 4 publications

(2 citation statements)

References 14 publications

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“…When used after hydrofluoric acid or air abrasion treatment, a primer containing MDP and silane coupling agent significantly improved the four-point bending strength, versus treated by acid or air abrasion alone 27) . Similarly with lithium disilicate ceramic, MDP was superior to acetic acid when used as a hydrolysis catalyst for silane coupling agent by yielding significantly higher bond strength 21,22) .…”

Section: Discussionmentioning

confidence: 99%

“…Two-bottle silane coupling primers are complex because of multiple bottles and steps, but are deemed more effective than the one-bottle type. On the use of acetic acid and acidic adhesive monomers as a hydrolysis catalyst for silane coupling agents, MDP -compared with acetic acidwas found to increase the bond strength between lithium disilicate ceramic or leucite-reinforced ceramic to luting agent 21,22) .…”

Section: Introductionmentioning

confidence: 99%

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Phosphate group adsorption capacity of inorganic elements affects bond strength between CAD/CAM composite block and luting agent

et al. 2021

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This study aimed to investigate whether inorganic elements of polymer-infiltrated ceramic (PIC) and microfilled resin (MFR) for CAD/ CAM would affect initial bond strength to luting agent. Inorganic elements of PIC and MFR were different with shape and ingredient observed by SEM, STEM and EDS. Microtensile bond strengths (µTBS) value of PIC was increased by 10-methacryloyloxydecyl dihydrogen phosphate (MDP) and acetic acid (AA)-or MDP-activated silane treatment, and further increased by succeeding heat treatment (HT). The µTBS of MFR was increased by MDP and MDP-activated silane, but decreased by AA-activated silane without HT. The HT improved the µTBS of MFR with AA-activated silane, but conversely for MDP-activated silane. Only in MFR, phosphoric acid (PA) application before each surface treatment dramatically decreased the µTBS of AA-activated silane. FTIR peaks in MFR shifted according to phosphate group's peak. MFR would possess high phosphate group adsorption capacity, with MDP effectively improving its bonding capability.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Phosphate group adsorption capacity of inorganic elements affects bond strength between CAD/CAM composite block and luting agent

et al. 2021

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New silyl-functionalized BisGMA provides autonomous strengthening without leaching for dental adhesives

Song

et al. 2019

Acta Biomaterialia

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Resin-based composite has overtaken dental amalgam as the most popular material for direct restorative dentistry. In spite of this popularity the clinical lifetime of composite restorations is threatened by recurrent decay. Degradation of the adhesive leads to gaps at the composite/tooth interface—bacteria, bacterial by-products and fluids infiltrate the gaps leading to recurrent decay and composite restoration failure. The durability of resin-dentin bonds is a major problem. We address this problem by synthesizing silyl-functionalized BisGMA (e.g., silyl-BisGMA), formulating dental adhesives with the new monomer and determining the physicochemical properties and leaching characteristics of the silyl-BisGMA adhesives. Silyl-BisGMA was synthesized by stoichiometric amounts of BisGMA and 3-isocyanatopropyl trimethoxysilane (IPTMS). The control adhesive was a mixture based on HEMA/BisGMA (45/55, w/w). In the experimental formulations, BisGMA was partially or completely replaced by silyl-BisGMA. Water miscibility, polymerization behavior (Fourier transform infrared spectroscopy, FTIR), thermal property (modulated differential scanning calorimetry, MDSC), mechanical properties in dry and wet conditions (dynamic mechanical analysis, DMA), and leached species (HPLC) were investigated. Data from all tests were submitted to appropriate statistical analysis (α = 0.05). Silyl-BisGMA-containing adhesives exhibited comparable water miscibility, lower viscosities, and significantly improved degree of conversion of C=C bond as compared to the control. After 4 weeks aqueous aging, the glass transition temperature and rubbery moduli of the experimental copolymers were significantly greater than the control (p<0.05). HPLC results indicated a substantial reduction of leached HEMA (up to 99 wt%) and BisGMA (up to 90 wt%). By introducing silyl-functional group, the new BisGMA derivative exhibited potential as a monomer that can lead to dental adhesives with improved mechanical properties and reduced leaching under conditions relevant to the oral environment.

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Zirconia surface modification by a novel zirconia bonding system and its adhesion mechanism

et al. 2017

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Effect of the type of acidic monomer on the bond durability of two-bottle type ceramic primer

Cited by 4 publications

References 14 publications

Phosphate group adsorption capacity of inorganic elements affects bond strength between CAD/CAM composite block and luting agent

Phosphate group adsorption capacity of inorganic elements affects bond strength between CAD/CAM composite block and luting agent

New silyl-functionalized BisGMA provides autonomous strengthening without leaching for dental adhesives

Zirconia surface modification by a novel zirconia bonding system and its adhesion mechanism

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