scholarly journals Influence of oxygen inhibition on the surface free energy and enamel bond strength of self-etch adhesives

2012 ◽  
Vol 31 (1) ◽  
pp. 26-31 ◽  
Author(s):  
Koji OYAMA ◽  
Akimasa TSUJIMOTO ◽  
Eiichiro OTSUKA ◽  
Yusuke SHIMIZU ◽  
Koji SHIRATSUCHI ◽  
...  
Keyword(s):  
Free Energy ◽  
Bond Strength ◽  
Surface Free Energy ◽  
Oxygen Inhibition ◽  
Self Etch

scholarly journals Effect of oxygen inhibition in two-step self-etch systems on surface free energy and dentin bond strength with a chemically cured resin composite

2014 ◽  
Vol 56 (3) ◽  
pp. 201-207 ◽  
Author(s):  
Ayumi Yamaji ◽  
Akimasa Tsujimoto ◽  
Tetsui Asaoka ◽  
Saki Matsuyoshi ◽  
Kenji Tsuchiya ◽  
...  
Keyword(s):  
Free Energy ◽  
Bond Strength ◽  
Surface Free Energy ◽  
Resin Composite ◽  
Oxygen Inhibition ◽  
Effect Of Oxygen ◽  
Self Etch

Influence of oxygen inhibition on the surface free-energy and dentin bond strength of self-etch adhesives

2011 ◽  
Vol 119 (5) ◽  
pp. 395-400 ◽  
Author(s):  
Kensaku Koga ◽  
Akimasa Tsujimoto ◽  
Ryo Ishii ◽  
Masayoshi Iino ◽  
Mayumi Kotaku ◽  
...  
Keyword(s):  
Free Energy ◽  
Bond Strength ◽  
Surface Free Energy ◽  
Oxygen Inhibition ◽  
Self Etch

scholarly journals Influence of light intensity on surface-free energy and dentin bond strength of single-step self-etch adhesives

2015 ◽  
Vol 34 (5) ◽  
pp. 611-617 ◽  
Author(s):  
Kie NOJIRI ◽  
Akimasa TSUJIMOTO ◽  
Takayuki SUZUKI ◽  
Syo SHIBASAKI ◽  
Saki MATSUYOSHI ◽  
...  
Keyword(s):  
Free Energy ◽  
Light Intensity ◽  
Bond Strength ◽  
Surface Free Energy ◽  
Single Step ◽  
Self Etch

Influence of warm air-drying on enamel bond strength and surface free-energy of self-etch adhesives

2013 ◽  
Vol 121 (4) ◽  
pp. 370-376 ◽  
Author(s):  
Koji Shiratsuchi ◽  
Akimasa Tsujimoto ◽  
Toshiki Takamizawa ◽  
Tetsuya Furuichi ◽  
Keishi Tsubota ◽  
...  
Keyword(s):  
Free Energy ◽  
Bond Strength ◽  
Surface Free Energy ◽  
Air Drying ◽  
Self Etch

scholarly journals Influence of Light Intensity on Surface Free Energy and Dentin Bond Strength of Core Build-up Resins

2015 ◽  
Vol 40 (1) ◽  
pp. 87-95 ◽  
Author(s):  
Y Shimizu ◽  
A Tsujimoto ◽  
T Furuichi ◽  
T Suzuki ◽  
K Tsubota ◽  
...  
Keyword(s):  
Free Energy ◽  
Light Intensity ◽  
Bond Strength ◽  
Surface Free Energy ◽  
Testing Machine ◽  
Contact Angles ◽  
Significance Level ◽  
The Core ◽  
Light Intensities ◽  
Bond Strengths

SUMMARY Objective We examined the influence of light intensity on surface free energy characteristics and dentin bond strength of dual-cure direct core build-up resin systems. Methods Two commercially available dual-cure direct core build-up resin systems, Clearfil DC Core Automix with Clearfil Bond SE One and UniFil Core EM with Self-Etching Bond, were studied. Bovine mandibular incisors were mounted in acrylic resin and the facial dentin surfaces were wet ground on 600-grit silicon carbide paper. Adhesives were applied to dentin surfaces and cured with light intensities of 0 (no irradiation), 200, 400, and 600 mW/cm2. The surface free energy of the adhesives (five samples per group) was determined by measuring the contact angles of three test liquids placed on the cured adhesives. To determine the strength of the dentin bond, the core build-up resin pastes were condensed into the mold on the adhesive-treated dentin surfaces according to the methods described for the surface free energy measurement. The resin pastes were cured with the same light intensities as those used for the adhesives. Ten specimens per group were stored in water maintained at 37°C for 24 hours, after which they were shear tested at a crosshead speed of 1.0 mm/minute in a universal testing machine. Two-way analysis of variance (ANOVA) and a Tukey-Kramer test were performed, with the significance level set at 0.05. Results The surface free energies of the adhesive-treated dentin surfaces decreased with an increase in the light intensity of the curing unit. Two-way ANOVA revealed that the type of core build-up system and the light intensity significantly influence the bond strength, although there was no significant interaction between the two factors. The highest bond strengths were achieved when the resin pastes were cured with the strongest light intensity for all the core build-up systems. When polymerized with a light intensity of 200 mW/cm2 or less, significantly lower bond strengths were observed. Conclusions The data suggest that the dentin bond strength of core build-up systems are still affected by the light intensity of the curing unit, which is based on the surface free energy of the adhesives. On the basis of the results and limitations of the test conditions used in this study, it appears that a light intensity of >400 mW/cm2 may be required for achieving the optimal dentin bond strength.

scholarly journals Influence of air-powder polishing on bond strength and surface-free energy of universal adhesive systems

2017 ◽  
Vol 36 (6) ◽  
pp. 762-769 ◽  
Author(s):  
Yukie TAMURA ◽  
Toshiki TAKAMIZAWA ◽  
Yutaka SHIMAMURA ◽  
Shunsuke AKIBA ◽  
Chiaki YABUKI ◽  
...  
Keyword(s):  
Free Energy ◽  
Bond Strength ◽  
Surface Free Energy ◽  
Adhesive Systems ◽  
Universal Adhesive

scholarly journals Influence of surface treatment of glass-ionomers on surface free energy and bond strength of resin composite

2013 ◽  
Vol 32 (5) ◽  
pp. 702-708 ◽  
Author(s):  
Eiichiro OTSUKA ◽  
Akimasa TSUJIMOTO ◽  
Toshiki TAKAMIZAWA ◽  
Tetsuya FURUICHI ◽  
Miho YOKOKAWA ◽  
...  
Keyword(s):  
Free Energy ◽  
Bond Strength ◽  
Surface Treatment ◽  
Surface Free Energy ◽  
Resin Composite

Influence of temporary cement contamination on the surface free energy and dentine bond strength of self-adhesive cements

2012 ◽  
Vol 40 (2) ◽  
pp. 131-138 ◽  
Author(s):  
Masayuki Takimoto ◽  
Ryo Ishii ◽  
Masayoshi Iino ◽  
Yusuke Shimizu ◽  
Akimasa Tsujimoto ◽  
...  
Keyword(s):  
Free Energy ◽  
Bond Strength ◽  
Surface Free Energy
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