Effects of Resin Hydrophilicity on Dentin Bond Strength
Y. Nishitani1,
M. Yoshiyama1,
A.M. Donnelly2,
K.A. Agee2,
J. Sword2,
F.R. Tay2, and
D.H. Pashley2,*
1 Department of Operative Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan; and
2 Department of Oral Biology & Maxillofacial Pathology, School of Dentistry, Medical College of Georgia, Augusta, GA 30912-1129, USA

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Figure 2. Relationships between least-squares means of microtensile bond strengths and Hoys solubility parameters for polar forces ( p) of resins 15 (numbers in parentheses indicate the N upon which the mean value is based). (A) Least-squares means bond strengths of 50% ethanol-solvated resins 15 to acid-etched dentin saturated with water. (B) Least-squares means bond strengths of 50% ethanol-solvated resins 15 to acid-etched dentin saturated with ethanol. (C) Least-squares means bond strengths of 50% ethanol-solvated resins 15 to dry acid-etched dentin.
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