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Bond strength of composites to hybrid ionomers
W H Tate1, K H Friedl, J M Powers
1University of Texas-Houston Health Science Center, Department of General Dentistry 77030-3402, USA.
Operative Dentistry
|July 1, 1996
Abstract:
Tensile bond strengths among three different hybrid ionomers and two different hybrid composites were evaluated. With one exception, bond strength to a high-modulus composite (Z-100) was higher than that to a low-modulus composite (Charisma). Thermocycling lowered the bond strength of Charisma, whereas storage for 3 months increased the bond strength of Z-100 compared to storage for 24 hours. Etching the hybrid ionomers with phosphoric acid had no effect on bond strength.