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Title: Shear bond of resin cement to post-cured hybrid composites
Authors: Stokes, A.N. 
Tay, W.M.
Pereira, B.P.
Issue Date: 1993
Citation: Stokes, A.N.,Tay, W.M.,Pereira, B.P. (1993). Shear bond of resin cement to post-cured hybrid composites. Dental Materials 9 (6) : 370-374. ScholarBank@NUS Repository.
Abstract: Various surface treatments affected the shear bond strength of a dual-cured resin cement to a post-cured composite. Disks of post-cured composite inlay 2.0 mm thick by 10.0 mm in diameter, were mounted in acrylic cylinders. Various surface treatments were tested including: 1) smooth material; 2) treated by sandblasting (air abrasion); 3) sandblasting and etching with hydrofluoric acid (HF); 4) sandblasting and silane priming; 5) sandblasting, HF etching and silane priming; 6) HF etching alone; 7) HF etching and silane priming; and 8) silane priming alone. Specimens of dual-cured cement, 4.0 mm in diameter, were light-cured onto the prepared surfaces. The samples were stored in water at 37°C for 7d before shear bond testing. The highest mean shear bond strengths were achieved for specimens with the following surface treatments: 1) by a combination of sandblasting, HF etching and silane priming; 2) sandblasting and HF etching; and 3) sandblasting and silane priming. Most bond failures in these groups were cohesive within the post-cured composite inlay disks. The bond strengths of the specimen in other groups were significantly lower and bond failures were mainly adhesive at the interface between the disk of post-cured composite and dual-cured resin cement. © 1993.
Source Title: Dental Materials
ISSN: 01095641
Appears in Collections:Staff Publications

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