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International Poster Journal of Dentistry and Oral Medicine



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Int Poster J Dent Oral Med 10 (2008), No. 2     15. June 2008
Int Poster J Dent Oral Med 10 (2008), No. 2  (15.06.2008)

Poster 409, Language: English

Bond Strength of a Self-Etch Adhesive Used with Various Composites
Rettig, Claudia/Bekes, Katrin/Schaller, Hans-Günter/Gernhardt, Christian Ralf
Objectives: The aim of this study was to evaluate microtensile bond strength of a self-etching and dual-curing dentin adhesive (Futurabond DC) in comination with different light- and self-curing resins (Rebilda, Grandio, Tetric Ceram, Clearfil Core, Multicore) on perfused dentin in vitro.
Methods: 105 freshly extracted molars, stored in saline for a maximum of fourteen days after extraction were included. All teeth were specially prepared allowing the simulation of dentin perfusion. Dentin specimens with a total thickness of 3.5 mm were obtained under standardized conditions. The specimens were randomly assigned to seven experimental groups of fifteen samples each:
Group 1: Futurabond/ Rebilda (light-curing),
Group 2: Futurabond/ Grandio (light-curing),
Group 3: Futurabond/ Tetric Ceram (light-curing),
Group 4: Futurabond/ Rebilda (self-curing),
Group 5: Futurabond/ Clearfil Core (self-curing),
Group 6: Futurabond/ MultiCore (self-curing),
Group 7: AdHeSE/ Multicore (self-curing).
Microtensile bond strength was measured 15 minutes after application an universal testing machine.
Results: For the seven test series following microtensile bond strengths were evaluated (mean value and standard deviation in MPa): Group 1: 12.44 (± 3.32); group 2: 24.51 (± 5.16); group 3: 14.34 (± 3.69); group 4: 8.87 (± 1.01); group 5: 23.53 (± 6.27); group 6: 3.79 (± 1.12); group 7: 21.19 (± 3.73). Futurabond DC in combination with Grandio (group 2) and Clearfil Core (group 5) showed the highest bond strengths (pConclusions: It can be concluded that all bonding agents used in this study were able to establish bond strength on perfused dentin. Futurabond DC used with light-polymerizing resins showed well bond strengths in all groups (1, 4, 5). In combination with self-polymerizing resins different bond strengths were evaluated.

Keywords: dentin, bonding agents, composite materials, adhesive, tensile bond strength

September 26th -29th, 2007
42nd Annual Meeting of the Continental European (CED) and Israeli (ID) Divisions of the IADR