Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2018  |  Volume : 21  |  Issue : 2  |  Page : 142-146

Bonding effectiveness of self-etch adhesives to dentin after 24 h water storage


Department of Conservative Dentistry and Endodontics, University Cheikh Anta Diop, PO Box 5005 Dakar, Senegal

Correspondence Address:
Prof. Mouhamed Sarr
Department of Conservative Dentistry and Endodontics, University Cheikh Anta Diop, PO Box 5005 Dakar
Senegal
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JCD.JCD_257_17

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Purpose: This study evaluated the immediate bonding effectiveness of five self-etch adhesive systems bonded to dentin. Materials and Methods: The microtensile bond strength of five self-etch adhesives systems, including one two-step and four one-step self-etch adhesives to dentin, was measured. Human third molars had their superficial dentin surface exposed, after which a standardized smear layer was produced using a medium-grit diamond bur. The selected adhesives were applied according to their respective manufacturer's instructions for μTBS measurement after storage in water at 37°C for 24 h. Results: The μTBS varied from 11.1 to 44.3 MPa; the highest bond strength was obtained with the two-step self-etch adhesive Clearfil SE Bond and the lowest with the one-step self-etch adhesive Adper Prompt L-Pop. Pretesting failures mainly occurring during sectioning with the slow-speed diamond saw were observed only with the one-step self-etch adhesive Adper Prompt L-Pop (4 out of 18). Conclusions: When bonded to dentin, the self-etch adhesives with simplified application procedures (one-step self-etch adhesives) still underperform as compared to the two-step self-etch adhesive Clearfil SE Bond.


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