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Hybrid layer seals the cementum/4-META/MMA-TBB resin interface

Lookup NU author(s): Dr Sharanbir Sidhu

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Abstract

Although 4-META/MMA-TBB resin has adhesive properties to dentin, and has been clinically used for the bonding treatment of vertically fractured roots and apicoectomy, there has not been any investigation on the adhesion of 4-META/MMA-TBB resin to cementum. The purpose of this in vitro study was to evaluate the bonding and the sealing ability of 4-META/MMA-TBB resin to cementum. Bovine root cementum and dentin surfaces were treated with a citric acid and ferric chloride solution, and the 4-META/MMA-TBB resin was applied on the treated surfaces before testing. The microtensile bond strength and the leakage levels obtained for the cementum were almost equal to those for the dentin. In SEM and TEM observations, a hybrid layer approximately 2-3 μm in thickness was observed at the interface between the resin and the cementum. It is concluded that 4-META/MMA-TBB resin adhered to cementum via a hybrid layer on cementum, as previously reported for dentin. © 2006 Wiley Periodicals, Inc.


Publication metadata

Author(s): Tanaka S, Sugaya T, Kawanami M, Nodasaka Y, Yamamoto T, Noguchi H, Tanaka Y, Ikeda T, Sano H, Sidhu SK

Publication type: Article

Publication status: Published

Journal: Journal of Biomedical Materials Research: Part B Applied Biomaterials

Year: 2007

Volume: 80

Issue: 1

Pages: 140-145

ISSN (print): 1552-4973

ISSN (electronic): 1552-4981

Publisher: John Wiley & Sons, Inc.

URL: http://dx.doi.org/10.1002/jbm.b.30578

DOI: 10.1002/jbm.b.30578

PubMed id: 16680694


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