The Effect of Surface Roughness on Repair Bond Strength of Light-Curing Composite Resin to Polymer Composite Substrate

Kallio, Timo T.; Tezvergil-Mutluay, Arzu; Lassila , Lippo V.J.; Vallittu, Pekka K.

The Effect of Surface Roughness on Repair Bond Strength of Light-Curing Composite Resin to Polymer Composite Substrate

Timo T. Kallio, Arzu Tezvergil-Mutluay, Lippo V.J. Lassila , Pekka K. Vallittu^*

Department of Biomaterials Science and Turku Clinical Biomaterials Centre - TCBC, Institute of Dentistry, University of Turku, Turku, Finland

Article Information

Identifiers and Pagination:

Year: 2013
Volume: 7
First Page: 126
Last Page: 131
Publisher ID: TODENTJ-7-126
DOI: 10.2174/1874210601307010126

Article History:

Received Date: 5/7/2013
Revision Received Date: 14/8/2013
Acceptance Date: 10/9/2013
Electronic publication date: 30 /9/2013
Collection year: 2013

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© Kallio et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

^* Address correspondence to this author at the Institute of Dentistry, University of Turku, Turku, Finland, Tel: +358-2-3338332; Fax: 358-2-3338330; E-mail: pekka.vallittu@utu.fi

Objective:

The purpose of this study was to analyze the shear bond strength of a new composite resin to polymer-based composite substrates using various surface roughnesses and two kinds of polymer matrices.

Materials and methods:

Particulate filler composite resin with cross-linked polymer matrix and fiber-reinforced composite with semi-interpenetrating polymer matrix were used as bonding substrates after being ground to different roughnesses. Substrates were aged in water for one week before bonding to new resin composites. Twelve specimens in the substrate groups were ground with grinding papers of four grits; 320, 800, 1200 and 2400.

Results:

Corresponding values of surface roughness (R_a) varied from 0.09 to 0.40 for the particulate filler composite resin and 0.07 to 0.96 for the fiber-reinforced composite resin. Characteristic shear bond strength between the new resin and particulate filler composite resin was highest (27.8 MPa) with the roughest surface (Weibull modulus: 2.085). Fiber-reinforced composite showed the highest bond strength (20.8 MPa) with the smoothest surface (Weibull modulus: 4.713).

Conclusions:

We concluded that surface roughness did not increase the bonding of new resin to the substrate of IPN based fiber-reinforced composite, whereas the roughness contributed to bonding the new resin to the particulate filler composite resin with a cross-linked polymer matrix.

Keyword: : Bond strength, composite, repair, adhesion, bonding.

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RESEARCH ARTICLE

The Effect of Surface Roughness on Repair Bond Strength of Light-Curing Composite Resin to Polymer Composite Substrate

Article Information

Identifiers and Pagination:

Article History:

Article Metrics

CrossRef Citations:

Total Statistics:

Unique Statistics:

Abstract

Objective:

Materials and methods:

Results:

Conclusions:

Track Your Manuscript

Published Contents

About the Editor

About the Journal

The Open Dentistry Journal

Journal Metrics

Readership Statistics:

Total Views/Downloads: 783,944

Unique Views/Downloads: 114,379

Press Release

Bentham Open Welcomes Sultan Idris University of Education (UPSI) as Institutional Member

Ministry Of Health, Jordan joins Bentham Open as Institutional Member

Prof. Dileep Sharma joins the Editorial Board of The Open Dentistry Journal

Porto University joins Bentham Open as Institutional Member

Testimonials