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J Conserv Dent. 2015 Sep-Oct;18(5):379-83. doi: 10.4103/0972-0707.164036.

Micro-tensile bond strength of different adhesive systems on sound dentin and resin-based composite: An in-vitro study.

Journal of conservative dentistry : JCD

Rashmirekha Mallick, Priyanka Sarangi, Sandhyarani Mohanty, Subasish Behera, Soumyaranjan Nanda, Sukanta Kumar Satapathy

Affiliations

  1. Department of Conservative Dentistry and Endodontics, SCB Dental College and Hospital, Cuttack, Odisha, India.
  2. Department of Prosthodontics, SCB Dental College and Hospital, Cuttack, Odisha, India.

PMID: 26430301 PMCID: PMC4578182 DOI: 10.4103/0972-0707.164036

Abstract

AIM: To analyze the difference in the micro-tensile bond strength of specimens made with two different adhesive systems and compare them with two homogenous substrates.

MATERIALS AND METHODS: Sixty permanent mandibular molars were mounted in acrylic blocks and sectioned with exposed dentin surfaces. Samples were then divided into four groups. To Group-I Adper Single Bond 2 and to Group-II Adper Self-Etch plus bonding agents were applied. For Group-I and Group-II beams consisted of resin composite in the upper half and dentin in the lower half. In Group-III beams were made of only dentin. In Group-IV beams were made of only composite. Fifteen specimens of each group were taken for the micro-tensile bond strength test.

STATISTICAL ANALYSIS: The results are analyzed using one-way analysis of variance and Critical Difference test.

RESULTS: The interface bonded with the two adhesive systems had lower micro-tensile bond strength than those of dentin and resin composite and the self-etching adhesive Adper Self-Etch plus had comparable bond strength with total-etch adhesive Adper Single Bond 2.

CONCLUSION: The bond strength values for current adhesive systems cannot be compared to the micro-tensile bond strength of dentin and resin composite, and self-etching adhesives have comparable bond strength with total-etch adhesives.

Keywords: Bonding agents; micro-tensile bond strength; resin-based composites

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