Influence of air abrasion and different dentin sealing techniques on microtensile bond strength to dentin

Dong-Ho Kang; Chong-Hyun Han; Jung-Won Park; Sunjai Kim

doi:10.4047/jkap.2010.48.1.8

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Kang, Han, Park, and Kim: Influence of air abrasion and different dentin sealing techniques on microtensile bond strength to dentin

ORIGINAL ARTICLE

J Korean Acad Prosthodont 2010;48(1):8-15.

Published online: 18 December 2010

DOI: https://doi.org/10.4047/jkap.2010.48.1.8

Influence of air abrasion and different dentin sealing techniques on microtensile bond strength to dentin

Dong-Ho Kang, DDS, MSD^1,³, Chong-Hyun Han, MSD, DDS, PhD^1,³, Jung-Won Park, MSD, DDS, PhD², Sunjai Kim, DDS, MSD, PhD^1,^3,^∗

^¹Department of Prosthodontics, College of Dentistry, Yonsei University Seoul, Korea

^²Department of Conservative Dentistry, Dental Hospital, Gangnam Severance Hospital, Yonsei University, Seoul, Korea

^³Department of Prosthodontics, Dental Hospital, Gangnam Severance Hospital, Yonsei University, Seoul, Korea

∗Corresponding Author: Sunjai Kim Department of Prosthodontics, College of Dentistry, Yonsei University, 134 Sinchon-dong, Seodamun-gu, Seoul, 120-749, Korea +82 2 2019 1340: e-mail, sunjai@yuhs.ac

Received 20 October 200922 December 2009 Accepted 4 January 2010

This is an Open Access article distributed 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 original work is properly cited.

Abstract

Purpose

The purpose of this study was to evaluate the effect of various methods of dentin bonding agent application and air abrasion pretreatment on microtensile bond strength between dentin and resin, using a self-etching adhesive system.

Material and methods

Thirty freshly extracted human molars were obtained and divided into 6 groups of 5 teeth. A 2-step self etching adhesive system (Clearfil SE Bond) was used for all groups. The control specimens were prepared using a direct immediate bonding technique. The delayed dentin sealing specimens were prepared using an indirect approach without dentin prebonding. The immediate dentin sealing specimens were prepared using dentin prebonding immediately following preparation. Immediate dentin sealing teeth and delayed dentin sealing teeth had provisional restorations using Fermit for two weeks. Then all specimens of each group were divided into two groups of three, depending on air abrasion pretreatment. Composite “ crowns” were incrementally built on and specimens were stored in water for 24 hours. All teeth were prepared for a microtensile bond strength test. Bond strength data were analyzed with a one-way ANOVA test, and post hoc comparison was done using the Scheffe's test.

Results

The mean microtensile bond strengths of all groups were not statistically different from each other.

Conclusion

When preparing teeth for indirect restorations, IDS and DDS with Clearfil SE bond, have no difference on the microtensile bond strength between dentin and resin. Air abrasion pretreatment did not affect the microtensile bond strength when using IDS and DDS with Clearfil SE bond. (J Korean Acad Prosthodont 2010;48:8-15)

Keywords: Immediate dentin sealing, Delayed dentin sealing, Clearfil SE bond, Microtensile bond strength

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