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:: Volume 25, Issue 1 (3-2023) ::
J Babol Univ Med Sci. 2023; Volume 25 Back to browse issues page
Comparison of the Push-Out Bond Strength of 5th, 6th, 7th and 8th Generation Bonding Agents to Intracanal Dentin of Primary Anterior Teeth
R Meshki , M Khataminia , S Beigi * , M Salehi Veisi
1.Department of Pediatric Dentistry, School of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, I.R.Iran. , beigi.s1373@gmail.com
Abstract:   (1447 Views)
Background and Objective: Due to the importance of primary anterior teeth in chewing, pronunciation of words, self-confidence, facial appearance of children, efforts to preserve these teeth continue. The aim of the present study was to evaluate the push-out bond strength of 5th, 6th, 7th, and 8th generation bonding agents to intracanal dentin of primary anterior teeth which are reconstructed with the composite posts.
Methods: The present experimental in vitro study was conducted on 60 extracted primary anterior teeth with at least two-thirds of the root length remaining. The teeth were randomly divided into five groups: 5th generation (3M Adper single bond 2 Adhesive-USA), 6th generation (clearfil SE bond, Japan), 7th generation (kerr-optibond all in one Adhesive-Italy), and 8th generation total-etch and 8th generation self-etch (GC-G permio bond-Japan) bonding agents. After root canal preparation, prepared canals were filled with Metapex. The coronal 3mm of the canals was etched and impregnated with the dentin bonding agents. Then, they were restored with composite. The push-out test was performed to evaluate the bond strength of adhesives. Accordingly, by a light microscope the failure modes were determined.
Findings: The mean bond strength of 5th, 6th, 7th, and 8th generation (self-etch, total-etch) bonding agents was 4.36±2.15, 3.88±1.55, 4.29±2.02, 12.84±3.62, and 7.77±3.81 MPa, respectively. The push-out bond strength of the 8th generation bonding agent using both self-etch (p=0.000) and total-etch techniques was higher than the 5th, 6th, and 7th generation bonding agents (p=0.032, 0.01, 0.027, respectively). No significant difference was found between the bond strength of the 5th, 6th, and 7th generation bonding agents.
Conclusion: The push-out bond strength of the 8th generation bonding system was higher than the other groups. Therefore, the 8th generation bonding agents can be used to bond composite posts to intracanal dentin of primary anterior teeth. Also, self-etch (8th generation) has higher bond strength compared to the total-etch technique.
Keywords: Dentin, Self-Etch Adhesive, Bonding Agents.
Full-Text [PDF 421 kb]   (1336 Downloads)    
Type of Study: Applicable | Subject: Dentistry (pediatrics)
Received: 2022/01/27 | Accepted: 2022/05/28 | Published: 2022/12/31
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Meshki R, Khataminia M, Beigi S, Salehi Veisi M. Comparison of the Push-Out Bond Strength of 5th, 6th, 7th and 8th Generation Bonding Agents to Intracanal Dentin of Primary Anterior Teeth. J Babol Univ Med Sci 2023; 25 (1) :26-35
URL: http://jbums.org/article-1-10627-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 25, Issue 1 (3-2023) Back to browse issues page
مجله علمی دانشگاه علوم پزشکی بابل Journal of Babol University of Medical Sciences

The Journal of Babol University of Medical Sciences is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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