The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019
RESEARCH ARTICLE

Do Products Preventing Demineralization Around Orthodontic Brackets Affect Adhesive Bond Strength?



Bennett T. Amaechi1, Kaveh Najibfard1, Irene P. Chedjieu2, Hariyali Kasundra1, Linda O. Okoye3, *
1 Department of Comprehensive Dentistry, School of Dentistry, University of Texas Health Science Center, San Antonio, TX, USA
2 Department of Epidemiology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
3 Department of Restorative Dentistry, Faculty of Dentistry, University of Nigeria, Ituku Ozalla, Enugu Campus, Nigeria

Abstract

Objective:

This study investigated the effects, on the shear bond strength of orthodontic brackets, of using an antimicrobial selenium-containing sealant (DenteShieldTM) to serve dual functions of priming enamel prior to bonding and as a protective barrier against whitespot lesion formation.

Materials and Methods:

A total of 150 extracted human premolars were randomly assigned into 10 groups (n=15/group). Stainless steel brackets were bonded with two adhesive systems (DenteShieldTM or Transbond XT) after the enamel was conditioned with a primer (DenteShieldTM or Assure Universal) or a filled resin sealant (DenteShieldTM, Pro SealTM or Opal SealTM). The specimens were stored in deionized water at 37 °C for 24 hours and debonded with a universal testing machine.

Results:

The use of DenteShieldTM adhesive to bond orthodontic brackets to the enamel surface resulted in a significantly lower (P<0.05), but clinically acceptable, shear bond strength (mean & SD: 14.5±1.6 MPa) as compared with Transbond XT group (mean & SD: 19.3±1.7 MPa). DenteShieldTM sealant used as primer resulted in shear bond strength values comparable to those of Pro SealTM and Opal SealTM. All adhesive-sealant and primer-sealant combinations tested in this study exhibited shear bond strength values greater than 9.6 MPa, sufficient for clinical orthodontic needs.

Conclusion:

DenteShieldTM sealant can serve as primer as well as anti-demineralization sealant during orthodontic treatment without adversely affecting the shear bond strength of the bracket.

Keywords: Shear bond strength, DenteShieldTM, Selenium-containing adhesive, Selenium-containing sealant, Orthodontic brackets, Selenium-containing primer, Opal SealTM, Pro SealTM.


Article Information


Identifiers and Pagination:

Year: 2018
Volume: 12
First Page: 1029
Last Page: 1035
Publisher Id: TODENTJ-12-1029
DOI: 10.2174/1874210601812011029

Article History:

Received Date: 8/6/2018
Revision Received Date: 29/10/2018
Acceptance Date: 18/11/2018
Electronic publication date: 30/11/2018
Collection year: 2018

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© 2018 Amaechi et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Department of Restorative Dentistry, Faculty of Dentistry, College of Medicine, University of Nigeria, Ituku Ozalla, Enugu, Nigeria; Tel: +2348068424848; E-mail: linda.okoye@unn.edu.ng


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