TODENTJ-25-03-2019_TODENTJ-12-1029 1553507635 Bentham Open doi@benthamopen.net Bentham Open The Open Dentistry Journal TODENTJ 1874-2106 11 30 2018 12 1 Bennett T. Amaechi Kaveh Najibfard Irene P. Chedjieu Hariyali Kasundra Linda O. Okoye 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. 11 30 2018 1029 1035 TODENTJ-12-1029 1 10.2174/crossmark_policy opendentistryjournal.com benthamopen.com true Peer Reviewed Single blind Checked with iThenticate 2018-6-8 2018-10-29 2018-11-18 2018-11-30 https://creativecommons.org/licenses/by/4.0/legalcode 10.2174/1874210601812011029 1553507635 https://opendentistryjournal.com/VOLUME/12/PAGE/1029/ https://opendentistryjournal.com/contents/volumes/V12/TODENTJ-12-1029/TODENTJ-12-1029.pdf https://opendentistryjournal.com/contents/volumes/V12/TODENTJ-12-1029/TODENTJ-12-1029.pdf https://opendentistryjournal.com/contents/volumes/V12/TODENTJ-12-1029/TODENTJ-12-1029.pdf https://opendentistryjournal.com/contents/volumes/V12/TODENTJ-12-1029/TODENTJ-12-1029.pdf https://opendentistryjournal.com/contents/volumes/V12/TODENTJ-12-1029/TODENTJ-12-1029.pdf https://opendentistryjournal.com/contents/volumes/V12/TODENTJ-12-1029/TODENTJ-12-1029.pdf https://opendentistryjournal.com/contents/volumes/V12/TODENTJ-12-1029/TODENTJ-12-1029.pdf https://opendentistryjournal.com/contents/volumes/V12/TODENTJ-12-1029/TODENTJ-12-1029.xml Eur. 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