Effects of chlorhexidine in self-etching adhesive: 24 hours results

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  • NISHITANI Yoshihiro
    Department of Operative Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
  • HOSAKA Keiichi
    Department of Restorative Sciences, Cariology and Operative Dentistry, Tokyo Medical and Dental University Graduate School
  • HOSHIKA Tomohiro
    Department of Operative Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
  • YOSHIYAMA Masahiro
    Department of Operative Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
  • PASHLEY David H.
    Department of Oral Biology, College of Dental Medicine, Georgia Health Sciences University

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Abstract

It is known that chlorhexidine (CHX) does not inhibit micro-tensile bond strengths (MTBS) when it is used in etch-and-rinse adhesives. In that technique, CHX is applied to dentin as a primer after phosphoric acid-etching before bonding with Single Bond. It would be more convenient if it is possible to incorporate CHX into the adhesive. The purpose of this study was to compare the MTBS and the FT-IR percent conversion of an all-in-one self-etching adhesives contained varying concentration of CHX. Extracted human third molars were bonded with a control all-in-one adhesive or experimental versions containing 0.5, 1, 2 or 5% CHX. The MTBS and the percent conversion of experimental adhesives containing up to 1% CHX were not significantly CHX-free control adhesives. However, addition of 2 or especially 5% CHX experimental adhesives produced significant reductions in both the MTBS and the percent conversion.

Journal

  • Dental Materials Journal

    Dental Materials Journal 32 (3), 420-424, 2013

    The Japanese Society for Dental Materials and Devices

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