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Polymers 2018, 10(8), 905;

Dentine Surface Morphology after Chlorhexidine Application—SEM Study

Department of General Dentistry, Medical University of Lodz, 92-213 Lodz, Poland
Department of Dental Technology, Medical University of Lodz, 92-213 Lodz, Poland
Author to whom correspondence should be addressed.
Received: 23 June 2018 / Revised: 1 August 2018 / Accepted: 10 August 2018 / Published: 11 August 2018
(This article belongs to the Special Issue Surface Modification and Functional Coatings for Polymers)
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Chlorhexidine (CHX) is a widely known and a very popular antibacterial agent that decreases the level of cariogenic bacteria. CHX applied on the cavity surface of dentine may influence adhesive bond strength. The aim of the study was to evaluate the dentine surface after different chlorhexidine digluconate (CHG) application protocols. Different CHG application protocols were introduced. A concentration of 0.2% or 2.0% CHG was applied on the etched or unetched dentine surface for 15 or 30 s, then water rinsed or drained. Scanning electron microscopy (SEM) observations and energy disperse spectrometer (EDS) analysis of the dentine surfaces were performed. The application of 0.2% CHG for 15 s, followed by draining, on either etched or unetched dentine surface effectively removed the smear layer, leaving the surface enriched with CHG deposits. Conclusions: The concentration of CHG and its application time influenced the amount of CHG deposits and the degree of smear layer removal from the dentine surface. View Full-Text
Keywords: dentine; chlorhexidine; SEM; adhesion; surface dentine; chlorhexidine; SEM; adhesion; surface

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lapinska, B.; Klimek, L.; Sokolowski, J.; Lukomska-Szymanska, M. Dentine Surface Morphology after Chlorhexidine Application—SEM Study. Polymers 2018, 10, 905.

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