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Antibacterial Activity of Commercial Dentine Bonding Systems against E. faecalis–Flow Cytometry Study

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Department of General Dentistry, Medical University of Lodz, Lodz 92-213, Poland
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Department of Microbiology and Laboratory Medical Immunology, Medical University of Lodz, Lodz 92-213, Poland
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Author to whom correspondence should be addressed.
Academic Editor: Carla Renata Arciola
Materials 2017, 10(5), 481; https://doi.org/10.3390/ma10050481
Received: 17 February 2017 / Revised: 20 April 2017 / Accepted: 26 April 2017 / Published: 29 April 2017
Literature presents inconsistent results on the antibacterial activity of dentine bonding systems (DBS). Antibacterial activity of adhesive systems depends on several factors, including composition and acidity. Flow cytometry is a novel detection method to measure multiple characteristics of a single cell: total cell number, structural (size, shape), and functional parameters (viability, cell cycle). The LIVE/DEAD® BacLightTM bacterial viability assay was used to evaluate an antibacterial activity of DBS by assessing physical membrane disruption of bacteria mediated by DBS. Ten commercial DBSs: four total-etching (TE), four self-etching (SE) and two selective enamel etching (SEE) were tested. Both total-etching DBS ExciTE F and OptiBond Solo Plus showed comparatively low antibacterial activity against E. faecalis. The lowest activity of all tested TE systems showed Te-Econom Bond. Among SE DBS, G-ænial Bond (92.24% dead cells) followed by Clearfil S3 Bond Plus (88.02%) and Panavia F 2.0 ED Primer II (86.67%) showed the highest antibacterial activity against E. faecalis, which was comparable to isopropranol (positive control). In the present study, self-etching DBS exhibited higher antimicrobial activity than tested total-etching adhesives against E. faecalis. View Full-Text
Keywords: dental bonding systems; flow cytometry; E. faecalis; antibacterial activity dental bonding systems; flow cytometry; E. faecalis; antibacterial activity
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Lukomska-Szymanska, M.; Konieczka, M.; Zarzycka, B.; Lapinska, B.; Grzegorczyk, J.; Sokolowski, J. Antibacterial Activity of Commercial Dentine Bonding Systems against E. faecalis–Flow Cytometry Study. Materials 2017, 10, 481.

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