Biofilm Removal and Bacterial Re-Colonization Inhibition of a Novel Erythritol/Chlorhexidine Air-Polishing Powder on Titanium Disks

Materials
Magda MensiLia Rimondini

Abstract

Air-polishing with low abrasiveness powders is fast arising as a valid and mini-invasive instrument for the management of biofilm colonizing dental implants. In general, the reported advantage is the efficient removal of plaque with respect to the titanium integrity. In the present study, we evaluated the in situ plaque removal and the preventive efficacy in forestalling further infection of an innovative erythritol/chlorhexidine air-polishing powder and compared it with sodium bicarbonate. Accordingly, two peri-implantitis-linked biofilm formers, strains Staphylococcus aureus and Aggregatibacter actinomycetemcomitans, were selected and used to infect titanium disks before and after the air-polishing treatment to test its ability in biofilm removal and re-colonization inhibition, respectively. Biofilm cell numbers and viability were assayed by colony-forming unit (CFU) count and metabolic-colorimetric (2,3-Bis-(2-Methoxy-4-Nitro-5-Sulfophenyl)-2H-Tetrazolium-5-Carboxanilide) (XTT) assay. Results demonstrated that air-polishing performed with either sodium bicarbonate or erythritol/chlorhexidine was effective in reducing bacteria biofilm viability and number on pre-infected specimens, thus showing a similar ability in counteract...Continue Reading

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Citations

Dec 15, 2019·Clinical Implant Dentistry and Related Research·Victor H MatsubaraAlessandro Quaranta
Oct 17, 2020·Biomaterial Investigations in Dentistry·Pawel KallasMats Hulander
Dec 29, 2020·Dental Materials : Official Publication of the Academy of Dental Materials·Wang Lai HuiAlessandro Quaranta
Apr 13, 2021·Clinical Oral Implants Research·Diederik F M HentenaarGerry M Raghoebar
Nov 23, 2021·Clinical Oral Implants Research·Diederik F M HentenaarGerry M Raghoebar

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Methods Mentioned

BETA
scanning electron microscopy

Software Mentioned

SPSS

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