Effects of natural products-based dentifrices on acrylic resin for denture bases: A simulated period of 4 years

To evaluate the antimicrobial activity of dentifrices based on Malva sylvestris and propolis and the effect on the acrylic resin. The inhibitory effect against Candida albicans, Enterococcus faecalis and Streptococcus mutans was determined. The specimens of resin were divided into groups: Control (b...

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Bibliographic Details
Published in:	American journal of dentistry Vol. 37; no. 3; p. 126
Main Authors:	Costa, Marcela S, Fernandes, Marcela S, Oliveira, Viviane D C, Watanabe, Evandro, Lovato da Silva, Clकudia H, Dos Reis, Andréa C, Lepri, César P, de Castro, Denise T
Format:	Journal Article
Language:	English
Published:	United States 01-06-2024
Subjects:	Acrylic Resins Anti-Infective Agents - pharmacology Candida albicans - drug effects Color Dentifrices - pharmacology Denture Bases Enterococcus faecalis - drug effects Humans Materials Testing Propolis - pharmacology Silicic Acid Streptococcus mutans - drug effects Surface Properties Toothbrushing Toothpastes - chemistry Toothpastes - pharmacology
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Summary:	To evaluate the antimicrobial activity of dentifrices based on Malva sylvestris and propolis and the effect on the acrylic resin. The inhibitory effect against Candida albicans, Enterococcus faecalis and Streptococcus mutans was determined. The specimens of resin were divided into groups: Control (brushing with distilled water); brushing with Colgate; brushing with Protex; brushing with Malvatricin, brushing with Proporalcare Dental Gel and brushing with Green Propolis Dental Gel. Brushing was carried out in a brushing machine. Roughness and color were assessed. The data were analyzed by ANOVA, followed by the Bonferroni post test (α= 0.05). The products evaluated showed antimicrobial activity against all microorganisms (P< 0.05), except Proporalcare Dental Gel, which was not effective against E. faecalis. Greater roughness (P< 0.05) was observed in the samples treated with Colgate. The samples from control and Protex groups showed the lowest color variation and the highest luminosity, with a difference in relation to the others (P< 0.05), which showed higher values, although clinically acceptable. The dentifrices based on natural products can be indicated for cleaning prostheses, since they showed antimicrobial activity and did not cause perceptible color changes of the resin tested. The dentifrices did not produce adverse effects on the surface of the resin or did so less than the conventional dentifrice.
ISSN:	0894-8275