Effect of water aging on the anti-biofilm properties of glass ionomer cement containing fluoro-zinc-silicate fillers

A previous study has reported that a novel fluoro-zinc-silicate glass ionomer cement (Caredyne Restore) showed superior anti-biofilm effects by interfering with bacterial adhesion. However, the active ions may degrade with time. This study aimed to assess the valid anti-biofilm effects of Caredyne R...

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Bibliographic Details
Published in:Biofouling (Chur, Switzerland) Switzerland), 2020-12, Vol.36 (9), p.1090-1099
Main Authors: Naksagoon, Traithawit, Ohsumi, Tatsuya, Takenaka, Shoji, Nagata, Ryoko, Hasegawa, Taisuke, Maeda, Takeyasu, Noiri, Yuichiro
Format: Article
Language:English
Subjects:
Ageing
Aging
Biofilms
Cement
Concrete
Fluorides
Fluorides - pharmacology
Glass
Glass ionomer cement
Glass ionomer cements
Glass Ionomer Cements - pharmacology
Ions
oral biofilm
pH effects
Properties
Restoration
Saliva
Silicates
Streptococcus mutans
Submerging
Water
water aging
Water immersion
Zinc
Zinc - pharmacology
zinc ion
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Summary:A previous study has reported that a novel fluoro-zinc-silicate glass ionomer cement (Caredyne Restore) showed superior anti-biofilm effects by interfering with bacterial adhesion. However, the active ions may degrade with time. This study aimed to assess the valid anti-biofilm effects of Caredyne Restore after being aged by water immersion for 3 weeks. Streptococcus mutans biofilm was allowed to grow on the surface before and after water aging for 24 h using a modified Robbins device flow-cell system. The results showed water aging promoted biofilm formation. Insufficient amount of fluoride and zinc ions were released from Caredyne Restore after water aging under neutral pH condition. An acidic pH is needed to exert effective anti-biofilm properties. As the release of active ions from Caredyne Restore will gradually decrease after the restoration,  the restoration may not prevent biofilm formation after 3 weeks while neutral pH is maintained by the buffering capacity of saliva.
ISSN:0892-7014
1029-2454
DOI:10.1080/08927014.2020.1856371