Biosurfactant as a preventive agent on acrylic resin

Abstract

Objective. Current study was aimed to evaluate the activity of biosurfactants and
other cleansing solutions of the acrylic resin on growth of Candida albicans and
Streptococcus mutans.
Study design. Heat cure acrylic resin discs were prepared and precoated with four
types of liquids: water, biosurfactant, chlorhexidine mouth wash and denture
cleanser. The water was used as control. The discs kept in the solutions overnight
after that the antimicrobial assay was tested against Candida albicans and
Streptococcus mutans. Also reduction of growth and biofilm formation of C.
albicans on denture acrylic discs was tested by using biosurfactant.
Results. Precoating with biosurfactant caused a greater inhibition in the growth of
both types of the microorganisms than chlorhexidine and denture cleanser, with
inhibition zone diameter 25mm and 15mm against Streptococcus mutans and
Candida albicans respectively , 96 % of Candida albicans growth reduction on
denture acrylic discs. Also biosurfactant showed reduction in biofilm formation of
Candida albicans on denture acrylic discs.
Conclusions. This study demonstrated that biosurfactant was the best preventive
agent for acrylic resin compared with other mouth washer and denture cleanser.