Nanochitosan antimicrobial activity against Streptococcus mutans and Candida albicans dual-species biofilms.

Objective: Chitosan nanoparticle (nanochitosan) has a broad antimicrobial spectrum against diverse pathogenic microorganisms. However, its effect on dental caries-associated microorganisms, such as Streptococcus mutans and Candida albicans is yet to be explored. These microorganisms are known for causing early childhood caries.