Oral biofilm and salivary proteins (OBSP)

Oral biofilm and salivary proteins represent a complex biological system rather than a single molecular target. The oral biofilm, or dental plaque, is a structured community of microorganisms embedded in a self-produced matrix of extracellular polymeric substances (EPS) that adheres to oral surfaces (Marsh, P. D., 2004, BMC Oral Health). Salivary proteins, including mucins (MUC5B, MUC7), amylase, cystatins, and histatins, interact with these microbes to form the acquired enamel pellicle, which mediates bacterial attachment and provides a protective barrier for the teeth (Dawes, C., et al., 2015, Journal of Dental Research). This system is central to the pathogenesis of dental caries and periodontal diseases, where a shift in the microbial balance (dysbiosis) leads to acid production or inflammatory responses (Lamont, R. J., et al., 2018, Nature Reviews Microbiology). Therapeutic intervention typically involves the use of antiseptics like chlorhexidine to disrupt the biofilm or fluoride to enhance remineralization and inhibit microbial metabolism. Because this entry encompasses an entire ecosystem of proteins and organisms, it is classified as a biological system or therapeutic area rather than a specific pharmacological target.

Other names

Dental plaqueOral microbiomeSalivary proteomeAcquired enamel pellicleOral multispecies biofilm

Drugs targeting this system work through the disruption of the extracellular matrix, inhibition of bacterial adhesion to salivary pellicles, bactericidal or bacteriostatic activity against plaque-resident microbes, and the stimulation of salivary flow to restore protective protein levels.