Oral polymicrobial biofilm

Oral polymicrobial biofilm refers to a highly organized and structured community of multiple microbial species—including bacteria, fungi, and sometimes archaea or protozoa—adhering to oral surfaces (teeth, mucosa, implants). These communities are embedded in an extracellular polymeric substance (EPS) matrix that provides protection from host immunity and antibiotics. Oral biofilms play a central role in initiating and perpetuating a wide variety of oral diseases, including dental caries, periodontitis, and peri-implant infections, and are characterized by metabolic cooperation, virulence factor production, and immune modulation. Their complex nature and resilience pose significant therapeutic challenges, necessitating innovative strategies beyond conventional antimicrobial use. It is important to note that "Oral polymicrobial biofilm" is not a conventional molecular target or receptor; rather, it describes a collective microbial structure. This entry is therefore not a druggable target in the traditional sense (e.g., receptor, enzyme, ion channel), but instead represents a pathophysiological niche or community. This makes "is_incorrect: true" the appropriate designation for molecular target databases seeking single, defined biomolecules.

Other names

Oral biofilmDental plaqueMultispecies oral biofilmPolymicrobial dental biofilm

Disruption of cell membranes (e.g., by chlorhexidine, antimicrobial peptides); Inhibition of bacterial protein synthesis (e.g., doxycycline); Inhibition of DNA replication (e.g., ciprofloxacin); Inhibition of cell wall synthesis (e.g., amoxicillin); Reactive oxygen species generation; Extracellular matrix destabilization.