Table 2. Microorganisms Associated with Dental Infections

Aerobic Gram Positive Cocci

• Viridans Group Streptococci
  • Streptoccocus anginosus
  • Streptococcus mitis
  • Streptococcus mutans
  • Streptococcus salivarius
  • Streptococcus sanguinis

Aerobic Gram Positive Bacilli

• Rothia dentocariosa

Aerobic Gram Negative Coccobacilli

• Aggregatibacter spp
• Capnocytophaga spp
• Eikenella spp
• Haemophilus spp

Anaerobic Gram Positive

• Actinomyces spp
• Anaerobic Gram positive cocci
• Anaerobic Gram positive bacilli

Anaerobic Gram Negative Bacilli

• Porphyromonas spp
• Fusobacterium spp
• Prevotella spp
• Bacteroides spp

Spirochetes

• Treponema spp

Aerobic Gram negative bacilli and Staphylococcus aureus rarely cause dental infections. They may be the causative agents in patients with serious underlying disease.