Microbiology Infective endocarditis after tooth extraction is probably due to ? A Streptococcus viridans B Streptococcus pneumoniae C Streptococcus pyogenes D Staphylococcus aureus 💡 Explanation Infective endocarditis after tooth extraction is probably due to ? ✓ Correct Answer: A. Streptococcus viridans