Which of the following microorganisms are
most frequently found in infected root canals?
A. Streptococcus viridans.
B. Staphylococcus aureus.
C. Lactobacilli.
D. Enterococci.
E. Staphylococcus albus.
Asnwer: A
Primary root canal: Streptococcus
Failed root canal: Enterococci
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