Which of the following are true regarding microorganisms associated with endodontic disease?
The vast majority of endodontic infections contain anaerobic bacteria
Kobayashi found similar bacteria from caries infections as were found in root canals
Tissue fluid, necrotic pulp tissue, low-oxygen tension, and bacterial by-products determine which bacteria will predominate
Teeth requiring endodontic retreatment have shown a prevalence of Streptococcus faecalis.
Facultative bacteria are predominant in the initial infections of root canals.
1 and 3 only
1, 3, and 5
1, 2 and 4
2 and 4
1, 3 and 4
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