Answer
Blank 1: Streptococcus mutans (viridans streptococcus)
Work Step by Step
The most common bacterium involved in cavity formation is Streptococcus mutans (viridans streptococcus).
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.