What Mechanism Allows Strict Anaerobes to Grow in the Cervices

question 6

Multiple Choice

What mechanism allows strict anaerobes to grow in the cervices and areas between the teeth when plaque is present?

• A) A low oxidation-reduction potential occurs at the tooth surface under the plaque.
• B) The bacteria secrete sugar to nourish the strict anaerobes.
• C) The normal florae secrete antibiotics to kill all the other bacteria and allow the strict anaerobes to thrive.
• D) The plaque-causing bacteria secrete an alkaline fluid and change the pH around the tooth.

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