Question

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Answer 1

Answer:

(1) The main cause of bleeding gums is the buildup of plaque at the gum line.

(2) The ADA recommend that people can prevent or stop tooth decay by: brushing teeth twice a day with fluoride toothpaste. limiting snacking. eating healthy, nutritious meals.

(3) causative agents of periodontitis: P. gingivalis, A. actinomycetemcomitans, and B. forsythus