An important cause of tooth decay by the bacterium Streptococcus mutans is because of their ability to attach to teeth surface by producing slime layer from

  1. A. Sugar
  2. B. Alcohol
  3. C. Saliva
  4. D. Teichoic acid

Correct Answer: A. Sugar

Explanation

Streptococcus mutans breaks down dietary sugars to produce a sticky dextran slime layer, allowing it to adhere to teeth and form plaque.

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