Multiple choice

Cleaning teeth is important because

  1. to give you a pretty smile

  2. to make your breath smell nice

  3. to shine your teeth

  4. prevent acid eroding your teeth
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bacteria in the mouth convert sugars into acids, which can erode tooth enamel. Cleaning teeth removes plaque and food particles, preventing this acid buildup.

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