Multiple choice general knowledge

Brushing teeth hard serveral times a day will cause:

  1. injury and damage to gums

  2. whotening of teeth

  3. kill bacteria

  4. none
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Brushing teeth too hard abrades gum tissue and wears down enamel, causing gum recession, inflammation, and increased tooth sensitivity. The abrasive force damages delicate gum structures rather than cleaning more effectively.

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