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28 February, 02:28

Describe two reasons for replacing an old toothbrush

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Answers (2)
  1. 28 February, 04:18
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    Toothbrushes will accumulate bacteria (bacteria on teeth) and you will have good hygiene (maintain good health)
  2. 28 February, 04:19
    0
    You can get sick from reusing your tooth brush

    it can add more bacteria in your mouth therefore causing cavities
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