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Dentists commonly recommend that you change your toothbrush every 3-4 months. They even suggest tossing the old brush if you notice the bristles fraying. Children’s toothbrushes usually need more frequent changing. Have you noticed that your child’s toothbrush typically wears and tears faster? That’s because younger children are still learning proper brushing techniques, and tend to bite down on the bristles making them frayed. Frayed bristles are not as effective at cleaning teeth!
If you’re suspicious your toothbrush needs to be changed, it most likely does!
Bacteria grows on toothbrushes. But don’t be alarmed! There is “insufficient clinical evidence to support that bacterial growth on toothbrushes will lead to specific adverse oral or systemic health effects“. However, if you or someone you live with is at a higher risk of infection due to a systemic disease or a compromised immune system, then changing out toothbrushes is that much more important. People who are more susceptible to disease or infection benefit from limited exposure to potentially harmful bacteria.
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