Replace Your Toothbrush Before the Bristles Give Up
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A worn-out toothbrush doesn't clean — it just moves bacteria around. Dentists recommend replacing your brush every 3 months, or sooner if the bristles are frayed. A simple trick: buy four brushes at once and swap at the start of each season. If you use an electric toothbrush, the same rule applies to the heads. It's one of the cheapest and most effective things you can do for your oral health.
The point
Replace your toothbrush every three months — frayed bristles don't clean effectively.
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