As with an ordinary toothbrush, the electric version is subject to wear and tear from friction against the teeth and not designed to last indefinitely. With normal everyday usage an electric toothbrush head should be replaced every three to four months but there are exceptions to the rule. The toothbrush head should be changed if: – You have recently been treated for tooth decay or gum disease – You have been ill – You have accidentally shared your toothbrush with other people Further guidance can be found at https://yourdentalhealthresource.com/when-should-i-replace-my-electric-toothbrush-head/.]]>
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