Answer
Jan 08, 2025 - 08:08 PM
According to the American Dental Association (ADA), it is recommended to replace your toothbrush head every three to four months, which is approximately every 90 days. This is to prevent the accumulation of bacteria on the bristles and to ensure that the brush head remains effective in cleaning your teeth and gums. Over time, the bristles may deteriorate, bend, and fray, reducing their cleaning ability. Therefore, regular replacement of the brush head is important to maintain optimal oral hygiene.
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