The Atlanta Journal-Constitution (4/15, Cattel) carries a Greatest.com article considering when the appropriate time to replace a toothbrush is. The article reports that an American Dental Association spokesperson said, “If the bristles are splayed or frayed, they won’t be pointing in the same direction, and they’re not as effective at cleaning your teeth.” Dentists recommend replacing the toothbrush every three months, or as soon as the bristles show noticeable wear. The article advises writing the expected date of replacement on the back of a new toothbrush upon opening it as a simple way to remember when it needs to be replaced.
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