When your toothbrush is no longer up to performing its primary task (the American Dental Association recommends replacing yours every three to four months), take a beat before tossing it in the trash.

Even the best electric toothbrush eventually reaches the end of its dental career, but that doesn't mean it's ready for retirement. Before sending it to the recycling bin, consider its untapped ...

The old family toothbrush That hangs by the sink. First it was father’s . . . Almost as bad as the toothbrush of this parody, say Dentists Allen O. Gruebbel and J. M. Wisan, is the actual toothbrush ...