How Often Are You Supposed To Replace Toothbrush. The american dental association recommends getting a new toothbrush (or brush head, if you use an electric type) about every three months —. The american dental association recommends:
Here are a few ways that you can tell when your toothbrush needs to be replaced. Does anyone remember the exact amount of time, or what do you think? Yet, many people will use the same toothbrush for several months, long after it is.
Another contributing factor is that the bristles are shorter than manual toothbrushes.
If you are brushing your teeth twice a day for two minutes each time, then your toothbrush should really last only three to four months. You can tell if the brush is past its shelf life by looking physically at the bristles, says dr. If you are brushing your teeth twice a day for two minutes each time, then your toothbrush should really last only three to four months. You rely on your toothbrush to clean your teeth, gums, and to remove plaque.