how often should you change a toothbrush
You should replace your toothbrush every 3 to 4 months. Using a toothbrush with frayed or worn bristles will mean that your teeth get a less effective cleaning. Some people will wear down the bristles more quickly and will need to replace their toothbrush more often.ince toothbrushes can harbor so many bacteria, it is recommended that you change your toothbrush every 3-4 months. Donât wait until the bristles fray or your brush develops mold!!! Yesâ¦this can happen. Here are also other times when you want to change your toothbrush.