How Often To Replace Electric Toothbrush. Most electric toothbrush heads and even some manual toothbrushes have wear indicators on the bristles that will tell you when it’s time to replace your toothbrush or toothbrush head. If you use an electric toothbrush, throw out the head as often as you'd discard a disposable toothbrush.
Generally speaking, replace your toothbrush head every three months. This will keep your electric toothbrush clean and prevent the buildup of bacteria. Overlooking this step can negatively impact your oral health.
Make sure to rinse your toothbrush carefully with water after every use.
This will keep your electric toothbrush clean and prevent the buildup of bacteria. Although this depends on several factors. Replace your manual toothbrush or electric toothbrush head every 3 months. Cleaning, storing and replacement the ada council on scientific affairs has archived the 2011 document “toothbrush care: