After each use, the toothbrush should be placed in an upright position to dry. A toothbrush should not be shared and consider replacing it after a cold, flu or other mouth infection. Toothbrushes have been improved to help you reach between your teeth and along the gum line better. The most important thing is that you find one that is comfortable for you and that you use it correctly. You can do harm to your gums and teeth using a worn toothbrush and the wrong strokes.
Hard bristles can also be harmful.
Brushing is an essential skill for oral health. Finding a brush that your child likes will help their desire to brush. The dental hygienist is a good coach for correct brushing. The most common cause of bad breath is right in your mouth. After the teeth and gums, you should brush your tongue.