When was the last time you took a close look at your toothbrush? If you inspect it and discover that the bristles are flattened, frayed, or discolored, they may not be cleaning your smile as well as you think they are. In fact, dental experts have found that using a toothbrush past its prime can lead to noticeable oral health issues. Here’s when your Mesquite dentist recommends replacing your toothbrush, and what could happen to your smile if you don’t.