Proper dental care involves brushing your teeth twice a day. The use of toothbrush will help you remove the plaque from your teeth as well as the other food pieces that are stuck in your teeth. Brushing your teeth two times a day for two minutes will protect your teeth against plaque and bacteria build-up. However, if your toothbrush is worn out, you are not reaping the benefits of proper oral care at all. It’s easy to know when to replace a worn-out shoe but how about your toothbrush? Do you know when to replace your toothbrush?