In addition, you should know that if you want to use a retainer for teeth grinding, you're going to miss out on a number of customization options. Because of how CustMbite products are designed, you can mold them to fit your oral cavity once you receive your device. Not only that, but you can continue to reshape your device multiple times, which is useful for children who are growing new teeth – or for those with TMJ disorder that are slowly re-aligning their jaws.