There are several different types of mouthguards, but at Campbell Dental Arts, we recommend that you purchase a custom-made mouthguard for your child. Over-the-counter mouthguards include boil and bite mouthguards and stock mouthguards. Although stock mouthguards are typically the most affordable option, they often do not fit well and cause difficulty breathing. Boil and bite mouthguards often work better than stock mouthguards, but they are not as customizable as custom mouthguards from your dentist. For custom mouthguards, your dentist, Dr. Campbell, will make an impression of your teeth and then send it to a lab where they will make the mouthguard. Not only are custom-made mouthguards more comfortable, but they also do a better job of protecting your teeth from injury.