For most parents, fall means back to school, and for some, it means back to school sports. But while all that exercise may be great for your children’s muscles, it can often be bad news for their teeth. In fact, it is estimated that children lose about 3 million teeth a year to sports accidents! While many school districts and leagues have begun requiring mouthguards for all players, many still do not, and even if you buy one for your child, if it doesn’t fit right or feel comfortable, chances are your kid's not going to wear it. So, how can you choose the right mouth guard without breaking the bank - or your teeth?