Mouthguard effectiveness in the prevention of dental trauma increases with custom fitted protectors. Custom-fitted mouth protectors are individually designed and made to create the best-fit mouth protector for your athlete needs. First, Dr. Khan will create an imprint of your teeth. Then using a special material, will mold a custom fitted mouth guard just for you. This custom-made mouth guard may be more expensive than the other types, but it provides the most comfort and protection.