Many sports fans are tempted to save their money and purchase cheap over-the-counter mouth guards rather than have one professionally made for them. Mouthguards are absolutely crucial in a few sport, and at the top levels, many athletes aren't allowed to play unless they're wearing them. This is due to the danger of serious injury that's posed by not wearing adequate protection.
There are lots of issues with generic products offered in stores though. Normally, they're thick and broad and do not come in several different sizes. custom mouth guard on the other hand are professionally designed by a dentist and are developed to match the precise shape of your teeth and mouth.
If wearing a guard that's a poor match for your mouth, you put yourself in danger of sustaining a terrible injury. If you're struck by repeated high-impact collisions may drop out, leaving your mouth area totally unsafe.
When a dentist makes a custom-fitted mouthguard, they require an impression of your mouth and teeth and manufacture the shield to fit into your mouth perfectly and to mold around your teeth closely.
Custom mouthguards usually persist for quite a long time, but you need to find a new one created when your present guard collapses over time. Youngsters will have to have new custom made mouth guards created occasionally as they keep growing.