Mouthguard, created by a dentist, lowers the chance of dental damage during the most demanding sports.
A thicker posterior region aids in impact absorption, but a thin front wall structure won't obstruct speech or breathing.
Co-polymer resin that fits quickly and comfortably

Using an aerated shock-absorbing "pillow," oral trauma is lessened.
Better blunt-blow protection results from a proper fit.
Keeping a low profile lessens gagging.