Patent ID: 6932088

Claim:
A mouthguard including a U-shaped base having an upper surface and a lower surface, an inner wall extending upwardly from an inner margin of said base upper surface and having a inner surface adapted to face toward the inside surface of a wearer's teeth, a fluid-impervious outer wall extending upwardly from an outer margin of said base upper surface and having a outside surface adapted to face toward the outside surface of said wearer's teeth, said inner and outer walls defining with said base upper surface a trough adapted to receive said wearers upper teeth, wherein the improvement comprises: a recess extending into at least one of said inner wall and said base proximate said wearer's incisor teeth and extending between said base upper and lower surfaces, said recess being so positioned, configured and arranged as to enable said wearer to suck fluids from said trough through said recess when said mouthguard is installed such that said mouthguard will fit more closely securely than if such removed fluids were present in said trough.