Patent ID: 8186356

Claim:
A mouth guard for a human adult having bicuspids and canines comprising: a tray having an arcuate trough open at each end and dimensioned to receive at least a portion of the incisors of the human adult, said tray constructed of a rigid plastic material, dental impression material disposed in said trough of said tray and extending outwardly from each end of said trough by an amount such that, with said tray positioned over the incisors of an adult human, the outwardly extending amount of said impression material registers with canine or first bicuspid teeth of the human adult, an arcuate channel formed in said impression material, said channel extending between the ends of the impression material and having spaced apart inner and outer sidewalls, wherein said impression material includes a plurality of longitudinally spaced ridges which extend laterally inwardly into said channel from both said inner and outer sidewalls of said channel at longitudinally spaced positions along said channel.