Patent ID: 9572645
Date: 2017-02-21
CPC Classifications: A61B,A61C,A61F,A61N

Claim:
1. A mouthpiece, comprising: a) a main body having a bite tab extending rearwardly central of said main body and having upper and lower surfaces engageable by a user's teeth; b) said main body having a periphery extending above and below said bite tab and including a peripheral seal extending completely and continuously therearound and configured to engage gums of said user wearing said mouthpiece to seal said user's oral cavity from outside said oral cavity, said peripheral seal comprising two concentric sealing members, a first peripheral seal comprising a seal bead and a second peripheral seal adjacent said first peripheral seal and said second peripheral seal comprising a wiper blade; c) said mouthpiece carrying a pH sensor immersable in saliva within the oral cavity and generating signals indicative of pH of saliva; and d) an indicator operating responsive to generation of said signals to display pH of saliva within said oral cavity.