it was invented in 7000 b.c
You call it... An external mouth guard.
buy a new mouth guard
You take them out because if you keep them in and have a mouth guard in the denture cuts your mouth all up.
teeth
no
wallmart
carter woodson is the person who invented black history mouth
Dr. Peter Safar invented the CPR mouth barrier.
Mouth Piece, its used as a guard for your teeth.
a mouth guard
Yes