It really depends on the type of sport you do, if it is Rugby yes if it is swimming Ha no.
Action expanders help you organize your sentences. There are 5 groups of action expanders which are how,where, why, when, and condition
yes i wear one and have gotten away with it
u can wear a mouthpiece
Is really what makes you comfortable, Most players wear it on the upper jaw.
Jerseys. Jerseys shoes(cleats),pads,helmet and a mouthpiece. --------------- Some also wear pants.
To move your jaw
The cast of Expanders - 2007 includes: Dustin Reyna as Himself - Host
A mouthpiece is considered mandatory equipment and must be worn in NCAA football. The rule is 1-4d and it states: "ARTICLE 4. All players shall wear the following mandatory equipment, which shall be professionally manufactured and not altered to decrease protection.... d. Mouthpiece. An intra-oral mouthpiece of any readily visible color (not white or transparent) with FDA-approved base materials (FDCS) that covers all upper teeth..."
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The clarinet mouthpiece is called the mouthpiece. It doesn't have a special name.
contact a dentist. probably because a side of your expanders are loose. you might feel blisters on your cheek.
If you are asking about the Yamaha signiture mouthpiece, then this is a lead mouthpiece, it is very shallow.