| 摘要 |
A dental mouthpiece clenched between the teeth and used to alleviate numerous dental and medical conditions as well as increase a user's performance. The mouthpiece improves facial tone and provides relief of temporomandibular joint pain and associated grinding of the teeth. The mouthpiece is less visible than prior art devices, even when the wearer opens his/her mouth, and does not cause discomfort. Furthermore, the mouthpiece allows for substantially unaffected speech, by the strategic placement of protuberances, so that the user may keep the mouthpiece in place and proceed about his or her business without providing any sound or visual cues to the presence of the mouthpiece.
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