| 摘要 |
This invention is an improvement to a customized scuba diving mouthpiece (10) having a passageway forming front member (12) extending from a proximal in-mouth end (14) to a distal outside end (16), a U- shaped thermoformable back member (18) having a forward middle portion (20), flanges (24, 25), bite portions (28) configured to provide mold ability at substantially all points of contact between mouthpiece (10), and teeth. The improvement comprises the forming of a concave inner and outer surface (44, 46) on the leg portion (12) in order to reduce jaw fatigue, the rearward termination of the inner upstanding flange (24) substantially lateral to the diver's first molar, and the tapering of the rear portions of the leg members (12) so as to provide a more comfortable fit.
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