| 摘要 |
A mouthguard ( 10 ) of "C" shaped configuration having a forward portion ( 11 ) from which there rearwardly diverges a pair of arms ( 12 ). The mouthguard ( 10 ) in transverse cross section is of a "U" shaped configuration. In one embodiment each arm ( 12 ) is provided with a ridge ( 22 ) which acts as a shield, while the forward portion ( 11 ) is thickened so as to provide a labial shield ( 23 ). |
