| 摘要 |
<p>A composite mouthguard (60) has a flexible and tough, softenable thermoplastic mouthguard portion (61) with a U-shaped base (62) having upward inner lingual (68) and outer labial walls (70) extending therefrom. A shock absorbing and attenuating nonsoftening, resilient, low compression, elastomer framework (78) is embedded in the mouthguard portion (61) to absorb, attenuate and dissipate shock forces exerted on the mouthguard (60) during athletic activity.</p> |
