Mouthguard formed of propylene/alpha-olefin polymer elastomer

摘要

A self-customizable dental appliance adapted to lie within the mouth of a person with a connecting arch or a u-shaped style base with upstanding labial and lingual walls. The appliance is formed of a semi-crystalline polypropylene alpha-olefin copolymer containing stereoregular polymerized units of identical tacticity. In one embodiment, the appliance is formed of elastomeric propylene-ethylene copolymers.