Patent ID: 8689797

Claim:
A self-customizable dental appliance formed of a semi-crystalline propylene ethylene copolymer comprising about 5% to about 25% by weight of ethylene-derived units and about 55% to about 95% by weight of propylene, wherein said semi-crystalline propylene ethylene copolymer is formed by copolymerizing propylene and ethylene using a chiral metallocene catalyst system, said semi-crystalline propylene-ethylene copolymer having crystallinity from about 2% to about 65% from polypropylene sequences, wherein said dental appliance is adapted to securely fit to teeth and wherein said dental appliance is configured to be molded by heating to a temperature of about 60° C. to about 100° C. and said dental appliance remains elastic/extensible at a workable temperature below 60° C. to conform said dental appliance to the contour of the mouth and teeth further comprising a layer of material extending upwardly in height, wherein said layer of material is adapted to be positioned adjacent to molars and/or bicuspids.