Patent ID: 11931220
Assignee: ULTRADENT PRODUCTS, INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC A  B  C | IPC A  B  C

Claim 20:
21. A dental treatment device, comprising:
a barrier layer formed from a composition comprising a wax component selected from petroleum wax and distilled wax and a thermoplastic elastomer component, wherein the composition comprises greater than 40% and up to 95% by weight of the wax component, wherein the composition is substantially free of ethylene-vinyl acetate copolymer (EVA), wherein the barrier layer is a dental tray or a strip and has a thickness in a range of about 0.025 mm to less than 1.5 mm; and
a dental treatment composition adjacent to or impregnated within the barrier layer,
wherein the barrier layer is plastically deformable at room temperature and thermally stable at a temperature up to at least 40° C.