Dental adhesive
AssigneeProduits Dentaires Pierre Rolland
InventorsVincent MAURAT, Clemence PIGERON
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Abstract
A dental adhesive comprises at least one polymerizable monomer, a polymerization initiator, and thermo-expandable particles comprising a shell encapsulating an expansion agent, the dental adhesive being characterized in that the shells of the thermo-expandable particles are made of a copolymer of acrylonitrile and methyl methacrylate.
Claims9
A dental adhesive comprising at least one polymerizable monomer, a polymerization initiator, and thermo-expandable particles comprising a shell encapsulating an expansion agent, wherein the shells of the thermo-expandable particles are made of a copolymer of acrylonitrile and methyl methacrylate.
A method of unsticking a polymerized dental adhesive fastened to the surface of a tooth, said polymerized adhesive comprising at least a resin and thermo-expandable particles having a shell formed by a copolymer of acrylonitrile and methyl methacrylate encapsulating an expansion agent, wherein the polymerized adhesive is unstuck by applying ultrasound vibration to the polymerized adhesive.
Dependencies are inferred from the claim text.