Dental material and method
AssigneeDENTSPLY International Inc.
InventorsBenjamin Sun, Andrew M Lichkus
Life of this patent
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Abstract
Abstract of Disclosure The invention provides a dental composition including filler and a polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material. The dental composition is useful as restorative material and for making artificial teeth, crowns and bridges of high strength dental polymeric material.
Claims30
A dental composition comprising filler and a polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material.
The composition of CWater sorption of the polymerized composite compositions of Examples 7C and 7D was measured according to ISO 4049. The samples were cured for 10 minutes in the Eclipse light curing unit (voltage at 37.5 V, blowers at 80% from 5:30-10:00 minutes).laim 1 wherein said filler comprises nanoparticles.
A dental method, comprising:
- providing a composition comprising a filler and a polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material,
- polymerizing said composition to form high strength dental polymeric material with a shrinkage during polymerization of less than 2 percent by volume.
A high strength dental polymeric material formed from a composition comprising nanoparticles and a polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material.
A method, comprising:
- polymerizing a composition to form a high strength dental polymeric material, said composition comprising nanoparticles and polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material.
A composition, comprising:
- at least 0.01 percent by weight of a polymerizable dental material and
- at least 0.01 percent by weight of a filler selected from the group consisting of particles and fibers,
- said polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material.
A method, comprising:
- polymerizing a restorative paste wax polymerizable dental material to form a high strength dental polymeric material. 20. The method of claim 19 wherein said high strength dental polymeric material is at least a portion of an artificial tooth, a full denture, a partial denture, a night guard or a bridge. 21. The method of claim 19 wherein said restorative paste wax polymerizable dental material is shaped into at least a portion of a denture base and polymerized to form a polymeric material.
22. A high strength dental polymeric material formed from restorative paste wax polymerizable dental material. 23. The material of claim 22 wherein said restorative paste wax polymerizable dental material is shaped into at least a portion of a denture base and said high strength dental polymeric material is formed by light curing. 24. The material of claim 22 wherein said restorative paste wax polymerizable dental material is shaped into at least a portion of a denture base and said polymeric material has flexural modulus of at least 400,000 psi and a flexural strength of at least 7,000 psi.
25. A method, comprising:
- providing a syringe having an inner chamber and a nozzle, said nozzle having a nozzle passage in fluid flow communication with said inner chamber, said inner chamber enclosing polymerizable dental material being selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material, and
- polymerizing a restorative paste wax polymerizable dental material to form a high strength dental polymeric material.
26. The method of claim 25 wherein said syringe is heated to from 42°C to 60°C, and said nozzle is readily disconnected and said nozzle passage is generally cylindrical and has an internal diameter of from about 0.5 mm to about 5.0 mm.
27. A dental method, comprising:
- providing a composition comprising a filler and a polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material,
- forming said composition to form an artificial tooth shape.
28. The dental method of claim 27 wherein said composition is polymerizable to form a high strength dental polymeric material having flexural modulus of at least 300,000 psi and a flexural strength of at least 7,000 psi.
29. A dental artificial tooth, comprising:
- a dental composition comprising a filler and a polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material,
- said composition having an artificial tooth shape.
30. The dental artificial tooth of claim 29 wherein said dental composition is polymerizable to form a high strength dental polymeric material having flexural modulus of at least 300,000 psi and a flexural strength of at least 7,000 psi.
31. A dental method, comprising:
- providing a composition comprising at least 40 percent by weight filler and a polymerizable dental material selected from the group consisting of wax-like polymerizable dental material and restorative paste wax polymerizable dental material,
- positioning said composition into a cavity in a natural tooth in a patient"s mouth.
32. The method of claim 31 further comprising light curing said composition to form high strength dental polymeric material with a shrinkage during polymerization of less than 2 percent by volume.
33. The method of Claim 32 wherein said polymeric material is a high strength dental polymeric material.
34. The method of Claim 32 wherein said polymeric material has a flexural modulus of at least 400,000 psi and a flexural strength of at least 7,000 psi.
Dependencies are inferred from the claim text.