Claims
- 17. A microwave polymerization system, comprising:
a microwave transparent flask; and a polymerizable composition positioned within said flask, wherein said composition is maintained at a pressure of at least 8 P.S.I. by injection of gas or resin matrix into the flask during polymerization by application of microwave energy.
- 18. The system of claim 17, wherein the composition for making dental prosthetics comprises at least:
a) a polymerizable monomer within the following general formulas: 6b) a powdery component within the general formula: 7c) a filler; and d) a microwave activated initiator.
- 19. The system of claim 17, wherein the composition comprises a polymerizable monomer and oligomer such as Bis-GMA a filler and a microwave activated initiator.
- 20. The system of claim 17, wherein the composition is for making a soft dental structure having a compound within the general formula:
- 31. A microwave polymerization system for polymerizing dental prosthetics and dental composites formed of a resin matrix comprising:
a source of microwave energy; an antenna defining a space during an application of microwave energy to the resin matrix that is in the form of a cavity, defined by continuer walls having at least one opening therein to permit insertion and removal of at least one flask containing a dental prosthetic made of a resin matrix that is to be microwave polymerized; a wave guide connected to the source of microwave energy and to the antenna to deliver microwave energy to the antenna; and a gas pressurization system operably coupled to the flask that applies a pressurized gas to the flask during the application of microwave energy.
- 32. The microwave polymerization system of claim 31, further comprising a material injection system that introduces additional resin matrix into the flask during the application of microwave energy.
- 33. The gas pressurization system of claim 32, further comprising means for rotating the flask within the cavity and including rotatable couplers for connecting the gas pressurization system and the material injection system to the flask.
- 34. The gas pressurization system of claim 32, wherein the material injection system comprises:
an injection nozzle operably coupled to the flask that introduces additional resin matrix into the flask during the application of microwave energy; and a piston under a hydraulic pressure operably forcing additional fluid resin matrix from its compartment through the injection nozzle.
- 35. The gas pressurization system of claim 34, wherein the injection nozzle includes a means for quick connection of the injection nozzle with the flask.
- 36. A method of polymerizing dental prosthetics and dental composites formed of a resin matrix comprising:
providing a source of microwave energy; applying the microwave energy through an antenna to the resin matrix; and applying a pressurized gas to the resin matrix during the step of applying the microwave energy.
- 37. The method of claim 36, further comprising the step of introducing additional material to the resin matrix during the step of applying the microwave energy.
- 38. A method of polymerizing dental prosthetics and dental composites formed of a resin matrix comprising:
providing a source of microwave energy; applying the microwave energy through an antenna to the resin matrix; and introducing additional material to the resin matrix during the step of applying the microwave energy.
- 39. The method of claim 38, further comprising the step of applying a pressurized gas to the resin matrix during the step of applying the microwave energy.
- 40. A dental prosthetic produced by the steps of:
providing a source of microwave energy; applying microwave energy through an antenna to the resin matrix; and applying a pressurized gas to the resin matrix during the step of applying the microwave energy.
- 41. A dental prosthetic produced by the steps of:
providing a source of microwave energy; applying the microwave energy through an antenna to the resin matrix; and introducing additional material to the resin matrix during the step of applying the microwave energy.
- 42. A microwave polymerization system for polymerizing dental prosthetics and dental composites formed of a resin matrix comprising:
a source of microwave energy; an antenna defining a space during an application of microwave energy to the resin matrix that is in the form of a cavity, defined by continuer walls having at least one opening therein to permit insertion and removal of at least one flask containing a dental prosthetic made of a resin matrix that is to be microwave polymerized; a wave guide connected to the source of microwave energy and to the antenna to deliver microwave energy to the antenna; and a material injection system operably coupled to the flask that introduces additional resin matrix into the flask during the application of microwave energy.
- 43. The microwave polymerization system of claim 42, further comprising means for rotating the flask within the cavity and including rotatable couplers for connecting the material injection system to the flask.
- 44. The microwave polymerization system of claim 42, wherein the material injection system comprises:
an injection nozzle operably coupled to the flask that introduces additional resin matrix into the flask during the application of microwave energy; and a piston under a hydraulic pressure operably forcing additional fluid resin matrix from its compartment through the injection nozzle.
- 45. The material injection system of claim 44, wherein the injection nozzle includes a means for quick connection of the injection nozzle with the flask.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2,246,663 |
Sep 1998 |
CA |
|
RELATED APPLICATION
[0001] The present invention is a continuation of co-pending U.S. patent application Ser. No. 09/399,997 entitled MICROWAVE POLYMERIZATION SYSTEM FOR DENTISTRY, filed Sep. 20, 1999, which claims priority to PCT Application No. PCT/US99/20960, filed Sep. 17, 1999, which claims priority to Canadian Patent No. 2,246,663, filed Sep. 18, 1998, the contents of all of which are hereby incorporated by reference.
Continuations (1)
|
Number |
Date |
Country |
Parent |
09399997 |
Sep 1999 |
US |
Child |
10166569 |
Jun 2002 |
US |