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A system for repositioning teeth comprises a plurality of individual appliances used with braces. The appliances are configured to be placed successively on the patient's teeth and to incrementally reposition the teeth from an initial tooth arrangement, through a plurality of intermediate tooth arra

A system for repositioning teeth comprises a plurality of individual appliances used with braces. The appliances are configured to be placed successively on the patient's teeth and to incrementally reposition the teeth from an initial tooth arrangement, through a plurality of intermediate tooth arrangements, and to a final tooth arrangement. The appliances may be substituted with braces as appropriate to optimize the treatment of the teeth.

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What is claimed is: 1. A method for repositioning teeth from a first tooth arrangement to a subsequent tooth arrangement, the method comprising: successively placing a plurality of appliances having cavities and wherein the cavities of successive appliances have different geometries selected to rec

What is claimed is: 1. A method for repositioning teeth from a first tooth arrangement to a subsequent tooth arrangement, the method comprising: successively placing a plurality of appliances having cavities and wherein the cavities of successive appliances have different geometries selected to receive and progressively reposition the teeth from a first arrangement to successive arrangements, wherein treatment cavity geometries for at least two of the appliances are determined at the outset of treatment; and placing one or more wire and bracket systems to progressively reposition the teeth from a successive arrangement to a subsequent arrangement, the brackets being deployed in seriatim after successively placing appliances. 2. A method as in claim 1, further comprising determining a treatment plan at the outset of treatment. 3. A method as in claim 1, further comprising fabricating the appliances at the outset of treatment. 4. A method as in claim 1, further comprising replacing the appliances based on a predetermined schedule. 5. A method as in claim 1, further comprising reevaluating progress of repositioning of the teeth having wire and bracket systems to determine the need for subsequent appliances. 6. A method as in claim 5, further comprising placing one or more successive appliances having geometries selected to progressively reposition the teeth after the step of placing one or more wire and bracket systems. 7. A method as in claim 1, further comprising placing at least one attachment device on the teeth. 8. A method as in claim 7, wherein at least one appliance comprises an aperture formed in the appliance which corresponds to the attachment device. 9. A method as in claim 7, further comprising providing a multi-tooth attachment template for placing several attachment devices on the teeth. 10. A method for repositioning teeth from an initial tooth arrangement to a final tooth arrangement, the method comprising: successively placing three or more appliances having cavities and wherein the cavities of successive appliances have different geometries selected to receive and progressively reposition the teeth from an initial arrangement to successive arrangements, wherein treatment cavity geometries for at least two of the appliances are determined prior to using any of the at least two appliances to progressively reposition the teeth; and placing one or more wire and bracket systems to progressively reposition the teeth from a successive arrangement to a final arrangement, the brackets being deployed in seriatim after successively placing appliances. 11. A method for repositioning teeth from a first tooth arrangement to a subsequent tooth arrangement, the method comprising: successively placing a plurality of appliances having geometries selected to progressively reposition the teeth from a first arrangement to successive arrangements, wherein treatment cavity geometries for at least two of the appliances are determined prior to using any of the at least two appliances to progressively reposition the teeth; placing one or more wire and bracket systems to progressively reposition the teeth from a successive arrangement to another arrangement, the brackets being deployed in seriatim after successively placing appliances; and subsequently placing one or more successive appliances having cavities and wherein the cavities of successive appliances have different geometries selected to receive and progressively reposition the teeth from the another arrangement to a subsequent arrangement. 12. A method for repositioning teeth from an initial tooth arrangement to a final tooth arrangement, the method comprising: successively placing three or more appliances having cavities and wherein the cavities of successive appliances have different geometries selected to receive and progressively reposition the teeth from an initial arrangement to successive arrangements, wherein treatment cavity geometries for at least two of the appliances are determined prior to using any of the at least two appliances to progressively reposition the teeth; placing one or more wire and bracket systems to progressively reposition the teeth from a successive arrangement to a subsequent arrangement, the brackets being deployed in seriatim after successively placing appliances; and subsequently placing one or more successive appliances having geometries selected to progressively reposition the teeth from the subsequent arrangement to a final arrangement. 13. A method for treating a dental malocclusion, the method comprising: providing predetermined criteria for distinguishing a more severe malocclusion; determining a treatment plan for an individual patient at the outset of treatment based on the criteria, wherein the treatment plan comprises: placing one or more wire and bracket systems to progressively reposition the teeth from a first arrangement which is a more severe malocclusion to a successive arrangement which is a less severe malocclusion; and successively placing a plurality of appliances having cavities and wherein the cavities of successive appliances have different geometries selected to receive and progressively reposition the teeth from the successive arrangement to a subsequent arrangement, wherein treatment cavity geometries for at least two of the successive appliances are predetermined geometries which have been determined prior to using any of the at least two appliances to progressively reposition the teeth, the wire and bracket systems and appliances being deployed in seriatim to reposition teeth from the first arrangement to the subsequent arrangement. 14. A method as in claim 13, wherein the criteria characteristic of a more severe malocclusion includes at least some of the following: A-P correction of greater than 2 mm; autorotation of the mandible required for vertical/A-P correction; CR-CO discrepancy correction/treatment to other than centric occlusion; correction of moderate to severe rotations of premolars and/or cannines that are greater than 20 degrees; severe deep bite opened to ideal or open bite to be closed to ideal; extrusion of teeth greater than 1 mm other than as part of torquing or in conjunction with intrading adjacent teeth; teeth tipped by more than 45 degrees; multiple missing teeth; crowns less than 70% of normal size; posterior open bite; and movement of entire arch required for A-P correction. 15. A method as in claim 13, wherein the step of successively placing comprises placing at least two additional appliances having geometries selected to progressively reposition the teeth from the successive arrangement to the subsequent arrangement. 16. A method as in claim 13, wherein the step of successively placing comprises placing at least ten additional appliances having geometries selected to progressively reposition the teeth from the successive arrangement to the subsequent arrangement. 17. A method as in claim 13, wherein the appliances have been fabricated at the outset of treatment. 18. A method as in claim 13, further comprising replacing the appliances based on a predetermined schedule. 19. A method as in claim 13, further comprising placing at least one attachment device on the teeth. 20. A method as in claim 19, wherein at least one appliance comprises an aperture formed in the appliance which corresponds to the attachment device. 21. A method as in claim 19, further comprising providing a multi-tooth attachment template for placing several attachment devices on the teeth. 22. A method as in claim 13, wherein the more severe malocclusion comprises a malocclusion requiring treatment with a wire and bracket systems in order to achieve a desired reconfiguration of the teeth and a less severe malocclusion is a malocclusion that does not require treatment with a wire and bracket system in order to achieve a desired reconfiguration of the teeth. 23. A method for treating a dental malocclusion, the method comprising: providing predetermined criteria for distinguishing a more severe malocclusion; determining a treatment plan for an individual patient at the outset of treatment based on the criteria, wherein the treatment plan comprises: placing one or more wire and bracket systems to progressively reposition the teeth from an initial arrangement which is a more severe malocclusion to a subsequent arrangement which is a less severe malocclusion; and successively placing three or more appliances having cavities and wherein the cavities of successive appliances have different geometries selected to receive and progressively reposition the teeth from the subsequent arrangement to a final arrangement, wherein treatment cavity geometries for at least two of the appliances are predetermined geometries which have been determined prior to using any of the at least two appliances to progressively reposition the teeth, the wire and bracket systems and appliances being deployed in seriatim to reposition teeth from the initial arrangement to the final arrangement. 24. A method for repositioning teeth from an initial tooth arrangement to a final tooth arrangement, the method comprising: placing an attachment template over several teeth; placing several attachment devices to the teeth with the template; successively placing a plurality of appliances having cavities and wherein the cavities of successive appliances have different geometries selected to receive and progressively reposition the teeth form a first arrangement to successive arrangements, wherein treatment cavity geometries for at least two of the appliances are determined prior to using any of the at least appliances to progressively reposition the teeth; and placing one or more wire and bracket systems to progressively reposition the teeth from one arrangement to a successive arrangement, the brackets and appliances being deployed in seriatim to reposition teeth from the initial tooth arrangement to the final tooth arrangement. 25. A method as in claim 24, wherein the attachment template comprises an appliance. 26. A method as in claim 24, wherein the attachment template comprises a handle. 27. A method as in claim 24, wherein the attachment template comprises at least one negative impression of an attachment device. 28. A method as in claim 24, wherein at least one appliance has an aperture formed in the appliance which corresponds to the attachment device. 29. A method as in claim 24, further comprising determining a treatment plan at the outset of treatment. 30. A method as in claim 24, further comprising fabricating the appliances at the outset of treatment. 31. A method as in claim 24, further comprising replacing the appliances based on a predetermined schedule. 32. A method as in claim 24, further comprising determining positions of the attachment devices prior to treatment. 33. A method for repositioning teeth from a first tooth arrangement to a subsequent tooth arrangement, the method comprising: successively placing a plurality of appliances having cavities and wherein the cavities of successive appliances have different geometries selected to receive and progressively reposition the teeth from a first arrangement to successive arrangements, wherein treatment cavity geometries for at least two of the appliances are determined prior to using any of the at least two appliances to progressively reposition the teeth; and placing one or more wire and bracket systems to progressively reposition the teeth from a successive arrangement to a subsequent arrangement, the appliances and wire and bracket systems being deployed in seriatim to reposition teeth from the first arrangement to the subsequent arrangement.