IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0737313
(2000-12-13)
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발명자
/ 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
Townsend and Townsend and Crew LLP
|
인용정보 |
피인용 횟수 :
28 인용 특허 :
76 |
초록
▼
A computer-implemented method treats teeth by generating a digital arrangement of teeth; specifying a sequence of tooth movements to move the teeth to a target arrangement; and generating one or more appliances in accordance with the specified sequence of tooth movements, the appliances comprise pol
A computer-implemented method treats teeth by generating a digital arrangement of teeth; specifying a sequence of tooth movements to move the teeth to a target arrangement; and generating one or more appliances in accordance with the specified sequence of tooth movements, the appliances comprise polymeric shells having cavities and wherein the cavities of successive shells have different geometries shaped to receive and resiliently reposition teeth from one arrangement to a successive arrangement.
대표청구항
▼
1. A computer-implemented method for producing appliances to treat teeth, comprising:specifying a sequence of tooth movements to move the teeth through a series of discrete tooth arrangements, wherein at least some of the tooth arrangements are represented by digital data sets, wherein specifying a
1. A computer-implemented method for producing appliances to treat teeth, comprising:specifying a sequence of tooth movements to move the teeth through a series of discrete tooth arrangements, wherein at least some of the tooth arrangements are represented by digital data sets, wherein specifying a sequence of tooth movements comprises moving teeth according to an optimization function; andproducing one or more appliances in accordance with the digital data sets wherein the appliances comprise polymeric shells having cavities and wherein the cavities of successive shells have different geometries shaped to receive and resiliently reposition teeth from one tooth arrangement to a successive tooth arrangement. 2. The computer-implemented method of claim 1, wherein the optimization function comprises moving teeth using force directed placement. 3. The computer-implemented method of claim 1, wherein the optimization function comprises moving teeth using simulated annealing. 4. The computer-implemented method of claim 1, wherein the optimization function comprises moving teeth using genetic algorithm. 5. The computer-implemented method of claim 1, wherein the optimization function comprises moving teeth by minimizing a cost function. 6. The computer-implemented method of claim 1, wherein specifying a sequence of tooth movements further comprises moving teeth using a random walk algorithm. 7. The computer-implemented method of claim 1, wherein specifying a sequence of tooth movements comprises moving teeth until the sum of differential distances for the plurality of teeth exceeds a predetermined threshold, thereby producing a final digital data set. 8. The computer-implemented method of claim 1, wherein specifying a sequence of tooth movements comprises:determining a first distance between a selected tooth and a first tooth that is adjacent to the selected tooth;determining a second distance between the selected tooth and a second tooth that is adjacent to the selected tooth; andcalculating a difference between the first and second distances. 9. The computer-implemented method of claim 8, wherein the first and second distances are the minimum distances between the teeth. 10. The computer-implemented method of claim 1, further comprising:generating an initial final digital data set based on a masticatory system of a patient;generating at least one intermediate digital data set based on the initial digital data set and the final digital data set; andproducing an incremental adjustment appliance based on each intermediate digital data set. 11. The method of claim 1, wherein specifying the sequence of tooth movements comprises:generating an initial digital data set representing an initial tooth arrangement;based on the initial digital data set, generating a second data set representing a second tooth arrangement; and,based on the second data set, generating a third data set representing a third tooth arrangement. 12. A computer-implemented method for producing appliances to treat teeth, comprising:specifying a sequence of tooth movements to move the teeth through a series of discrete tooth arrangements, wherein at least some of the tooth arrangements are represented by digital data sets,generating subsequent digital data sets based on prior digital data sets until a final digital data set representing an acceptable tooth arrangement is achieved; andproducing one or more appliances in accordance with the digital data sets wherein the appliances comprise polymeric shells having cavities and wherein the cavities of successive shells have different geometries shaped to receive and resiliently reposition teeth from one tooth arrangement to a successive tooth arrangement. 13. An apparatus for producing appliances to treat teeth, the apparatus comprising:means for generating a digital arrangement of teeth;means for specifying a sequence of tooth movements to move the teeth to a target arrangement according to an optimization function; andmeans for generating one or more appliances in accordance with the specified sequence of tooth movements, the appliances comprise polymeric shells having cavities and wherein the cavities of successive shells have different geometries shaped to receive and resiliently reposition teeth from one arrangement to a successive arrangement. 14. A computer program product, tangibly stored on a computer-readable medium, for producing appliances to treat teeth, comprising instructions operable to cause a programmable processor to:generate a digital arrangement of teeth;specify a sequence of tooth movements to move the teeth to a target arrangement according to an optimization function; andgenerate one or more appliances in accordance with the specified sequence of tooth movements, the appliances comprise polymeric shells having cavities and wherein the cavities of successive shells have different geometries shaped to receive and resiliently reposition teeth from one arrangement to a successive arrangement. 15. A system for treating teeth, comprising:a processor;a display device coupled to the processor; anda data storage device coupled to the processor, the data storage device storing instructions operable to cause the processor to:generate a digital arrangement of teeth;specify a sequence of tooth movements to move the teeth to a target arrangement according to an optimization function; andgenerate one or more appliances in accordance with the specified sequence of tooth movements, the appliances comprise polymeric shells having cavities and wherein the cavities of successive shells have different geometries shaped to receive and resiliently reposition teeth from one arrangement to a successive arrangement. 16. The system of claim 15, wherein the specify instruction further comprises instructions to generate subsequent digital data sets based on prior digital data sets until a final digital data set representing an acceptable tooth arrangement is achieved. 17. The system of claim 15, wherein specify instructions comprises instructions to:generate an initial digital data set representing an initial tooth arrangement;based on the initial digital data set, generate a second data set representing a second tooth arrangement; and,based on the second data set, generate a third data set representing a third tooth arrangement. 18. The computer-implemented method of claim 15, wherein the optimization function comprises moving teeth using force directed placement, simulated annealing, genetic algorithm, cost minimization, or random walk algorithm.
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