IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0074300
(2005-03-07)
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등록번호 |
US-8337199
(2012-12-25)
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발명자
/ 주소 |
|
출원인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
86 |
초록
▼
A shell-shaped dental aligner for producing predetermined movement in a patient's tooth includes a shell portion comprising a fluid-permeable material, an outer surface of the shell portion, and an inner surface of the shell portion, the inner surface to be in contact with the patient's tooth. The f
A shell-shaped dental aligner for producing predetermined movement in a patient's tooth includes a shell portion comprising a fluid-permeable material, an outer surface of the shell portion, and an inner surface of the shell portion, the inner surface to be in contact with the patient's tooth. The fluid-permeable material can allow fluid to communicate between the patient's tooth and the vicinity of the outer surface.
대표청구항
▼
1. A fluid-permeable dental aligner for producing predetermined movement of one or more teeth in a dental arch of a patient, comprising: a shell-shaped structure configured to fit over said dental arch, said shell-shaped structure having an inner surface configured to be in contact with said one or
1. A fluid-permeable dental aligner for producing predetermined movement of one or more teeth in a dental arch of a patient, comprising: a shell-shaped structure configured to fit over said dental arch, said shell-shaped structure having an inner surface configured to be in contact with said one or more teeth and an opposing outer surface configured to be exposed to a mouth cavity of the patient;said shell-shaped structure comprising a porous portion of sufficient hardness to produce movement of said one or more teeth, said porous portion configured to be in contact with said one or more teeth and comprising one or more pores passing from said inner surface to said outer surface, said one or more pores being configured to communicate air and saliva between said one or more teeth and said mouth cavity. 2. The fluid-permeable dental aligner of claim 1, wherein said shell-shaped structure is configured to overlap gingiva adjacent to said one or more teeth, and wherein said one or more pores are configured to communicate air and saliva between said mouth cavity and said gingiva. 3. The fluid-permeable dental aligner of claim 1, wherein the shell shaped structure comprises a porous polymeric material. 4. The fluid-permeable dental aligner of claim 1, wherein the pores are drilled by a laser beam. 5. The fluid-permeable dental aligner of claim 1, wherein the one or more pores have diameters in the range of 50 Å to 400 μM. 6. The fluid-permeable dental aligner of claim 1, comprising a non-uniform distribution of said pores. 7. The fluid-permeable dental aligner of claim 6, wherein a spatial density of said pores on said shell-shaped structure is greater at a location adjacent to a cervical line than a location not adjacent to the cervical line. 8. A method for treating a patient's teeth, comprising: determining an initial configuration of the patient's teeth in a dental arch;determining a final configuration of the patient's teeth in the dental arch;designing a movement path for at least one of the patient's teeth from the initial configuration to the final configuration;dividing the movement path into a plurality of successive treatment steps, each having a target configuration for the patient's teeth; andproducing a fluid-permeable dental aligner to move the patient's teeth toward the target configuration associated with a treatment step, said fluid-permeable dental aligner comprising a shell-shaped structure configured to fit over said dental arch, said shell-shaped structure having an inner surface configured to be in contact with the patient's teeth and an opposing outer surface configured to be exposed to a mouth cavity of the patient;wherein producing said fluid-permeable dental aligner comprises forming a porous portion of sufficient hardness to produce movement of one or more of the patient's teeth, said porous portion configured to be in contact with said one or more teeth and comprising one or more pores passing from said inner surface to said outer surface, said one or more pores being configured to communicate air and saliva between said patient's one or more teeth and said mouth cavity. 9. The method of claim 8, wherein forming said one or more pores comprises drilling holes with a laser beam in a dental-aligner material. 10. The method of claim 8, wherein the fluid-permeable dental aligner comprises a porous polymeric material. 11. The method of claim 8, wherein the target configuration comprises the target positions and the target orientations of one or more of the patient's teeth. 12. The method of claim 8, further comprising molding the fluid permeable dental aligner in a casting chamber. 13. The method of claim 8, wherein the pores are formed by subliming a low density granular compound by pressure and elevated temperature in a base material. 14. The method of claim 8, further comprising: performing a computer simulation to predict a fluid permeation function representing a degree of communication of air and/or liquid through the pores of the fluid-permeable dental aligner. 15. The method of claim 14, further comprising: optimizing a the degree of communication of air and/or liquid of the dental aligner by varying one or more of the diameter of said pores and the distribution of said pores. 16. The method of claim 15, wherein the degree of communication of air and/or liquid depends on a climate of a location in which the dental aligner is to be worn. 17. The method of claim 15, wherein the degree of communication of air and/or liquid depends on an expected usage pattern of the dental aligner by the patient. 18. The method of claim 8, further comprising: providing a greater distribution of said pores in the dental aligner adjacent to a cervical line. 19. A system for treating a patient's teeth, comprising: a computer configured to determine a target configuration for the patient's teeth in a dental arch;an apparatus configured to produce a fluid-permeable dental aligner configured to move the patient's teeth toward the target configuration;one or more fluid-permeable dental aligners produced by the apparatus, said dental-aligners comprising a shell-shaped structure configured to fit over said dental arch, said shell-shaped structure having an inner surface configured to be in contact with said patient's teeth and an opposing outer surface configured to be exposed to a mouth cavity of the patient, said shell- shaped structure comprising a porous portion of sufficient hardness to produce movement of one or more of the patient's teeth, said porous portion configured to be in contact with said one or more teeth and comprising one or more pores passing from said inner surface to said outer surface, said one or more pores being configured to communicate air and saliva between said one or more teeth and said mouth cavity. 20. The method of claim 19, wherein the fluid-permeable dental aligner comprises a porous polymeric material. 21. The system of claim 19, wherein the apparatus is configured to drill holes by a laser beam in a dental-aligner material to form the fluid-permeable dental aligner. 22. The system of claim 19, wherein the apparatus is configured to mold the fluid-permeable dental aligner using a casting chamber. 23. The system of claim 19, wherein the apparatus is configured to form one or more pores having diameters in the range of 50 Å to 400 μM
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