Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-019/00
A61C-009/00
A61C-005/77
G06F-017/50
A61C-013/34
G16H-050/50
A61C-013/00
출원번호
US-0388580
(2016-12-22)
등록번호
US-10143541
(2018-12-04)
발명자
/ 주소
Kopelman, Avi
Taub, Eldad
출원인 / 주소
Align Technology, Inc.
대리인 / 주소
Wilson Sonsini Goodrich & Rosati
인용정보
피인용 횟수 :
0인용 특허 :
156
초록▼
A 3D virtual model of an intra oral cavity in which at least a part of a finish line of a preparation is obscured is manipulated in virtual space by means of a computer or the like to create, recreate or reconstruct finish line data and other geometrical corresponding to the obscured part. Trimmed v
A 3D virtual model of an intra oral cavity in which at least a part of a finish line of a preparation is obscured is manipulated in virtual space by means of a computer or the like to create, recreate or reconstruct finish line data and other geometrical corresponding to the obscured part. Trimmed virtual models, and trimmed physical models, can then be created utilizing data thus created. The virtual models and/or the physical models may be used in the design and manufacture of copings or of prostheses.
대표청구항▼
1. A method for manufacturing a physical dental model, the method comprising: receiving, at a computer, a virtual model of a dental site comprising dental surfaces, wherein a portion of the dental site is obscured by a material,manipulating, with the computer, the virtual model to create an auxiliar
1. A method for manufacturing a physical dental model, the method comprising: receiving, at a computer, a virtual model of a dental site comprising dental surfaces, wherein a portion of the dental site is obscured by a material,manipulating, with the computer, the virtual model to create an auxiliary virtual model that includes a virtual representation of the portion of the dental site in which the portion is not obscured by the material; andoutputting, by the computer, instructions to a manufacturing machine for creating a physical dental model of the dental site, wherein the physical dental model comprises a representation corresponding to the virtual representation of the portion of the dental site in which the portion is not obscured by the material. 2. A method according to claim 1, wherein the manipulating step comprises separating the virtual model into a first virtual model part representing a tooth preparation and a second virtual model part representing soft tissues proximate the tooth preparation of the first virtual model part. 3. A method according to claim 2, wherein the second virtual model part comprises an obscured portion of a finish line. 4. A method according to claim 2, wherein the manipulating step further comprises: creating a trimmed first model part comprising the first virtual model part and the second virtual model part; andremoving surface data from the second virtual model part to create a trimmed second model part,wherein the trimmed first model part includes a virtual model base and the trimmed second model part includes a model well substantially complementary to the virtual model base, and wherein the virtual model base comprises a perimeter corresponding to a finish line or demarcation line of the trimmed first model part. 5. A method according to claim 1, wherein the portion of the dental site obscured by the material comprises a finish line of a tooth preparation and an emerging tooth profile obscured with a gum, and wherein the representation of the portion corresponds to an extrapolated gum line, an extrapolated emerging tooth profile, and an extrapolated finish line. 6. A method according to claim 1, wherein the representation not obscured by the material corresponds to trimming of the material away from the dental site. 7. A method according to claim 1, wherein the dental site comprises a dental site of a patient, and wherein the dental site obscured by the material comprises a finish line of a tooth preparation and an emerging tooth profile obscured with a gum, and wherein the representation comprises a gum line having a shape corresponding to trimming of the gum, a representation of the emerging tooth profile and a representation of the finish line. 8. A method according to claim 1, wherein the representation of the portion not obscured by the material corresponds to extrapolated interpolated data of a finish line of a tooth preparation. 9. A method according to claim 1, wherein the representation of the portion not obscured by the material comprises a representation of a finish line not visible to an optical scanner. 10. A method according to claim 1, further comprising manufacturing the physical dental model with a computer controlled manufacturing machine according to the instructions. 11. A method according to claim 10, wherein the physical dental model further comprises: a first part comprising the representation and a base; anda second part comprising a well, the well substantially complementary to the base in order to receive the base. 12. A method according to claim 11, wherein the base comprises a perimeter corresponding to a finish line or demarcation line of the representation. 13. A method according to claim 10, wherein said manufacturing the physical dental model comprises carrying out a material removal operation on at least one material blank to create the physical dental model. 14. A method according to claim 13, wherein the material removal operation comprises CNC machining of at least one material blank. 15. A method according to claim 10, wherein said manufacturing the physical dental model comprises rapid prototyping.
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Kopelman, Avi; Taub, Eldad, Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created.
Kopelman, Avi; Taub, Eldad, Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created.
Kopelman, Avi; Taub, Eldad, Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created.
Kopelman, Avi; Taub, Eldad, Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created.
Kopelman, Avi; Taub, Eldad, Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created.
Kopelman, Avi; Taub, Eldad, Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created.
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