JPWO2019034742A5 - - Google Patents

Claims (15)

A method of manufacturing the mouthpiece (8) by 3D printing a 3D printer readable file that encodes the mouthpiece ( 8) .
A step (101) of obtaining a scan file (4) containing physical data representing a user's teeth and gingival line (26) using three-dimensional (3D) scanner means.
The step (102) of removing the outlier data (5) from the physical data in the scan file (4) , and
A step of generating representative geometric data of the curvature of the user's tooth and gingival line from the physical data, and
A step of generating a virtual base model (7) representing the mouthpiece (8) from the physical data and the representative geometric data, wherein the virtual base model (7) is customizable. Steps with dimensions and
A step of removing the selected site (9) from the mouthpiece (8) represented by the virtual base model (7) , and
A step (103) of generating a 3D printer readable file encoding the mouthpiece (8) from the virtual base model (7) for printing by 3D printing means .
Including
The method is
A graphical user interface (20) including an adjustable slider (22) that can be operated to increase or decrease the height of the user's gingival line (24) represented in the scan file (4). Steps to operate and
Acts as an adjustable value slider (30) or value shifter to position a cutting line (32) for selectively removing the tooth and gingival line (26) sites within the scan file (4). A step of manipulating a possible graphical user interface (28) , wherein the value slider (30) or value shifter, when manipulated by the user, produces the mouthpiece (8) . A step showing a graphical representation of the excluded part,
Characterized by
Thus, the graphical user interface (28) , within the virtual base model (7) , from the mouthpiece (8) to the zonule, palate, superior gingival and / or inferior gingival. Also operational to selectively remove one or more portions of the sharp edges, where the graphical user interface (28) is prior to removal from the virtual base model (7) . And later provided a graphical representation of the site of the tooth and gingival line (26) .
The adjustable value slider (30) or value shifter provides the smoothness, wall thickness, scale, positioning, and desired dimensions of the mouthpiece (8) within the virtual base model (7) . A method that is further manipulated to make adjustments. The method of claim 1, wherein the representative geometry data is automatically generated according to a predetermined level of smoothness or is generated according to a level of smoothness selected by the operator. The method includes further steps of incorporating peripheral device attachment data into the virtual base model, the peripheral device attachment data attaching the peripheral device (12) to the mouthpiece when printed in 3D. The method according to claim 1 or 2, which represents a receiver or connecting means (14) for the purpose. The method of any one of claims 1 to 3 , comprising the step of tracking the position of all edges of the mouthpiece within the virtual base model and softening the edges. The method of any one of claims 1 to 4 , comprising printing the 3D printer readable file on a 3D printer to provide the mouthpiece (8) . The method of any one of claims 1-5 , comprising incorporating an internal device during or after 3D printing of the mouthpiece (8) . Includes the steps of generating data representing an internal device and creating a gap in the virtual base model that is placed in the internal device during or after 3D printing the mouthpiece. , The method according to any one of claims 1 to 6 . The method of any one of claims 1-7 , wherein the scan file (4) is generated using one or more photographs of the user's teeth and gingival line (26) . Rules for generating each mouthpiece (8) according to geometry data, positioning data, smoothing thickness, scale, desired dimensions, and data representing additional or removed parts of the mouthpiece. 1 . Or the method described in item 1. The X, Y, Z so that the teeth and gingival lines in the scan file (4) are consistently positioned with respect to the X, Y, Z coordinate system (42) and point in the correct direction. 1 _ _ _ The method described in the section. The method comprises manually aligning the teeth and gingival lines of the scan file (4) using a graphical user interface , where the teeth and gingival lines in the scan file (4) are aligned. (36) The three or more points (40) above are selected and aligned with the three or more preset points to correctly orient the teeth and gingival lines in the scan file (4) in the desired direction. The method according to any one of claims 1 to 10 , which is configured as described above. To avoid the interconnected pieces on the printed mouthpiece (8) , it produces a shape that fills the gap (44) between adjacent or missing teeth (46) or areas. The method according to any one of claims 1 to 11 , comprising the step of using geometry data in. Symbols on the surface of the mouthpiece, either by creating a notch in the virtual base model ( 7) or by applying a color-mapped texture to the virtual base model (7). The method of any one of claims 1-12 , comprising the step of adding lettering, numbers, images, or logos (62) . To facilitate fitting or removal of the printed mouthpiece (8) with or without the presence of orthodontic braces worn on the user's teeth, the machine in the virtual base model (7) . The method of any one of claims 1-13 , comprising the step of creating one or more relief cuts (66) and / or gaps (67) in the outer surface of the mouthpiece. A system (200) for manufacturing the mouthpiece (8) by 3D printing a 3D printer readable file that encodes the mouthpiece ( 8) .
Means (210) for obtaining a scan file (4) containing physical data representing a user's teeth and gingival line (26) using three-dimensional (3D) scanner means.
Means (220) for removing outlier data from the physical data in the scan file (4) , and
A means (230) for generating representative geometric shape data of the curvature of the user's tooth and gingival line (26) from the physical data, and
A means (240) for generating a virtual base model representing a mouthpiece from the physical data and the representative geometric data, the virtual base model having customizable dimensions. Means (240) and
Means (250) for removing selected parts from the mouthpiece represented by the virtual base model, and
A means for generating a 3D printer readable file that encodes the mouthpiece from the virtual base model , and a 3D printing means for printing the 3D printer readable file .
Is a system, including
The system is
A graphical user interface means (20) including an adjustable slider (22) that can be moved to increase or decrease the height of the user's gingival line represented in the scan file (4) .
Includes an adjustable value slider (30) or value shifter to position the cutting line (32) for selectively removing the tooth and gingival line (26) sites within the scan file (4). Graphical user interface means (28) , wherein the value slider (30) or value shifter is excluded when generating the mouthpiece (8) when manipulated by the user . A graphical user interface means (28) showing a graphical representation of the portion.
Including
Thus, the graphical user interface means (28) is within the virtual base model (7) from the mouthpiece to the zonule, palate, superior gingival and / or inferior gingival, and sharp. It is operational to selectively remove one or more portions of the edges , where the graphical user interface means (28) is prior to removal from the virtual base model (7) . And later provided a graphical representation of the site of the tooth and gingival line (26) .
The adjustable value slider (30) or value shifter provides the smoothness, wall thickness, scale, positioning, and desired dimensions of the mouthpiece (8) within the virtual base model (7) . A system characterized by being further configured for coordination.