CN115179553A - Typesetting method and system for dental 3D printing and typesetting software - Google Patents
Typesetting method and system for dental 3D printing and typesetting software Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010146 3D printing Methods 0.000 title claims abstract description 20
- 238000007639 printing Methods 0.000 claims description 28
- 238000012217 deletion Methods 0.000 claims description 17
- 230000037430 deletion Effects 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000654 additive Substances 0.000 abstract description 4
- 230000000996 additive effect Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000110 selective laser sintering Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7532—Artificial members, protheses
- B29L2031/7536—Artificial teeth
Abstract
The invention provides a typesetting method and a typesetting system for dental 3D printing and typesetting software, which relate to the technical field of dental model additive manufacturing, wherein in practical application, the dental three-dimensional model is sliced downwards from a tooth occlusal surface according to a first preset height by acquiring height information of the dental three-dimensional model, and when the height of the dental three-dimensional model is integral multiple of the first preset height, no residual exists after slicing is finished, and the dental three-dimensional model is printed; when the height of the dental three-dimensional model is not integral multiple of the first preset height, the remaining slices which are less than the first preset height are deleted or automatically compensated; and after the slice is deleted or the automatic compensation of the slice is finished, the height of the dental three-dimensional model is integral multiple of the first preset height, and the dental three-dimensional model is printed. By adopting the technical scheme of the invention, the completeness of the model can be ensured, and the final complete reduction of the teeth can be ensured.
Description
Technical Field
The invention relates to the technical field of dental model additive manufacturing, in particular to a typesetting method and a typesetting system for dental 3D printing and typesetting software.
Background
3D printing, also known as Additive Manufacturing (AM), may refer to any process of printing three-dimensional objects. The printing process is first derived from a 3D model, which may be modeled by various types of 3D software, or scanned by a three-dimensional scanner. The resulting model is converted into a file format that can be read by slicing software, such as stl./obj. With the help of slicing software, the three-dimensional model is partitioned into layer-by-layer sections, i.e., slices, to direct the printer to print layer-by-layer. After the printer reads the slice file, a desired 3D model can be printed, 3D printing is an additive manufacturing technology, the model is cut into a series of thin slices with thickness by a computer on the basis of a digital model file, each layer of thin slices are manufactured by a 3D printing device from bottom to top, and finally, a three-dimensional entity is formed by superposition. The manufacturing technology does not need a traditional cutter or a mould, can realize the manufacture of a complex structure which is difficult or impossible to process by the traditional process, and can effectively simplify the production process and shorten the manufacturing period. Currently, the mainstream Three-Dimensional Printing technology includes Fused Deposition Modeling (FDM), stereo Lithography (SLA), selective Laser Sintering (SLS), three-Dimensional Printing (3 DP), digital Light Processing (DLP), and the like.
The existing typesetting software of the dental 3D printer is sliced approximately in a layer thickness of 0.05mm, and the residual default of less than 0.05mm after the slicing is finished is deleted, so that the final printing effect is influenced, and the completeness of a tooth model cannot be ensured.
Disclosure of Invention
In order to overcome the problems in the related technology at least to a certain extent, the application provides a typesetting method and a typesetting system for dental 3D printing and typesetting software, so as to solve the technical problems that after a dental model is sliced in the prior art, the remaining part which is not enough in slice thickness is deleted by default, the completeness of the dental model cannot be ensured, and the printing effect is influenced.
In order to achieve the purpose, the following technical scheme is adopted in the application:
in a first aspect,
the application provides a typesetting method of dental 3D printing and typesetting software, which comprises the following steps:
acquiring height information of a dental three-dimensional model, and slicing the dental three-dimensional model from a tooth occlusal surface downwards according to a first preset height;
when the height of the dental three-dimensional model is integral multiple of the first preset height, no residual exists after slicing is finished, and printing of the dental three-dimensional model is carried out;
when the height of the dental three-dimensional model is not integral multiple of the first preset height, the remaining slices which are less than the first preset height are deleted or automatically compensated;
and after the slice is deleted or the automatic compensation of the slice is completed, the height of the dental three-dimensional model is integral multiple of the first preset height, and the dental three-dimensional model is printed.
Further, the first preset height comprises any height within the range of 0.02mm-0.99 mm.
Further, the slice deletion or slice automatic compensation is carried out, and the selection is carried out by a user according to the dental three-dimensional model condition;
when the remaining slice height does not affect the model integrity by selecting deletion, the user selects to delete the slice;
when the remaining slice height and the selection deletion can influence the integrity of the model, the user selects to carry out slice automatic compensation.
Further, the slice deletion or slice automatic compensation is performed at the bottom of the dental three-dimensional model.
Further, still include:
acquiring data information and slice information of the dental three-dimensional model;
the data information includes: global coordinates and number of patches;
the slice information includes: consumable usage and expected print time.
Further, the data information specifically includes:
global coordinates: namely coordinates of an X axis, a Y axis and a Z axis, and measuring the position of the three-dimensional model in the printing layout and the actual size information of the three-dimensional model;
the number of the pieces: the number of triangular plates used in 3D modeling.
Further, the slice information specifically includes:
consumption of consumables: calculating the consumable amount required by printing according to the data and the slice information of the model;
predicted printing time: and calculating the time required for printing according to the data of the model and the slice information.
In a second aspect of the present invention,
the application provides a type setting system of dentistry 3D printing type setting software, its characterized in that includes:
the storage unit is used for storing height information, data information and slice information of the dental three-dimensional model;
the measuring unit is used for identifying the size of the dental three-dimensional model, a first preset height and the slice height to be compensated during automatic compensation;
and the printing unit is used for setting printing consumables and a printer according to the height, the data and the slicing information of the dental three-dimensional model and printing.
This application adopts above technical scheme, possesses following beneficial effect at least:
this application is in practical application, through measuring dentistry three-dimensional model, it is right according to first predetermined height dentistry three-dimensional model carries out the section from tooth occlusal surface downwards, when dentistry three-dimensional model's height is the integral multiple of first predetermined height, there is not the surplus after the section is accomplished, carry out dentistry three-dimensional model's printing, when dentistry three-dimensional model's height is not the integral multiple of first predetermined height, there is not the first high section of predetermineeing of surplus, carry out section deletion or section automatic compensation, section deletion or section automatic compensation accomplish the back, it is the integral multiple of first predetermined height to satisfy dentistry three-dimensional model's height, carry out dentistry three-dimensional model's printing, adopt the technical scheme of this application, can guarantee dentistry model's completeness, guarantee to print out complete dentistry model, complete reduction tooth.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow diagram illustrating a method for typesetting by dental 3D printing typesetting software according to an exemplary embodiment;
FIG. 2 is a schematic diagram of a typesetting system for dental 3D printing typesetting software according to an exemplary embodiment;
FIG. 3 is a schematic diagram of a 3D model shown in accordance with an exemplary embodiment;
FIG. 4 is a 3D model global coordinates software interface diagram shown in accordance with an exemplary embodiment;
FIG. 5 is a schematic diagram illustrating a 3D model deleted slice height in accordance with an exemplary embodiment;
FIG. 6 is a schematic diagram of a dental three-dimensional model according to an exemplary embodiment;
FIG. 7 is a schematic diagram illustrating a dental three-dimensional model software print setup according to an exemplary embodiment;
FIG. 8 is a dental three-dimensional model software interface schematic shown in accordance with an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a flowchart illustrating a typesetting method of dental 3D printing typesetting software according to an exemplary embodiment, where the typesetting method includes the following steps:
s1, acquiring height information of the dental three-dimensional model, and slicing the dental three-dimensional model from a tooth occlusal surface downwards according to a first preset height.
Specifically, after the three-dimensional model is imported into the typesetting software, the typesetting software performs data recognition on the three-dimensional model to obtain height information, then a user sets a first preset height according to the specific situation of the model, namely the slice height of the slice, and then the slice is sliced from top to bottom.
And S2, when the height of the dental three-dimensional model is integral multiple of the first preset height, no residual dental three-dimensional model is left after slicing is finished, and printing of the dental three-dimensional model is carried out.
Specifically, when the first preset height is an integral multiple of the height of the three-dimensional model, that is, the slicing is completed, and there is no remaining model, the three-dimensional model can be completely printed.
And S3, when the height of the dental three-dimensional model is not integral multiple of the first preset height, the remaining slices which are less than the first preset height are deleted or automatically compensated.
Specifically, when the set slice height is not an integral multiple of the three-dimensional model height, it means that the model has a remaining portion that is insufficient in slice height, and this portion needs to be deleted or slice-compensated so that the three-dimensional model height is an integral multiple of the slice height.
And S4, after the slice is deleted or the automatic slice compensation is completed, the requirement that the height of the dental three-dimensional model is integral multiple of the first preset height is met, and the dental three-dimensional model is printed.
Specifically, deletion or slice compensation is selected, the deletion or slice compensation is determined according to the three-dimensional model, and if the deletion of the rest part does not affect the integrity of the whole model, the deletion can be selected; if the influence is caused, slice compensation needs to be selected, and the integrity of the model is guaranteed.
By adopting the technical scheme, the slice can be deleted or compensated according to the specific shape of the three-dimensional model, and the completeness of the model can be ensured.
In one embodiment, the first preset height includes any one height within a range of 0.02mm to 0.99mm, and specifically includes:
in the existing slicing, a slice thickness of 0.05mm is generally selected, and in the present application, automatic slice compensation can be performed at a slice thickness of 0.02mm to 0.99 mm.
In one embodiment, the acquiring data information and slice information of the dental three-dimensional model includes:
the typesetting software acquires data information and slice information of the three-dimensional model, including global coordinates and size information of the three-dimensional model, the number of triangular patches used in modeling, whether the three-dimensional model is manifold or not according to the rule of the three-dimensional model, the consumption of printing consumables and the predicted printing time.
Referring to fig. 2, fig. 2 is a schematic diagram of a typesetting system of a dental 3D printing typesetting software according to an exemplary embodiment.
As shown in fig. 2, the typesetting system of the dental 3D printing and typesetting software includes:
the storage unit is used for storing height information, data information and slice information of the dental three-dimensional model;
the measuring unit is used for identifying the size of the dental three-dimensional model, a first preset height and the slice height to be compensated during automatic compensation;
and the printing unit is used for setting printing consumables and a printer according to the height, the data and the slicing information of the dental three-dimensional model and printing.
Referring to fig. 3, 4 and 5, fig. 3, 4 and 5 are schematic diagrams of a 3D model, global coordinates and a height of a deleted slice.
As shown in fig. 3, the 3D model is a circular truncated cone, the coordinate and dimension information displayed in the layout software is as shown in fig. 4, the X axis is the rightward direction from the origin of coordinates, the Y axis is the forward direction from the origin, the Z axis is the upward direction from the origin, the global coordinates are the positions occupied by the model in the coordinate axes, and the dimension coordinates are the actual dimensions of the model, as can be seen from fig. 4, the height of the 3D model is 50.02mm.
As shown in fig. 5, fig. 5 is a schematic diagram of the 3D model slice deletion height, in this embodiment, the slice height is set to 0.05mm, the 3D circular truncated cone model with a height of 50.02mm is sliced, and finally 0.02mm is left, and the remaining 0.02mm portion is selected to be deleted, and if slice compensation is selected, an adjacent layer image with a thickness of 0.03mm is automatically compensated at the bottom of the model.
Referring to fig. 6, 7 and 8, fig. 6, 7 and 8 are a schematic diagram of a dental three-dimensional model and a software interface.
As shown in fig. 6, fig. 6 is a schematic diagram of a dental three-dimensional model, the coordinates and slice information displayed in the layout software are as shown in fig. 8, it can be seen from fig. 8 that the dental model has dimensions of 53.96 × 69.58 × 25.30 (mm), the slice height is 0.05mm as shown in fig. 7, and the height of the three-dimensional model is an integral multiple of the slice height, so that no slice deletion or automatic slice compensation is required.
When the height of the dental three-dimensional model is not the integral multiple of the slice height, slice deletion or automatic slice compensation is performed on the dental three-dimensional model, so that the height of the dental three-dimensional model is the integral multiple of the slice height, the integrity of the model is ensured, and finally the tooth can be completely restored.
The specific manner in which the modules perform the operations in the above embodiments related to the typesetting system 300 of the dental 3D printing and typesetting software in the above related embodiments is described in detail in the above embodiments related to the method, and will not be described in detail here.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, the meaning of "plurality" means at least two unless otherwise specified.
It will be understood that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and further, as used herein, connected may include wirelessly connected; the term "and/or" is used to include any and all combinations of one or more of the associated listed items.
Any process or method descriptions in flow charts or otherwise described herein may be understood as: represents modules, segments or portions of code which include one or more executable instructions for implementing specific logical functions or steps of a process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (8)
1. A typesetting method of dental 3D printing typesetting software is characterized by comprising the following steps:
acquiring height information of a dental three-dimensional model, and slicing the dental three-dimensional model from a tooth occlusal surface downwards according to a first preset height;
when the height of the dental three-dimensional model is integral multiple of the first preset height, no residual exists after slicing is finished, and printing of the dental three-dimensional model is carried out;
when the height of the dental three-dimensional model is not integral multiple of the first preset height, the remaining slices which are less than the first preset height are deleted or automatically compensated;
and after the slice is deleted or the automatic compensation of the slice is completed, the height of the dental three-dimensional model is integral multiple of the first preset height, and the dental three-dimensional model is printed.
2. The method of claim 1, wherein the first predetermined height comprises any height in the range of 0.02mm to 0.99 mm.
3. The method of claim 2, wherein the slice deletion or slice automatic compensation is selected by a user based on a dental three-dimensional model;
when the remaining slice height does not affect the model integrity by selecting deletion, the user selects to delete the slice;
when the remaining slice height, the selection deletion will affect the model integrity, the user selects to perform slice auto-compensation.
4. The method of claim 3, wherein the slice deletion or slice automatic compensation is performed at the bottom of the dental three-dimensional model.
5. The method of claim 1, further comprising:
acquiring data information and slice information of a dental three-dimensional model;
the data information includes: global coordinates and number of patches;
the slice information includes: consumable usage and expected print time.
6. The method according to claim 5, wherein the data information is specifically:
global coordinates: namely coordinates of an X axis, a Y axis and a Z axis, and measuring the position of the three-dimensional model in the printing layout and the actual size information of the three-dimensional model;
the number of the pieces: the number of triangular plates used in 3D modeling.
7. The method according to claim 6, wherein the slice information is specifically:
consumption of consumables: calculating the consumable amount required by printing according to the data and the slice information of the model;
predicted printing time: and calculating the time required by printing according to the data of the model and the slice information.
8. A typesetting system of dental 3D printing and typesetting software is characterized by comprising:
the storage unit is used for storing height information, data information and slice information of the dental three-dimensional model;
the measuring unit is used for identifying the size of the dental three-dimensional model, a first preset height and the slice height to be compensated during automatic compensation;
and the printing unit is used for setting printing consumables and a printer according to the height, the data and the slice information of the dental three-dimensional model for printing.
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