CN216417368U - Dental model 3D modeling device and system - Google Patents
Dental model 3D modeling device and system Download PDFInfo
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- CN216417368U CN216417368U CN202122406658.0U CN202122406658U CN216417368U CN 216417368 U CN216417368 U CN 216417368U CN 202122406658 U CN202122406658 U CN 202122406658U CN 216417368 U CN216417368 U CN 216417368U
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Abstract
The utility model discloses a dental model 3D modeling device and system, include: the dental model still includes: the power assembly is provided with a rotating platform; a rotating assembly disposed on the rotating table; the supporting component is arranged on the rotating component and connected with the rotating component, and the dental cast is arranged on the supporting component; and the shooting assembly is arranged above the supporting assembly and is used for shooting the dental cast. The method solves the problems of irreparable error repair in the dental cast correction process, inaccurate and efficient dental cast correction and high work difficulty of correcting the dental cast in the prior art.
Description
Technical Field
The utility model relates to an oral cavity digital technology field especially relates to a dental model 3D modeling device and system.
Background
In the existing technology of repairing and filling teeth, a patient is generally required to bite a silica gel tooth paste to completely leave a hole of a tooth model, then a model of the tooth is obtained through enclosing and filling the gel, two tooth models are required to be manufactured, one tooth model is used as a reference tooth model, and the other tooth model is used as a correction tooth model.
After obtaining the modified tooth model, the modified tooth model needs to be finely modified so as to obtain the correct tooth form required by tooth modification and tooth filling; in the process, in order to confirm whether the correction is correct, the reference dental model is required to be continuously referred, and the film-repairing cutter is required to be used for continuously cutting and filling the correction dental model; if irreparable error repair occurs in the process of correction, the corrected dental model needs to be manufactured again, so that the correction of the dental model is quite complicated and delicate work, and how to realize accurate and efficient correction of the dental model and reduce the difficulty of the work of correcting the dental model become problems to be solved urgently at present.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art not enough, the utility model aims at providing a dental model 3D modeling device and system, aim at solving the problem that the inevitable error repair that appears of prior art in the dental model revises the in-process and brings to and the dental model revises accurate high efficiency inadequately, and revises the great problem of the dental model work degree of difficulty.
The technical scheme of the utility model as follows:
a dental model 3D modeling apparatus comprising: the dental model still includes:
the power assembly is provided with a rotating table;
a rotation assembly disposed on the rotation stage;
the supporting component is arranged on the rotating component and connected with the rotating component, and the dental cast is arranged on the supporting component;
and the shooting assembly is arranged above the supporting assembly and is used for shooting the dental cast.
Further, the rotating assembly includes:
the turntable is arranged on the rotating platform, the supporting component is arranged on the turntable, and the turntable drives the supporting component to rotate through the driving of the power component;
and the rotary encoder is arranged on the turntable and is used for acquiring the rotating angle of the turntable in real time.
Further, the support assembly includes:
the wedge block is arranged on the turntable;
the dental cast fixing plate is arranged on the wedge-shaped block and faces the shooting assembly, a plurality of mark points are arranged on the dental cast fixing plate, and the mark points are used as reference points when the shooting assembly shoots; the dental cast is fixed on the dental cast fixing plate;
the plurality of mark points are positioned at one end of the arc surface of the dental cast and are respectively arranged at two sides of the dental cast along the length direction of the dental cast fixing plate.
Further, the photographing assembly includes:
a motion mechanism;
the 3D camera faces the direction of the supporting component and is connected to the moving mechanism, after the 3D camera adjusts the shooting angle according to the position of the dental cast, the position of the 3D camera is fixed, and the 3D camera does not move along with the moving mechanism in the shooting process.
A dental model 3D modeling system applying the dental model 3D modeling apparatus as described above, the system comprising:
the dental model fixing module is used for fixing a dental model of 3D data to be measured on a dental model fixing plate and ensuring that the dental model cannot shield mark points on the dental model fixing plate;
the dental cast rotating module is used for fixing the dental cast fixing plate on which the dental cast is fixed on a wedge block and placing the wedge block on a turntable;
the rotating angle acquisition module is used for starting the turntable and acquiring the rotating angle of the turntable in real time;
the image shooting module is used for triggering the 3D camera to shoot the rotating dental model at intervals when the turntable rotates to reach a series of fixed angles;
and the data splicing module is used for splicing the shooting data acquired by the 3D camera at different rotation angles to obtain a 3D model of the whole dental model.
Further, the dental cast fixing module specifically comprises: and the wedge block type selection submodule is used for selecting different dental cast fixing plates and placing the dental cast fixing plates on the wedge blocks with different slope angles.
Further, the rotation angle obtaining module specifically includes: the rotary encoder submodule is used for arranging the rotary encoder on the rotary disc, and the rotary encoder acquires the rotation angle of the rotary disc in real time.
Further, the data splicing module specifically includes: the image acquisition sub-module is used for acquiring shooting data of each rotation angle, wherein the shooting data are 3D point cloud data.
Further, the data splicing module further comprises:
and the image splicing submodule is used for sequentially splicing the 3D point cloud data shot at each moment to obtain the 3D data of the whole dental model.
Further, still include:
the 3D model acquisition modules are used for driving the 3D camera to carry out shooting angle and position conversion by adjusting the slope angle of the wedge block or changing the position of the movement mechanism so as to acquire the 3D model of the dental model shot in multiple angles;
and the 3D model fusion modules align the 3D models of the dental casts according to the mark points on each 3D model, fuse the 3D models of the dental casts together, and acquire complete 3D data of the dental casts.
Compared with the prior art, the utility model discloses a set up the revolving stage on the power component, and will rotating assembly sets up on the revolving stage, will supporting component sets up rotating assembly is last, and connect in rotating assembly sets up on the supporting component tooth mould, and will the shooting subassembly sets up supporting component's top is used for shooting tooth mould for form the correction tooth mould of complete 3D data, avoided the operational environment that tooth mould was revised, alleviateed the revision work degree of difficulty, can also be at any time effectual with original tooth mould contrast and data analysis, it is more convenient to handle the 3D data of revising the tooth mould, realizes more accurate, the efficient film repair. In addition, the data of the original dental model and the corrected dental model can be stored in a digital mode, and medical record files of patients can be stored, and medical examination after tooth repair and filling can be facilitated. The problems that in the prior art, irreparable error repair is inevitably caused in the dental cast correction process, the dental cast correction is not accurate and efficient enough, and the work difficulty of correcting the dental cast is high are well solved.
Drawings
Fig. 1 is a schematic structural diagram of a dental model 3D modeling apparatus according to an embodiment of the dental model 3D modeling apparatus and system of the present invention;
fig. 2 is a non-time scale plot diagram of an embodiment of the dental cast 3D modeling apparatus and system of the present invention;
FIGS. 3-5 are schematic diagrams of multi-angle photographing for embodiments of a dental model 3D modeling apparatus and system of the present invention;
FIG. 6 is a flow chart of a system according to an embodiment of the present invention for a dental cast 3D modeling apparatus and system;
the reference numbers in the figures: 100. a dental cast; 300. a rotating assembly; 400. a support assembly; 500. a shooting component; 310. a turntable; 410. a wedge block; 420. a dental model fixing plate; 430. marking points; 510. A motion mechanism; 520. a 3D camera; 600. marking lines; 610. a first reticle; 620. and a second reticle.
Detailed Description
The utility model provides a dental model 3D modeling device and system, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the drawing and lifts the example the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be further noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed in a specific direction, and operate, and therefore, the terms describing the positional relationships in the drawings are used only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the existing technology of repairing and filling teeth, a patient is generally required to bite a silica gel tooth paste to completely leave a hole of a tooth model, then a model of the tooth is obtained through enclosing and filling the gel, two tooth models are required to be manufactured, one tooth model is used as a reference tooth model, and the other tooth model is used as a correction tooth model. After obtaining the modified tooth model, the modified tooth model needs to be finely modified so as to obtain the correct tooth form required by tooth modification and tooth filling; in the process, in order to confirm whether the correction is correct, the reference dental model is required to be continuously referred, and the film-repairing cutter is required to be used for continuously cutting and filling the correction dental model; if irreparable error repair occurs in the process of correction, the corrected dental model needs to be manufactured again, so that the correction of the dental model is quite complicated and delicate work, and how to realize accurate and efficient correction of the dental model and reduce the difficulty of the work of correcting the dental model become problems to be solved urgently at present. In order to overcome the above problems, the present invention provides the following embodiments.
The first embodiment is as follows:
as shown in fig. 1, an embodiment of the present invention provides a dental model 3D modeling apparatus, including: a dental model 100, the dental model 3D modeling apparatus comprising: a power assembly, a rotation assembly 300, a support assembly 400 and a camera assembly 500. The power assembly is provided with a rotating platform, the rotating assembly 300 is arranged on the rotating platform, the supporting assembly 400 is arranged on the rotating assembly 300 and connected to the rotating assembly 300, the dental cast 100 is arranged on the supporting assembly 400, and the shooting assembly 500 is arranged above the supporting assembly 400 and used for shooting the dental cast 100. Through the arrangement, the rotating component 300 drives the supporting component 400 to rotate the dental cast 100, the shooting component 500 takes pictures ceaselessly at certain time intervals, and finally all the taken pictures are spliced into the correction dental cast with complete 3D data, and the related cutting and filling work of the correction dental cast can be realized in 3D modeling and processing tools such as CAD (computer-aided design), so that the working environment for correcting the dental cast is greatly reduced, the difficulty of the correction work is reduced, the correction work can be effectively compared with the original dental cast and analyzed, and more accurate and efficient film correction is realized.
In the above scheme, by arranging the rotating table on the power assembly, arranging the rotating assembly 300 on the rotating table, arranging the supporting assembly 400 on the rotating assembly 300 and connecting to the rotating assembly 300, arranging the dental cast 100 on the supporting assembly 400, and arranging the shooting assembly 500 above the supporting assembly 400 for shooting the dental cast 100, the complete 3D data of the corrected dental cast 100 is formed, the working environment for correcting the dental cast is avoided, the difficulty of correction work is reduced, comparison with the original dental cast and data analysis can be effectively performed at any time, the 3D data of the corrected dental cast can be processed more conveniently, and more accurate and efficient film correction can be realized. In addition, the data of the original dental model and the corrected dental model can be stored in a digital mode, and medical record files of patients can be stored, and medical examination after tooth repair and filling can be facilitated. The problems that in the prior art, irreparable error repair is inevitably caused in the dental cast correction process, the dental cast correction is not accurate and efficient enough, and the work difficulty of correcting the dental cast is high are well solved.
Example two:
on the basis of the first embodiment, as shown in fig. 1, in a specific embodiment of the present invention, the rotating assembly 300 includes: a turntable 310 and a rotary encoder. The carousel 310 sets up on the revolving stage, supporting component sets up on the carousel, carousel 310 passes through power component's drive and drive supporting component 400 is rotatory, just carousel 310 is high accuracy carousel 310, be provided with high accuracy rotary encoder on the carousel 310, rotary encoder can be used to acquire in real time the rotation angle of carousel 310. Through the arrangement, the rotary disc 310 continuously rotates to obtain the photos of the dental cast 100 at different angles, so that the photos of the dental cast 100 at different angles can be shot, and point cloud loss caused by fine shielding is effectively avoided; and a high-precision rotary encoder is arranged to acquire the rotating angle of the turntable 310 in real time, so that each photo can be corresponding to the corresponding angle, the data of the 3D dental model 100 can be accurately restored, and the accurate film repairing is ensured.
As shown in fig. 1, in a specific embodiment of the present invention, the supporting assembly 400 includes: a wedge block 410 and a cast fixing plate 420. The wedge block 410 is arranged on the turntable 310 and is fixedly connected to the turntable 310, the dental cast fixing plate 420 is arranged on the wedge block 410 and is arranged towards the direction of the shooting assembly 500, a plurality of mark points 430 are arranged on the dental cast fixing plate 420, the mark points 430 are used as reference points when the shooting assembly 500 shoots, and the dental cast is fixed on the dental cast fixing plate. It should be noted that the wedge is used for placing the dental cast slope on the one hand, and on the other hand is used for bed hedgehopping the dental cast all is for making the dental cast with the maximum angle orientation shoot the subassembly, scan out the clearest dental cast image, wedge 410 can set up different domatic angles, can do so dental cast fixed plate 420 provides the multiple angle of putting, and 3D data acquisition staff can freely adjust according to actual needs to obtain the best dental cast 3D data, wedge 410 can also realize the utility model discloses dental cast 100's multi-angle is shot. Specifically, at least two mark points 430 are provided, and the mark points 430 are located at one end of the arc surface of the dental cast 100 and are respectively disposed at two sides of the dental cast 100 along the length direction of the dental cast fixing plate 420. It is easy to think that the plurality of marking points 430 may be set to four in order to more precisely mark the specific position of the dental cast. By using the mark points 430 on the dental model fixing plate 420, automatic multi-angle dental model 100 data alignment registration can be realized, more angles and more detailed 3D data acquisition of the dental model can be effectively supported, whether point cloud data are scanned sufficiently can be observed at any time, and the angle is changed to realize targeted shooting and point cloud supplement, so that complete and accurate grinding 3D data can be constructed.
As shown in fig. 1, in a specific embodiment of the present invention, the shooting assembly 500 includes: a motion mechanism 510 and a 3D camera 520. The 3D camera 520 is disposed toward the dental cast fixing plate 420 and connected to the moving mechanism 510, and after the 3D camera 520 adjusts the photographing angle according to the position of the dental cast, the 3D camera 520 is fixed and does not move along with the moving mechanism 510 during photographing. Specifically, the 3D camera 520 is a line laser 3D camera 520, the line laser 3D camera 520 can only acquire 3D data on a line at a time, and compare a planar 3D data that ordinary 3D camera 520 can once gather, obtain the 3D data that do not shelter from more easily through adjusting the visual angle, make things convenient for the dental model 100 of semicircle distribution state, can effectively avoid the point cloud that tiny shelters from and cause to lose, obtain the best shooting visual angle. Motion 510 is high accuracy motion 510, in order to obtain complete accurate dental model 3D, the utility model discloses still through the angle of putting of transform dental model 100, or through motion 510's position transform line laser 3D camera 520 shoots the angle, obtains the dental model 3D data that different visual angles were shot, then realizes through the concatenation that complete dental model 3D data acquirees, for the 3D digitization of dental model 100 provides feasible, excellent method, can provide the support for false tooth correction based on the digitization, the modeling, production.
Example three:
on the basis of the first and second embodiments, as shown in fig. 6, the utility model also provides a dental model 3D modeling system, the dental model 3D modeling system includes: the dental cast fixing module, the dental cast rotating module, the rotating angle acquiring module, the image shooting module and the data splicing module. The dental model fixing module is used for fixing a dental model of 3D data to be measured on the dental model fixing plate and ensuring that the dental model cannot shield the mark points on the dental model fixing plate. The dental cast rotating module is used for fixing the dental cast fixing plate fixed with the dental cast on the wedge block and placing the wedge block on the turntable. The rotation angle acquisition module is used for starting the turntable and acquiring the rotation angle of the turntable in real time. When the rotary disc rotates to reach a series of fixed angles, the image shooting module is used for triggering the 3D camera to shoot the rotating dental model at intervals. The data splicing module is used for splicing shooting data acquired by the 3D camera at different rotation angles to obtain a 3D model of the whole dental model. Through the setting, can turn into digital 3D data with dental model data, realize carrying out virtual repair and packing to the dental model in 3D drawing instrument for can utilize 3D printing technique to realize the quick preparation of denture, provide one set of feasible, excellent dental model 3D modeling system, provide for artificial tooth correction based on digitization, model building, production to and postoperative diagnosis and follow-up provide the support.
In a specific embodiment of the present invention, the module for fixing a dental cast specifically includes: and the wedge block type selection submodule is used for selecting different dental cast fixing plates and placing the dental cast fixing plates on the wedge blocks with different slope angles. The wedge block type selection submodule selects the wedge blocks with different slope angles to be matched with the movement mechanism with precision, so that the dental cast can be shot at multiple angles, pictures of all angles of the dental cast can be shot more accurately, and finally the complete and accurate 3D model of the dental cast is spliced.
The utility model discloses in the specific embodiment, rotation angle acquisition module specifically includes: the rotary encoder submodule is used for arranging the rotary encoder on the rotary disc, and the rotary encoder acquires the rotation angle of the rotary disc in real time. The rotary encoder submodule can continuously trigger the 3D camera to shoot the rotating dental model according to a certain rotating angle and rotating frequency when the rotary disc rotates and the rotary encoder outputs the rotary disc rotating angle in real time.
The utility model discloses in the specific embodiment, the data concatenation module specifically includes: the image acquisition sub-module and the image splicing sub-module. The image acquisition submodule is used for acquiring the shooting data of each rotation angle, wherein the shooting data are 3D point cloud data. And the image splicing submodule is used for sequentially splicing the 3D point cloud data shot at each moment to obtain the 3D data of the whole dental model. The image acquisition sub-module acquires data shot at each set shooting time, wherein the shot data are 3D point cloud data, the 3D point cloud data are a set of vectors in a three-dimensional coordinate system and are generally recorded in a point form, and each point comprises a three-dimensional coordinate. The image splicing submodule is used for acquiring the 3D point clouds at the first moment and the second moment, splicing the 3D point clouds at the first moment and the second moment together, continuously splicing the point clouds at all the moments, and obtaining the 3D data of the whole dental cast. Specifically, as shown in the left drawing of fig. 2, the 3D camera obtains the 3D point cloud marked by the first reticle 610 at the first time, the dental cast rotates under the action of the turntable, as shown in the right drawing of fig. 2, the 3D point cloud marked by the second reticle 620 is obtained by shooting at the second time after the rotation, the 3D point cloud marked by the first reticle 610 at the first time in fig. 2 is determined by the rotation of the turntable, which is converted into the rotation axial direction of the turntable and the rotation angle, the rotation axial direction of the turntable can be selected according to the needs of the system, and the rotation angle is obtained by the rotary encoder, so that the cloud conversion position of the first time point can be obtained under the condition that the two parameters of the rotation axial direction of the turntable and the rotation angle are known; and then splicing with the point cloud obtained at the second moment, continuously shooting, and finally continuously splicing to obtain the scanning of the whole dental model.
Further, when the 3D camera is triggered to shoot once by rotating 0.1 degree and the dental model occupies a rotation sector angle of 120 degrees, 1200 shots of different positions can be conducted on the dental model. Specifically, the image shooting module requires that each shooting angle is exactly located at the center of the inner arc of the molar when shooting, so that high-precision 3D data of the dental cast can be obtained, the shielding of the 3D camera by the three-dimensional structure of the dental cast per se is considered, and at least the inner side and the outer side of the dental cast are required to be respectively shot, so that the shielded 3D data of the outer side of the dental cast are obtained, and the 3D data of the dental cast are more complete.
In a specific embodiment of the present invention, the dental cast 3D modeling system further comprises: the device comprises a plurality of 3D model acquisition modules and a plurality of 3D model fusion modules. The plurality of 3D model acquisition modules are used for adjusting the slope angle of the wedge block or changing the position of the movement mechanism to drive the 3D camera to shoot angles and position change, and acquiring the 3D model of the dental model shot at multiple angles. And the 3D model fusion modules align the 3D models of the dental casts according to the mark points on each 3D model, fuse the 3D models of the dental casts together, and acquire complete 3D data of the dental casts. Specifically, through selecting different slope angles the wedge or through the adjustment of 3D camera motion, can realize right the multi-angle of the relative camera position of dental cast is shot to establish the 3D model of a plurality of dental casts, because every 3D model all contains the mark point that sets up on the dental cast fixed plate, consequently can be according to mark point pair 3D data carries out a plurality of 3D model alignments, thereby fuses a plurality of 3D models together, consequently through selecting suitable the wedge and adjusting the motion transform 3D camera visual angle, can obtain complete dental cast 3D data.
Specifically, multi-angle shooting is an effective mode for processing occlusion, a line laser camera has good flexibility, and can effectively process the problem of multi-angle shooting, as shown in fig. 3, under the condition that normal shooting is not occluded, only 3D data on one line is obtained in each shooting, the best visual angle is obtained for each line by effectively adjusting the relative position of the camera and the dental model, the clearest 3D data is obtained, then the dental model can keep a good visual angle in the rotating process relative to the camera by rotating, and when the angle interval of the rotating shooting is small enough, only high-precision 3D data on one side of the dental model can be obtained; as shown in fig. 4, when photographed from the inside of the dental cast, the outside of the dental cast is not visible due to occlusion, and complete 3D data cannot be obtained; as shown in fig. 5, the camera position is adjusted, the inclination angle of the wedge block is adjusted, and the inclination angle of the dental cast is adjusted, so that the outer side of the dental cast can be shot, and the inner side of the dental cast is invisible, and complete 3D data cannot be obtained. Therefore, multi-angle photographing is required. And carrying out a plurality of 3D model alignments on the 3D data according to the mark points, and fusing into a complete 3D model.
To sum up, the utility model discloses a set up the revolving stage on the power component, and will rotating assembly sets up on the revolving stage, will supporting component sets up rotating assembly is last, and connect in rotating assembly sets up on the supporting component tooth mould, and will the shooting subassembly sets up supporting component's top is used for shooting the tooth mould for form the correction tooth mould of complete 3D data, avoided the operational environment that the tooth mould was revised, alleviateed the revision work degree of difficulty, can also be at any time effectual with original tooth mould contrast and data analysis, it is more convenient to handle the 3D data of revising the tooth mould, realizes more accurate, the efficient repaiies the membrane. In addition, the data of the original dental model and the corrected dental model can be stored in a digital mode, and medical record files of patients can be stored, and medical examination after tooth repair and filling can be facilitated. The problems that in the prior art, irreparable error repair is inevitably caused in the dental cast correction process, the dental cast correction is not accurate and efficient enough, and the work difficulty of correcting the dental cast is high are well solved.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (8)
1. A dental model 3D modeling apparatus comprising: the dental cast, its characterized in that still includes:
the power assembly is provided with a rotating table;
a rotation assembly disposed on the rotation stage;
the supporting component is arranged on the rotating component and connected with the rotating component, and the dental cast is arranged on the supporting component;
the shooting assembly is arranged above the supporting assembly and is used for shooting the dental cast;
the support assembly includes:
the wedge block is arranged on the rotating assembly;
the dental cast fixing plate is arranged on the wedge-shaped block and faces the shooting assembly, a plurality of mark points are arranged on the dental cast fixing plate, and the mark points are used as reference points when the shooting assembly shoots; the dental cast is fixed on the dental cast fixing plate.
2. The dental model 3D modeling apparatus of claim 1, wherein the rotating assembly comprises:
the turntable is arranged on the rotating platform, the supporting component is arranged on the turntable, and the turntable drives the supporting component to rotate through the driving of the power component;
and the rotary encoder is arranged on the turntable and is used for acquiring the rotating angle of the turntable in real time.
3. The dental model 3D modeling apparatus of claim 2,
the plurality of mark points are positioned at one end of the arc surface of the dental cast and are respectively arranged at two sides of the dental cast along the length direction of the dental cast fixing plate.
4. The dental model 3D modeling apparatus of claim 2, wherein the camera assembly comprises:
a motion mechanism;
the 3D camera faces the direction of the supporting component and is connected to the moving mechanism, and after the 3D camera adjusts the shooting angle according to the position of the dental cast, the 3D camera is fixed in position and does not move along with the moving mechanism in the shooting process.
5. A dental model 3D modeling system, characterized in that the dental model 3D modeling apparatus according to claim 3 or 4 is applied, the system comprising:
the dental model fixing module is used for fixing a dental model of 3D data to be measured on a dental model fixing plate and ensuring that the dental model cannot shield mark points on the dental model fixing plate;
the dental cast rotating module is used for fixing the dental cast fixing plate fixed with the dental cast on a wedge-shaped block and placing the wedge-shaped block on a turntable;
the rotating angle acquisition module is used for starting the turntable and acquiring the rotating angle of the turntable in real time;
the image shooting module is used for triggering the 3D camera to shoot the rotating dental model at intervals when the turntable rotates to reach a series of fixed angles;
and the data splicing module is used for splicing the shooting data acquired by the 3D camera at different rotation angles to obtain a 3D model of the whole dental model.
6. The dental cast 3D modeling system according to claim 5, wherein the dental cast fixing module specifically comprises: and the wedge block type selection submodule is used for selecting different dental cast fixing plates and placing the dental cast fixing plates on the wedge blocks with different slope angles.
7. The dental model 3D modeling system according to claim 5, wherein the rotation angle acquisition module specifically comprises: the rotary encoder submodule is used for arranging the rotary encoder on the rotary disc, and the rotary encoder acquires the rotation angle of the rotary disc in real time.
8. The dental model 3D modeling system of claim 5, further comprising:
the 3D model acquisition modules are used for driving the 3D camera to carry out shooting angle and position conversion by adjusting the slope angle of the wedge block or changing the position of the movement mechanism so as to acquire the 3D model of the dental model shot in multiple angles;
and the 3D model fusion modules align the 3D models of the dental casts according to the mark points on each 3D model, fuse the 3D models of the dental casts together, and acquire complete 3D data of the dental casts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406658.0U CN216417368U (en) | 2021-09-30 | 2021-09-30 | Dental model 3D modeling device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406658.0U CN216417368U (en) | 2021-09-30 | 2021-09-30 | Dental model 3D modeling device and system |
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| CN216417368U true CN216417368U (en) | 2022-05-03 |
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