阅读说明：本技术 个性化种植基台的数字化三维建造与制造方法 (Digital three-dimensional construction and manufacturing method of personalized planting base station ) 是由 牛东平 赵创 于 2020-05-20 设计创作，主要内容包括：本发明涉及人工植牙技术领域,公开了一种个性化种植基台的数字化三维建造与制造方法,包括以下步骤：S100通过戴入种植体的替代体来调整种植接口；S200根据调整后种植接口设计扫描杆三维图,以扫描杆三维图导出虚拟扫描杆数据；S300采用牙科扫描仪扫描种植扫描杆实物模型获得实际扫描杆数据,用虚拟扫描杆数据与实际扫描杆数据进行拟合,获得种植体的位置和接口数据；S400根据牙龈数据和咬合关系数据,结合种植体的位置和接口数据设计基台的个性化图,以基台的个性化图生成个性化种植基台的数据；S500对个性化种植基台的数据进行编程运算,使用编程运算控制机床进行加工,加工完成后获得个性化种植基台。本发明可以实现种植基台的个性化。(The invention relates to the technical field of artificial tooth implantation, and discloses a digital three-dimensional construction and manufacturing method of a personalized implant abutment, which comprises the following steps: s100, adjusting an implant interface by wearing a substitute of an implant; s200, designing a scanning rod three-dimensional graph according to the adjusted planting interface, and exporting virtual scanning rod data by using the scanning rod three-dimensional graph; s300, scanning the planting scanning rod physical model by using a dental scanner to obtain actual scanning rod data, and fitting the virtual scanning rod data and the actual scanning rod data to obtain the position and interface data of the implant; s400, designing a personalized graph of the base station according to the gum data and the occlusion relation data by combining the position of the implant and the interface data, and generating data of the personalized implant base station by using the personalized graph of the base station; s500, performing programming operation on the data of the personalized planting base station, controlling the machine tool to perform machining by using the programming operation, and obtaining the personalized planting base station after the machining is completed. The invention can realize the individuation of the planting base station.)

1. A digital three-dimensional building and manufacturing method of a personalized planting base station is characterized by comprising the following steps:

s100, adjusting an implant interface by wearing a substitute of an implant;

s200, designing a scanning rod three-dimensional graph according to the adjusted planting interface, and exporting virtual scanning rod data by using the scanning rod three-dimensional graph;

s300, scanning the planting scanning rod physical model by using a dental scanner to obtain actual scanning rod data, and fitting the virtual scanning rod data and the actual scanning rod data to obtain the position and interface data of the implant;

s400, designing a personalized graph of the base station according to the gum data and the occlusion relation data by combining the position of the implant and the interface data, and generating data of the personalized implant base station by using the personalized graph of the base station;

s500, performing programming operation on the data of the personalized planting base station, controlling the machine tool to perform machining by using the programming operation, and obtaining the personalized planting base station after the machining is completed.

2. The method for digitally building and manufacturing the personalized implant abutment according to claim 1, wherein in step S100, the implant interface is manufactured by: firstly, drawing a planting interface graph according to the size of a planting interface of a measured finished product base station, creating STL data of the planting interface according to the planting interface graph, and processing and manufacturing the planting interface according to the STL data.

3. The method of claim 2, wherein the implant interface dimensions of the finished abutment are measured using a software measurement tool.

4. The digital three-dimensional construction and manufacturing method of the personalized implant abutment according to claim 1, wherein in the step S100, the substitute body of the implant is manufactured by 3D printing, and the steps are as follows:

acquiring oral cavity scanning data by adopting laser three-dimensional scanning through a dental scanner, acquiring oral cavity CT data through CT detection, and constructing a three-dimensional digital model of the implant by combining the oral cavity scanning data and the oral cavity CT data;

the method is characterized in that a three-dimensional digital model of an implant is used as a basis, powdery metal bondable material is adopted, and a substitute of the implant is manufactured and obtained in a layer-by-layer printing mode.

5. The method for digitally building and manufacturing the personalized implant abutment according to claim 1, wherein in the step S200, the scan bar three-dimensional figure is designed as follows:

carrying out three-dimensional scanning imaging on the adjusted planting interface under an objective lens of a microscope, converting each two-dimensional structural image into a gray image matrix, and then carrying out amplitude normalization processing on the gray image matrix to form a normalized image matrix; multiplying a preset phase difference weight by each normalized image matrix to obtain a phase difference distribution matrix, and forming a planting interface image model by using all the phase difference distribution matrices;

and inspecting the planting interface image model, repairing the existing defects, performing relation conversion on the planting interface image model to obtain a scanning rod preliminary model, performing surface treatment on the scanning rod preliminary model, and completing to obtain a scanning rod three-dimensional image.

6. The method of claim 1, wherein the virtual scan bar data is stored in a database of the implant station in step S200, and is retrieved from the database of the implant station in step S300.

7. The digital three-dimensional construction and manufacturing method of the personalized implant abutment as claimed in claim 1, wherein in the S400 step, the gum data is obtained by scanning implant gums, and the occlusal relationship data is obtained by scanning upper and lower tooth models.

8. The digital three-dimensional construction and manufacturing method of the personalized implant abutment as claimed in claim 7, wherein in the step S400, the pair jaw teeth data is obtained by scanning the pair jaw teeth, and the remaining teeth data is obtained by scanning the implant work model; and finishing the personalized graph of the abutment according to the data of the jaw teeth and the data of the remaining teeth.

9. The method for digital three-dimensional construction and manufacturing of a personalized implant abutment according to claim 1, wherein in step S400, a personalized figure of the abutment is designed using dental implant design software.

10. The method for digitally three-dimensionally constructing and manufacturing a personalized implant abutment according to claim 1, wherein in step S500, the CAM software is used for programming operation, and titanium columns are used for processing the personalized implant abutment.

Technical Field

The invention relates to the technical field of artificial tooth implantation, in particular to a digital three-dimensional construction and manufacturing method of a personalized implant abutment.

Background

The implant is one artificial implant, which is one implant set inside alveolar bone, and after the implant and alveolar bone are healed, one abutment is made on the implant as the connecting part between the implant and crown and the crown is made on the abutment. Namely, the implant, the abutment and the dental crown are arranged from bottom to top in sequence, the implant is sometimes called as the implant, the dental crown is also called as the artificial tooth, and the process from bottom to top and from inside to outside is called as implantation. The dental implant is called the third human tooth because it is very strong and durable, and also very beautiful and lifelike. The implant can restore the chewing function of human and restore the beauty.

The finished abutment for implantation provided by the implant manufacturer has the advantages that although the finished abutment for implantation has the straight abutment and the angle abutment with different heights, the finished abutment cannot be completely suitable for the individual requirements of a specific patient due to the limitation of conditions in clinical cases under many conditions, for example, the finished abutment cannot be completely matched with the gum contour of the patient, the deflection angles of the implant are different, the angle of the upper portion of the abutment also has the best angle requirement, and the gum penetrating portion and the upper portion of the finished abutment provided by the implant manufacturer cannot completely meet the clinical requirements of the specific patient.

Disclosure of Invention

In order to solve the technical problem, the invention provides a digital three-dimensional construction and manufacturing method of a personalized planting base station, which comprises the following steps:

s100, adjusting an implant interface by wearing a substitute of an implant;

s200, designing a scanning rod three-dimensional graph according to the adjusted planting interface, and exporting virtual scanning rod data by using the scanning rod three-dimensional graph;

s300, scanning the planting scanning rod physical model by using a dental scanner to obtain actual scanning rod data, and fitting the virtual scanning rod data and the actual scanning rod data to obtain the position and interface data of the implant;

s400, designing a personalized graph of the base station according to the gum data and the occlusion relation data by combining the position of the implant and the interface data, and generating data of the personalized implant base station by using the personalized graph of the base station;

s500, performing programming operation on the data of the personalized planting base station, controlling the machine tool to perform machining by using the programming operation, and obtaining the personalized planting base station after the machining is completed.

Optionally, in step S100, the manufacturing method of the planting interface includes: firstly, drawing a planting interface graph according to the size of a planting interface of a measured finished product base station, creating STL data of the planting interface according to the planting interface graph, and processing and manufacturing the planting interface according to the STL data.

Optionally, the size of the planting interface of the finished abutment is measured by a software measuring tool.

Optionally, in step S100, the substitute of the implant is manufactured by a 3D printing method, and the steps are as follows:

acquiring oral cavity scanning data by adopting laser three-dimensional scanning through a dental scanner, acquiring oral cavity CT data through CT detection, and constructing a three-dimensional digital model of the implant by combining the oral cavity scanning data and the oral cavity CT data;

the method is characterized in that a three-dimensional digital model of an implant is used as a basis, powdery metal bondable material is adopted, and a substitute of the implant is manufactured and obtained in a layer-by-layer printing mode.

Optionally, in step S200, the step of designing the three-dimensional map of the scan bar is as follows:

carrying out three-dimensional scanning imaging on the adjusted planting interface under an objective lens of a microscope, converting each two-dimensional structural image into a gray image matrix, and then carrying out amplitude normalization processing on the gray image matrix to form a normalized image matrix; multiplying a preset phase difference weight by each normalized image matrix to obtain a phase difference distribution matrix, and forming a planting interface image model by using all the phase difference distribution matrices;

and inspecting the planting interface image model, repairing the existing defects, performing relation conversion on the planting interface image model to obtain a scanning rod preliminary model, performing surface treatment on the scanning rod preliminary model, and completing to obtain a scanning rod three-dimensional image.

Optionally, in step S200, the virtual scan bar data is stored in the planting base database, and in step 300, the virtual scan bar data is first retrieved from the planting base database.

Optionally, in step S400, the gingival data is obtained by scanning the implant gingiva, and the occlusal relationship data is obtained by scanning the upper and lower tooth models.

Optionally, in step S400, jaw alignment data is obtained by scanning jaw alignment, and remaining tooth data is obtained by scanning the implant work model; and finishing the personalized graph of the abutment according to the data of the jaw teeth and the data of the remaining teeth.

Optionally, in step S400, the personalized graph of the abutment is designed using dental implant design software.

Optionally, in step S500, a CAM software is used to perform programming operation, and a titanium column is used as a material to process the personalized implant abutment.

The digital three-dimensional construction and manufacturing method of the personalized implant abutment can realize the personalization of the implant abutment, so that the implant abutment is matched with the oral characteristics of a specific patient, the fitting degree of the implant abutment and the patient is improved, the interference and the discomfort of the patient can be avoided, and the combination tightness of the implant teeth is enhanced. The invention can provide the best technical support and guarantee for clinical patients, so that the implant abutment is firmer and more beautiful after being installed.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a flow chart of an embodiment of a method for digital three-dimensional construction and manufacturing of a personalized implant abutment according to the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

The personalized abutment is characterized in that three-dimensional measurement and construction are carried out on an implantation interface and a screw channel of a finished abutment according to an implantation system in a patient mouth, a gum penetrating part and a restoration connecting part of the implantation abutment are designed in a personalized mode according to the position of an implant, gum and occlusion relation information, and a machine tool is used for cutting, machining and forming.

An alternative embodiment of the process for the digital three-dimensional construction and manufacturing of the personalized implant abutment shown in fig. 1 comprises the following steps:

s100, adjusting an implant interface by wearing a substitute of an implant, wherein the substitute of the implant is an article for replacing the implant when an implant horizontal impression taking working model is manufactured;

s200, designing a scanning rod three-dimensional graph according to the adjusted planting interface, and exporting virtual scanning rod data by using the scanning rod three-dimensional graph;

s300, scanning the planting scanning rod physical model by using a dental scanner to obtain actual scanning rod data, and fitting the virtual scanning rod data and the actual scanning rod data to obtain the position and interface data of the implant;

s400, designing a personalized graph of the base station according to the gum data and the occlusion relation data by combining the position of the implant and the interface data, and generating data of the personalized implant base station by using the personalized graph of the base station;

s500, performing programming operation on the data of the personalized planting base station, controlling the machine tool to perform machining by using the programming operation, and obtaining the personalized planting base station after the machining is completed.

The working principle of the technical scheme is as follows: the method adjusts the planting interface by wearing the substitute of the implant, the adjustment and the wearing test can be repeatedly carried out until the planting interface is well matched after being worn, the scanning rod three-dimensional graph is designed by the adjusted planting interface, and the virtual scanning rod data is obtained by utilizing the conversion of the data and the graph; the method comprises the steps of obtaining actual scanning rod data from a planting scanning rod physical model by adopting a stereo scanning mode of a dental scanner, obtaining position and interface data of an implant through simulated coincidence of the virtual scanning rod data and the actual scanning rod data, designing an individualized drawing of a base station with gum data and occlusion relation data of a specific patient, generating data of the individualized planting base station, and finally carrying out programming operation and processing by adopting a numerical control machine tool to obtain the individualized planting base station.

The beneficial effects of the above technical scheme are: the digital three-dimensional construction and manufacturing method of the personalized implant abutment can realize the personalization of the implant abutment, so that the implant abutment is matched with the oral characteristics of a specific patient, the fitting degree of the implant abutment and the patient is improved, the interference and the discomfort of the patient can be avoided, and the combination tightness of the implant teeth is enhanced. The invention can provide the best technical support and guarantee for clinical patients, so that the implant abutment is firmer and more beautiful after being installed.

In one embodiment, in step S100, the manufacturing method of the planting interface includes: firstly, drawing a planting interface graph according to the size of a planting interface of a measured finished product base station, creating STL data of the planting interface according to the planting interface graph, and processing and manufacturing the planting interface according to the STL data; and the size of the planting interface of the finished product base station is measured by adopting a software measuring tool.

The working principle of the technical scheme is as follows: the finished product base station for planting provided by a planting manufacturer is used as a sample, a planting interface of the finished product base station is observed under an industrial electron microscope, a software measuring tool is used for measuring and obtaining size data of the planting interface, a planting interface graph is drawn, and STL data of the created planting interface is used for processing and manufacturing the planting interface.

The beneficial effects of the above technical scheme are: the STL data format is adopted for convenient reading and calling, and most three-dimensional graphic software can be converted and exported by an additional storage mode, so that the STL data format is selected for rapid graphic and data conversion, and the operation is simple; the software measuring tool is adopted to measure the size of the planting interface of the finished product base station, which is beneficial to ensuring the measuring precision and avoiding the influence on the quality of the subsequently manufactured personalized planting base station due to the measuring precision problem.

In one embodiment, in step S100, the substitute body of the implant is manufactured by a 3D printing method, which includes the following steps:

acquiring oral cavity scanning data by adopting laser three-dimensional scanning through a dental scanner, acquiring oral cavity CT data through CT detection, and constructing a three-dimensional digital model of the implant by combining the oral cavity scanning data and the oral cavity CT data;

the method is characterized in that a three-dimensional digital model of an implant is used as a basis, powdery metal bondable material is adopted, and a substitute of the implant is manufactured and obtained in a layer-by-layer printing mode.

The working principle of the technical scheme is as follows: the method comprises the steps of obtaining oral data through oral scanning and CT to construct a three-dimensional digital model of an implant, filling a printing material mainly containing metal powder in a 3D printer, connecting the 3D printer with a computer, controlling the printing material to be overlapped layer by layer through the three-dimensional digital model of the implant in the computer, and finally changing a blueprint of the digital model on the computer into a substitute of the implant.

The beneficial effects of the above technical scheme are: the 3D printing method is adopted to manufacture the substitute of the implant, the data source of the substitute is directly obtained from the oral cavity of the patient, and the substitute has the personalized characteristics of the patient, so that the manufactured substitute of the implant also contains personalized information, and good personalized conditions are created for subsequently wearing the substitute template serving as the implant to adjust the implant interface.

In one embodiment, in step S200, the scan rod three-dimensional map is designed as follows:

carrying out three-dimensional scanning imaging on the adjusted planting interface under an objective lens of a microscope, converting each two-dimensional structural image into a gray image matrix, and then carrying out amplitude normalization processing on the gray image matrix to form a normalized image matrix; multiplying a preset phase difference weight by each normalized image matrix to obtain a phase difference distribution matrix, and forming a planting interface image model by using all the phase difference distribution matrices;

and inspecting the planting interface image model, repairing the existing defects, performing relation conversion on the planting interface image model to obtain a scanning rod preliminary model, performing surface treatment on the scanning rod preliminary model, and completing to obtain a scanning rod three-dimensional image.

The working principle of the technical scheme is as follows: and placing the adjusted planting interface under an objective lens of a microscope, performing three-dimensional scanning, forming a planting interface image model after normalization and matrix transformation processing of the obtained two-dimensional image, and converting the image model into a scanning rod model diagram according to the relation between the planting interface and the scanning rod after modification so as to complete the design of the scanning rod three-dimensional diagram.

The beneficial effects of the above technical scheme are: the three-dimensional scanning is utilized for rapid imaging, the simulation of a model diagram is improved, and the conformity of the obtained scanning rod three-dimensional diagram and the planting interface can be ensured through a relation conversion mode.

In one embodiment, the virtual scan bar data is stored in the planting base database in step S200, and the virtual scan bar data is retrieved from the planting base database in step 300.

The beneficial effects of the above technical scheme are: the virtual scanning rod data can be stored in a planting base station database in an STL format, and the calling of different software to the data can be supported.

In one embodiment, in the S400 step, the gum data is obtained by scanning an implant gum, and the bite relationship data is obtained by scanning upper and lower tooth models; and designing the personalized graph of the abutment by adopting dental implant design software. The scan is performed using a dental scanner.

The working principle of the technical scheme is as follows: the dental scanner is adopted for three-dimensional scanning, the artificial tooth implantation needs to sample from the oral cavity of a patient, the model is manufactured according to the sampling, and the model truly reflects the tooth condition in the oral cavity of the patient, so that gingival data and occlusion relation data obtained by scanning from objects such as the model are true and reliable, and a personalized implantation abutment diagram can be designed in a targeted manner according to the gingival data and the occlusion relation data. The main purpose of obtaining the scan rod data is to obtain the position and interface data of the implant by fitting the pre-stored virtual scan rod data with the actual scan rod data obtained by scanning. The dental implant design software is professional application software and comprises a plurality of functional modules which are convenient for implant design, so that the dental implant design software is convenient to use and uncomplicated to operate, the design speed can be increased, the efficiency is improved, and the visibility and the sense of reality of the design are enhanced; the software also has compatibility with the database, and the virtual scanning rod database can be installed in the software to be conveniently read and called.

The beneficial effects of the above technical scheme are: adopt dental scanner to acquire gum data and occlusion relation data, can conveniently acquire true data fast, and need not let the patient scene cooperation again, can acquire data comprehensively, reduce manual design measuring work load, shorten and take data time, improve work efficiency.

In one embodiment, in step S400, obtaining maxillofacial data by scanning the maxillofacial teeth, and obtaining remaining tooth data by scanning the implant work model; and finishing the personalized graph of the abutment according to the data of the jaw teeth and the data of the remaining teeth. The scan is performed using a dental scanner.

The working principle of the technical scheme is as follows: the data of the jaw teeth and the data of the remaining teeth, particularly the information of the remaining teeth at the positions adjacent to the missing teeth, can be combined to more directly know whether the personalized graph design of the abutment is proper or not and whether interference exists or not, whether close fit with the remaining teeth at the adjacent positions can be guaranteed or not, and places with problems can be trimmed.

The beneficial effects of the above technical scheme are: design optimization is carried out on the basis of jaw tooth data and residual tooth data, and positioning errors are foreseen and eliminated in advance through a virtual means, so that the phenomenon that the jaw tooth data and the residual tooth data cannot be installed or are not matched well to cause discomfort due to mutual interference is avoided.

In one embodiment, in step S500, a CAM software is used to perform a programming operation, and a titanium column is used to process the personalized implant abutment for the material.

The working principle of the technical scheme is as follows: cam (computer aid manufacturing) software is computer Aided manufacturing software that uses a computer to perform the process of production equipment management control and operation. Numerical control programming is the process of generating numerical control codes automatically or with manual intervention based on part geometry information from CAD and part process information from CAPP. Common numerical control codes are ISO (international organization for standardization) and EIA (american electronic industries association) systems. Wherein the ISO code is a seven-bit complementary code, namely the 8 th bit is a complementary bit; and the EIA code is a six-bit complement code, i.e., column 5 is the complement bit. The purpose of the couples and complements is to facilitate the verification of the misreading information of the tape reader. A general numerical control program is composed of program words, and the program words are composed of address codes represented by english letters and numbers and symbols after the address codes. Each program represents a special function, such as G00 for point control, G33 for constant pitch thread cutting, M05 for spindle stall, etc. Generally, a numerical control machining instruction of CAM software is composed of a plurality of program words.

The beneficial effects of the above technical scheme are: the CAM software is adopted to carry out programming operation on the data information of the assembly, seamless butt joint of drawing and machine tool machining can be realized, the machine tool can be controlled to efficiently machine the assembly with a complex shape, the machining precision is high, and the qualification rate of finished products can be improved. The titanium column material has various properties suitable for being used as a dental implant, has good titanium rigidity, higher hardness and wear resistance, has an enhancement effect on the chewing function of the dental implant, and can avoid abrasion.

By adopting the method, if a planting manufacturer provides a preformed titanium-planted column for cutting, the personalized planting base station can be processed in a titanium-planted column cutting mode after the base station is personalized, if the planting manufacturer does not provide the preformed titanium-planted column, three-dimensional measurement and data construction need to be carried out on a planting interface of a finished base station, and then a gum penetrating part and the upper part of the personalized base station are designed and are cut by a machine tool.

The method can also be used for customizing the personalized implant abutment according to the gum, the implant angle and the occlusion relation of the patient, thereby meeting the clinical requirements of the patient to the greatest extent.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.