CN117464024A

CN117464024A - Personalized 3D titanium plate printing method and device, electronic equipment and medium

Info

Publication number: CN117464024A
Application number: CN202311829506.9A
Authority: CN
Inventors: 刘洋; 张立强; 高阳; 王志会; 张薇奇; 孙甲文; 史佳俊
Original assignee: Suzhou Deprunxin Material Technology Co ltd
Current assignee: Suzhou Deprunxin Material Technology Co ltd
Priority date: 2023-12-28
Filing date: 2023-12-28
Publication date: 2024-01-30
Anticipated expiration: 2043-12-28
Also published as: CN117464024B

Abstract

The application relates to a personalized 3D printing titanium plate method, device, electronic equipment and medium, and relates to the field of oral implantation.

Description

Personalized 3D titanium plate printing method and device, electronic equipment and medium

Technical Field

The application relates to the field of oral implantation, in particular to a method, a device, electronic equipment and a medium for personalized 3D printing of a titanium plate.

Background

The dental implant is a means for supporting and fixing an upper dental prosthesis based on a lower structure of an implant bone tissue, and the dental implant has a main problem that an alveolar bone width or height is insufficient due to bone resorption, so that in order to compensate for bone defects due to bone resorption, a bone increment technique, that is, a bone tissue regeneration guide technique is used, in which bone powder is fixed by a titanium plate in order to grow loose bone powder into bone tissue having a certain strength and satisfying implant requirements.

Traditional titanium board adopts machining's mode, and the doctor prints the jaw model after the increment, and with the titanium board manual bending form required shape on printing good jaw model, because manual bending has the error for titanium board and the inseparable of jaw model laminating, thereby reduce the suitability of titanium board and patient's jaw, and then when carrying out the operation, need adjust according to patient's jaw for operation time is long, reduces operation efficiency.

Disclosure of Invention

In order to improve the suitability of a titanium plate and the jawbone of a patient and improve the operation efficiency, the application provides a method, a device, electronic equipment and a medium for personalized 3D printing of the titanium plate.

In a first aspect, the present application provides a method for personalized 3D printing of a titanium plate, which adopts the following technical scheme:

a method of personalizing a 3D printed titanium plate, comprising:

acquiring tooth arrangement information of a patient and a jaw model;

determining the implant position according to the tooth arrangement information;

performing vertical bone increment filling and horizontal bone increment filling on the jaw model according to the implant position to obtain an updated jaw model;

extracting the surface corresponding to the implant position in the updated jaw model to obtain the coverage of the titanium plate;

smoothing the coverage surface to obtain a design area of the titanium plate;

determining a titanium plate specification according to the updated jawbone model and the design area, wherein the titanium plate specification comprises the length, the height and the thickness of a titanium plate;

and controlling the 3D printing equipment to print based on the titanium plate specification.

Through adopting above-mentioned technical scheme, obtain the row tooth information and the jaw model of patient, thereby make can confirm the position of implant according to row tooth information simply and conveniently, and then carry out vertical bone increment filling and horizontal bone increment filling according to the position of implant on the jaw model, obtain the jaw model after the update, so that the jaw model after the update can provide the planting basis for the implant, confirm the cover face of titanium plate according to the position of implant on the jaw model surface after the update, and carry out smooth processing to it, thereby make the design area surface of titanium plate smoother and increase the laminating degree of titanium plate and cover face, can confirm the specification of plate accurately according to jaw model after the update and design area, carry out titanium plate printing based on the titanium plate specification control 3D printing equipment after the titanium plate specification after the update, compare the titanium plate preparation of patient according to the manual bending titanium plate of jaw model of actual patient in the relevant technique, this scheme carries out the determination of implant position and bone design according to the position of implant on this basis, thereby carry out the titanium plate after the jaw model after the update is obtained, thereby print the titanium plate accuracy, thereby print the titanium plate according to the jaw model after the jaw plate is improved, thereby print the operation accuracy is improved by the titanium plate according to the jaw plate 3, thereby can be improved by the operation accuracy.

In another possible implementation, the determining the titanium plate specification according to the updated jawbone model and the design area includes:

judging whether the vertical bone increment and the horizontal bone increment are wrapped by an alveolar bone according to the updated jaw model;

if not, adding the vertical bone increment and/or the horizontal bone increment based on the vertical bone increment and the horizontal bone increment, and performing secondary filling to obtain a jaw bone model after secondary updating;

and determining the specification of the titanium plate based on the jaw bone model after the secondary updating and the design area.

In another possible implementation, the determining the titanium plate specification based on the secondarily updated jaw model, the design area, and the implant position includes:

measuring the thickness of the vertical bone increment of the jaw bone model after the secondary updating, the width of the horizontal bone increment and the length of the alveolar ridge crest of the design area;

determining the height of the titanium plate according to the thickness of the vertical bone increment, and determining the width of the titanium plate based on the width of the horizontal bone increment;

and determining the length of the titanium plate according to the length of the crest of the alveolar ridge of the design area.

In another possible implementation, the controlling the 3D printing device to print based on the titanium plate specification includes:

matching the jaw model after the secondary updating with the titanium plate model to obtain a matched jaw model;

judging whether a titanium plate specification in the matched jaw model is attached to the jaw model after secondary updating or not based on the matched jaw model;

if yes, controlling the 3D printing equipment to print based on the specification of the titanium plate;

if not, calibrating the titanium plate specification to obtain a calibrated titanium plate specification;

and controlling the 3D printing equipment to print based on the titanium plate specification based on the calibrated titanium plate specification.

In another possible implementation, the determining the implant position based on the tooth arrangement information includes:

determining bone mass, bone density, and bone status of the defective tooth location based on the tooth placement information and a jaw model;

simulating the placement position and orientation of the implant in the mouth scan model based on the bone mass and bone density of the defective tooth location;

and adjusting the placement position and the orientation of the implant according to the bone condition to obtain the implant position.

In another possible implementation, the titanium plate gauge further comprises a titanium plate thickness, the titanium plate thickness ranging from 0.1 to 2mm, inclusive.

In another possible implementation, the titanium plate gauge further includes a staple location, the method further comprising:

acquiring the tooth root position and the tooth nerve position of the adjacent tooth;

determining a fixed range based on the adjacent tooth root and the tooth nerve position;

determining the staple position based on the fixed range;

updating the titanium plate specification based on the position of the fixing nail to obtain an updated titanium plate specification;

the control 3D printing device prints based on the titanium plate specification, and comprises:

and controlling the 3D printing equipment to print based on the updated titanium plate specification.

In a second aspect, the present application provides a device for personalized 3D printing of a titanium plate, which adopts the following technical scheme:

an apparatus for personalizing a 3D printed titanium sheet, comprising:

the first acquisition module is used for acquiring tooth arrangement information of a patient and a jaw model;

the first position determining module is used for determining the position of the implant according to the tooth arrangement information;

the first updating module is used for carrying out vertical bone increment filling and horizontal bone increment filling on the jaw model according to the implant position to obtain an updated jaw model;

The extraction module is used for extracting the surface corresponding to the implant position in the updated jaw model to obtain the coverage of the titanium plate;

the processing module is used for carrying out smooth processing on the coverage surface to obtain a design area of the titanium plate;

the specification determining module is used for determining the specification of the titanium plate according to the updated jawbone model and the design area, wherein the specification of the titanium plate comprises the length, the height and the width of the titanium plate;

and the printing module is used for controlling the 3D printing equipment to print based on the titanium plate specification.

In another possible implementation manner, the specification determining module is specifically configured to, when determining the specification of the titanium plate according to the updated jawbone model and the design area:

In another possible implementation manner, the specification determining module is specifically configured to, when determining the titanium plate specification based on the second updated jawbone model and the design area:

In another possible implementation manner, the printing module is specifically configured to, when controlling the 3D printing device to print based on the titanium plate specification:

In another possible implementation manner, the first position determining module is specifically configured to, when determining the implant position according to the tooth arrangement information:

In another possible implementation, the titanium plate gauge further includes a staple location, the apparatus further comprising:

the second acquisition module is used for acquiring the positions of the tooth roots of the adjacent teeth and the positions of the nerves of the teeth;

the range determining module is used for determining a fixed range based on the adjacent tooth root, the tooth nerve position and the design area;

A second position determination module for determining the staple position based on the fixed range;

the second updating module is used for updating the titanium plate specification based on the position of the fixing nail to obtain an updated titanium plate specification;

the control module is used for controlling the 3D printing equipment to print based on the specification of the titanium plate and comprises the following components:

In a third aspect, the present application provides an electronic device, which adopts the following technical scheme:

an electronic device, the electronic device comprising:

at least one processor;

a memory;

at least one application, wherein the at least one application is stored in the memory and configured to be executed by the at least one processor, the at least one processor configured to: a method of personalizing a 3D printed titanium plate according to any one of the possible implementations of the first aspect is performed.

In a fourth aspect, the present application provides a computer readable storage medium, which adopts the following technical scheme:

a computer readable storage medium, which when executed in a computer causes the computer to perform a method of personalizing a 3D printed titanium sheet according to any of the first aspects.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the method comprises the steps of obtaining tooth arrangement information of a patient and a jaw model, so that the position of the implant can be simply and conveniently determined according to the tooth arrangement information, further, vertical bone increment filling and horizontal bone increment filling are carried out on the jaw model according to the position of the implant, an updated jaw model is obtained, an implant foundation can be provided for the implant by the updated jaw model, the coverage surface of a titanium plate is determined on the surface of the updated jaw model according to the position of the implant, smoothing treatment is carried out on the surface of the updated jaw model, the design area surface of the titanium plate is smoother, the fitting degree of the titanium plate and the coverage surface is increased, the specification of the titanium plate can be accurately determined according to the updated jaw model and the design area, titanium plate printing is carried out on the basis of the determined specification of the titanium plate, compared with the titanium plate manufacturing of a patient which is manually bent according to the jaw model of an actual patient in the related technology, the titanium plate position is determined and the bone increment design are carried out on the basis, the titanium plate is subjected to secondary update according to the position of the implant, the titanium plate is accurately printed according to the updated jaw model, the titanium plate printing operation efficiency is improved, and the titanium plate printing operation is carried out on the titanium plate is more accurately according to the jaw model after the updated jaw model is carried out on the titanium plate according to the actual operation, and the titanium plate printing operation is more than 3 is more convenient, and the specification is more convenient, and the operation is better than has high.

Drawings

Fig. 1 is a flow chart of a method of personalizing a 3D printed titanium sheet in an embodiment of the present application.

Fig. 2 is a schematic representation of the location of a missing tooth in an embodiment of the present application.

Fig. 3 is a schematic view of an updated jaw model in an embodiment of the application.

Fig. 4 is a schematic view of a staple in an embodiment of the present application.

Fig. 5 is a schematic view of a titanium plate in an embodiment of the present application.

Fig. 6 is a schematic flow chart of a personalized 3D printing titanium plate device in an embodiment of the present application.

Fig. 7 is a schematic structural diagram of an electronic device in an embodiment of the present application.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Modifications of the embodiments which do not creatively contribute to the invention may be made by those skilled in the art after reading the present specification, but are protected by patent laws only within the scope of claims of the present application.

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In this context, unless otherwise specified, the term "/" generally indicates that the associated object is an "or" relationship.

Embodiments of the present application are described in further detail below with reference to the drawings attached hereto.

The embodiment of the application provides a method for personalizing a 3D printing titanium plate, which is executed by electronic equipment, wherein the electronic equipment can be a server or terminal equipment, and the server can be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server for providing cloud computing service. The terminal device may be, but is not limited to, a smart phone, a tablet computer, a notebook computer, a desktop computer, etc., and the terminal device and the server may be directly or indirectly connected through wired or wireless communication, which is not limited herein, and as shown in fig. 1, the method includes: step S101, step S102, step S103, step S104, step S105, step S106, step S107, and step S108, wherein,

Step S101, obtaining tooth arrangement information of a patient and a jaw model.

Wherein the tooth arrangement information includes the number of missing teeth, the location of the missing teeth, and the morphology of each missing tooth.

In the embodiment of the application, the three-dimensional shape and the color information of the oral cavity, namely an oral cavity sweeping model, are obtained through a laser or an optical sensor; acquiring three-dimensional structural information of an oral cavity, namely CBCT data, through cone beam X-ray scanning; the three-dimensional structure information shows detailed forms of teeth, dental bones and root canals, the three-dimensional shape of an oral cavity shows the surface shapes of teeth and soft tissues, more detailed oral cavity information can be provided according to the three-dimensional shape, color information and the three-dimensional structure information of the oral cavity, a mouth scanning model and CBCT data can be input into electronic equipment by staff through a USB flash disk, a hard disk and other storage equipment, and the electronic equipment can also acquire the mouth scanning model and the CBCT data through a cloud server.

Specifically, 3 Shape is utilized, so that the oral cavity scanning model and the CBCT data can be automatically aligned under the same coordinate system, namely, the three-dimensional Shape, the color information and the three-dimensional structure information of the oral cavity of a patient are combined to obtain a complete oral cavity model, and the number of defective teeth and the positions of the defective teeth are determined according to the oral cavity model. Since the positions of the teeth are different, the shapes of the teeth can be determined according to the positions of the defective teeth, namely, the front teeth are relatively slender, and the rear teeth are relatively wide. The 3 Shape also supports the introduction of the oral scan model and the CBCT data. Assume that the number of missing teeth is 3 and that the morphology of the 3 missing teeth is square.

Further, after obtaining the tooth arrangement information, the method further comprises: the determined number of the defective teeth, the positions of the defective teeth, the shape of each defective tooth and the combined complete oral cavity model are displayed, wherein the oral cavity model shows a three-dimensional model of teeth and soft tissues in an oral cavity, and the oral cavity model is displayed on a display screen of electronic equipment so that a user can verify tooth arrangement information; receiving verification information triggered by a user; when the verification information is successful, executing step S102; when the verification information is verification failure, step S101 is executed again to perform verification, and after the number of times of verification failure reaches a preset threshold, the user is prompted to input that correct information has obtained correct tooth arrangement information, so that the tooth arrangement information can be accurately determined, wherein the preset threshold can be set according to actual requirements.

Step S102, determining the implant position according to the tooth arrangement information.

In the embodiment of the application, the tooth arrangement information is imported into model editing software, and implantation of an implant in an oral cavity model is simulated in the software, so that the position of the implant is simply and conveniently determined, and further, compared with a mode that a doctor determines the position of the implant by analyzing the tooth arrangement information, the model editing software comprises, but is not limited to, 3 Shape and BlueSkyPlan.

And step S103, performing vertical bone increment filling and horizontal bone increment filling on the jaw model according to the implant position to obtain an updated jaw model.

In this embodiment of the present application, referring to fig. 3, CBCT data and a mouth scan model are combined in model editing software to form a jaw model of a patient, where the jaw model shows a three-dimensional model of a bone structure of a jaw in an oral cavity, a gum in the jaw model is cut by simulating an oral implant operation on the basis of the jaw model, bone powder is respectively filled in a vertical direction of a defective tooth position and a horizontal direction of the defective tooth position, and then the gum is sutured to obtain an updated jaw model, so that a normal structure of the jaw is restored, and the updated jaw model more accurately reflects a structure of an alveolar bone of the patient after the bone increment filling operation.

And step S104, extracting the surface corresponding to the implant position in the updated jaw model to obtain the coverage of the titanium plate.

In this embodiment of the present application, the coverage of the titanium plate is determined according to the shape and the position of the surface around the implant position by the implant position and the updated jaw model, and it is to be noted that the coverage of the titanium plate is the upper surface of the alveolar bone, and the coverage of the titanium plate needs to cover the surface of the updated jaw model, which is filled with the horizontal bone increment, because the implant is implanted by the upper surface of the alveolar bone, the coverage of the titanium plate at least needs to cover the implant implantation position.

Step S105, performing smoothing treatment on the coverage surface to obtain a design area of the titanium plate.

In this application embodiment, after vertical bone increment fills and horizontal bone increment fills, the cover face can appear slightly outstanding or not smooth condition in the surrounding tissue relatively, consequently carries out smooth processing through smooth algorithm to the cover face to make the design regional surface of titanium board smoother, and then make cover face and surrounding tissue link up nature, further, increase the laminating degree of titanium board and cover face.

And S106, determining the specification of the titanium plate according to the updated jawbone model and the design area.

Wherein, the titanium plate specification includes length, height and width of titanium plate.

In the embodiment of the application, the electronic equipment measures the length, the width and the height of the position of the defective tooth in the updated jawbone model; the method comprises the steps of determining the size of an alveolar bone after bone increment filling of a patient according to the length, the width and the height of a defective tooth position, namely, the length, the width and the height of the alveolar bone after bone increment filling of the patient, wherein a design area is an area which is subjected to smoothing treatment, therefore, the length and the width of a titanium plate can be obtained through the length and the width of the design area, the height of the titanium plate can be obtained through the height of the alveolar bone after filling of the patient, wherein the length of the titanium plate meets the coverage design area, the height of the titanium plate is within a preset thickness range of vertical bone increment thickness, and therefore the specification of the titanium plate is determined, and the suitability of the specification of the titanium plate and the updated jaw bone is improved.

Step S107, controlling the 3D printing device to print based on the titanium plate specification.

In the embodiment of the present application, the 3D printing process may be thermal deposition and laser melting, or may be electron beam melting, which is not specifically limited in the embodiment of the present application.

Through the technical scheme, according to the embodiment of the application, through carrying out bone increment design on the jaw model of a patient, the coverage of the jaw model after updating and the titanium plate is obtained, smooth treatment is carried out on the coverage of the titanium plate, and a design area is obtained, so that the titanium plate specification is determined according to the jaw model after updating and the design area, then the generated titanium plate specification is loaded into 3D printing equipment, thereby controlling the 3D printing equipment to print according to the titanium plate specification, and further compared with the prior art, a doctor manually bends the titanium plate according to the jaw model of an actual patient to carry out the titanium plate manufacture of the patient, the suitability of the titanium plate and the patient is higher, and the efficiency of obtaining the titanium plate model is higher.

The electronic equipment loads the generated titanium plate model into the 3D printing equipment, so that the 3D printing equipment is controlled to print according to the specification of the titanium plate, and then compared with the method for printing the updated jaw model, the method for determining the titanium plate by manually bending according to the printed jaw model by a doctor is more accurate, the suitability of the titanium plate and the jaw model is further improved, the time for adjustment during operation is reduced, and the operation efficiency is further improved.

One possible implementation manner of the embodiment of the present application, determining the specification of the titanium plate model according to the updated jawbone model and the implant position includes a step S1061 (not shown in the figure), a step S1062 (not shown in the figure), and a step S1063 (not shown in the figure), where,

step S1061, judging whether the filled vertical bone increment and horizontal bone increment are wrapped by the implant according to the updated jaw model.

In the embodiment of the application, the electronic device creates the tangent plane on the updated jawbone model by controlling the model editing software, measures the width and the height of the alveolar bone in the updated jawbone model according to the created tangent plane, compares the width of the alveolar bone in the updated jawbone model with the width of the implant, and compares the height of the alveolar bone in the updated jawbone model with the height of the implant, thereby accurately determining whether the filled vertical bone increment and the filled horizontal bone increment both wrap the implant.

And step S1062, if not, adding the vertical bone increment and/or the horizontal bone increment based on the vertical bone increment and the horizontal bone increment, and performing secondary filling to obtain a jaw model after secondary updating.

In this application embodiment, the width and the high tooth root that need hold the implant of alveolar bone, when planting the tooth, need patient's alveolar bone's width and height can be satisfied in order to hold the implant, consequently, when horizontal bone increment and perpendicular bone increment do not wrap up the implant, or, the implant is not lived to arbitrary item of horizontal bone increment and perpendicular bone increment, then carries out the secondary filling to the alveolar bone according to the bone increment of not lived the implant of wrapping up, thereby make can rebuild the alveolar bone form that can support the implant, and then for the implantation of implant provides the basis. Specifically, the positional relationship between the bone increment and the implant edge is that the bone mass of the cheek side of the implant is 2-3mm, the bone mass of the tongue side of the implant is 1-2mm, and the bone mass of the crest of the implant alveolar ridge is 1-4mm. Wherein, the buccal bone mass is the bone mass of the implant facing the cheek side, and the lingual bone mass is the bone mass of the implant facing the tongue side.

Step S1063, determining the specification of the titanium plate based on the jaw model and the design area after the secondary updating.

In this embodiment, referring to fig. 3, after the horizontal bone increment and the vertical bone increment are filled for the first time, the implant may be wrapped, or the implant may be wrapped incompletely, when the implant is wrapped incompletely, support and stability cannot be provided for the implant, so that the situation that the implant is loose may exist when the implant is implanted in the later stage, in order to increase the stability of the implant, the horizontal bone increment and/or the vertical bone increment need to be filled for the second time, until the filled bone increment can provide sufficient support stability for the implant, that is, the horizontal bone increment and the vertical bone increment can wrap the implant, so that the updated jaw model is updated for the second time according to the filled vertical bone increment and/or the vertical bone increment, the support is provided for the root of the implant by the alveolar bone in the jaw model after the second update, and accordingly, the electronic device can accurately determine the specification of the titanium plate according to the dimension of the jaw model and the design area after the measurement of the second update.

According to one possible implementation manner of the embodiment of the application, based on the jaw model after secondary updating and the design area, the specification of the titanium plate is determined, wherein the specification of the titanium plate comprises the length, the height and the width of the titanium plate and comprises the following steps: step S1 (not shown), step S2 (not shown), and step S3 (not shown), wherein,

step S1, measuring the thickness of the vertical bone increment, the width of the horizontal bone increment and the length of the crest of the designed area of the jaw bone model after the secondary updating.

In the embodiments of the present application, the length, thickness, and width measurements may be made by model editing software. Specifically, a linear measuring tool is used for measurement.

And S2, determining the height of the titanium plate according to the thickness of the vertical bone increment, and determining the width of the titanium plate based on the width of the horizontal bone increment.

In this embodiment of the present application, since the titanium plate is covered on the outer surface of the alveolar bone and is used for supporting and protecting bone tissue, the thickness of the vertical bone increment is determined as the height of the titanium plate, and the width of the horizontal bone increment is determined as the width of the titanium plate, it should be noted that the height of the titanium plate may also be within the preset thickness range of the vertical bone increment, that is, the thickness of the vertical bone increment+the preset thickness value, the preset thickness value is a floating value of the thickness of the titanium plate within a reasonable range, for example, the preset thickness value is 0.3mm, the thickness of the vertical bone increment is 8mm, the thickness is in the range of 8-8.3mm, that is, the width of the horizontal bone increment+the preset width value, where the preset width value is a floating value of the titanium plate within a reasonable range, for example, the preset width value is 0.2mm, the width of the horizontal bone increment is 5.5mm, and the width within the range of 5.5-5.7 can be used as the height of the titanium plate.

And S3, determining the length of the titanium plate according to the length of the crest of the alveolar ridge in the design area.

In this embodiment of the present application, the design area is determined according to the coverage area of the titanium plate, so the length of the crest of the design area is the length of the titanium plate, and it should be noted that the length of the titanium plate may also be within the preset length range of the crest of the design area, that is, the length of the crest of the design area+the preset length value, where the preset length value is a floating value of the length of the titanium plate within a reasonable range, for example, the preset length value is 1mm, the length of the crest of the coverage area is 10mm, and the thickness is within the range of 10-11mm, which may be used as the length of the titanium plate.

One possible implementation manner of the embodiment of the present application controls the 3D printing device to print based on the titanium plate specification, including: step S1071 (not shown in the figure), step S1072 (not shown in the figure), step S1073 (not shown in the figure), step S1074 (not shown in the figure), and step S1075 (not shown in the figure), wherein,

step S1071, the jaw model after the secondary updating is matched with the specification of the titanium plate, and the matched jaw model is obtained.

In the embodiment of the application, a titanium plate model is generated according to the specification of the titanium plate in model editing software, and the jaw bone model after secondary updating and the coordinate system of the titanium plate model are aligned, so that the jaw bone model after secondary updating and the titanium plate model correspond to each other at the same spatial position, and the matched jaw bone model is accurately obtained, namely, the mode of the simulation operation of the titanium plate model is covered on the jaw bone model after secondary updating.

Step S1072, based on the matched jaw model, judging whether the specification of the titanium plate in the matched jaw model is attached to the jaw model after the second update.

In this embodiment of the present application, when judging whether the matched jaw model and the secondarily updated jaw model are bonded, the secondarily updated jaw model and the matched jaw model may be respectively labeled with different colors, that is, the secondarily updated jaw model is filled with one color in 3 Shape, and the matched jaw model is filled with another color, so as to determine whether bonding is performed according to the colors, that is, whether there is a gap between the two colors, and whether bonding is performed if there is no gap between the two colors, or whether bonding is performed by comparing the sizes of the two colors, which is not specifically limited, may also be determined by measuring the matched jaw model and the secondarily updated jaw model.

And step S1073, if yes, controlling the 3D printing equipment to print based on the titanium plate specification.

In this embodiment of the present application, after the judgment in step S1073, when the titanium plate specification in the matched jawbone model is attached to the jawbone model after the second update, the electronic device transmits the titanium plate specification to the control 3D printing device, and the control 3D printing device prints according to the titanium plate specification.

Step S1074, if not, calibrating the titanium plate specification to obtain the calibrated titanium plate specification.

In this embodiment of the present application, through step S1073, when the titanium plate specification in the matched jaw model is not adhered to the jaw model after the second update, the electronic device re-executes step S1 to step S3, and re-measures the thickness of the vertical bone increment, the width of the horizontal bone increment and the length of the design area of the jaw model after the second update, thereby correcting and re-determining the titanium plate specification according to the measurement result, thereby accurately determining the titanium plate specification, further reducing the problems of long operation time and reduced operation efficiency due to improper adjustment of the titanium plate specification during the dental implant operation.

Step S1075, based on the calibrated titanium plate specification, controlling the 3D printing equipment to print based on the titanium plate specification.

In the embodiment of the application, the electronic equipment transmits the calibrated titanium plate specification to the control 3D printing equipment, and the control 3D printing equipment prints according to the titanium plate specification, so that the titanium plate is obtained rapidly and accurately.

One possible implementation manner of the embodiments of the present application, determining an implant position based on tooth arrangement information includes: step S1021 (not shown), step S1022 (not shown), and step S1023 (not shown), wherein,

Step S1021, determining bone mass, bone density and bone state of the position of the defective tooth based on the tooth arrangement information and the jaw model.

In the embodiment of the present application, the electronic device measures bone mass by using model editing software, for example, 3 Shape and bluekyplan, etc., and the embodiment is not limited specifically, and when determining bone density, the electronic device imports both the mouth scan model and CBCT data into the model editing software to construct a jawbone model, and assigns a corresponding gray value at each voxel, where a voxel is a pixel in the jawbone model. The mapping table of the gray value and the bone density is stored in a database of the electronic device, the bone density corresponding to the gray value is determined in the mapping table according to the gray value of the position of the defective tooth, the electronic device can measure the bone condition by DEXA (dual energy X-ray absorption method) and QCT (quantitative CT scanning) and other methods, and output the result of the bone condition in model editing software, and the bone condition can be accurately determined by assuming that the bone quantity is 2.5mm in horizontal bone quantity, 3.5mm in vertical bone quantity and 125 in the position of the defective tooth, and the bone density is 400HU (Hounsfield Unit) and the bone condition is normal bone.

Step S1022, simulating the placement position and orientation of the implant in the jaw model based on the bone mass and bone density of the defective tooth position.

In one possible implementation manner, the bone quantity and the bone density of the position of the defective tooth obtained in step S1021 are displayed in a display interface, so that the user can determine the position and the orientation of the implant in the jaw model according to the bone quantity and the bone density of the position of the defective tooth; the user-determined implant position and orientation is received, and then simulated implantation is performed in the jaw model.

In another possible implementation manner, the design area is divided into at least one sub-area, then the bone mass and the bone density of each sub-area are respectively calculated in 3 Shape according to the mode of step S1021, then the weight value of each sub-area is determined according to the weights, then the weight values of each sub-area are ordered from big to small, and the area with the largest weight value is selected as the planting area, wherein the weights are respectively set according to the bone mass and the importance degree of the bone density, for example, the weight of the bone mass is 0.5, and the weight of the bone density is 0.5; the orientation of the implant is determined according to the position of the gums, and the particular orientation of the implant is perpendicular to the gums.

Step S1023, adjusting the placement position and the orientation of the implant according to the bone condition to obtain the implant position.

In this embodiment of the present application, the bone condition is determined by step S1041, and the position and the orientation of the implant are dragged and/or rotated in the jaw model by using the Implant Placement tool in 3 Shape to implement the adjustment of the implant, so that the position of the implant is determined more accurately, and the success rate of implantation of the implant is improved.

In one possible implementation manner of the embodiment of the present application, the titanium plate specification further includes a titanium plate thickness, and the titanium plate thickness ranges from 0.1 mm to 2mm, including the endpoint value.

In the embodiment of the application, the thickness of the titanium plate is controlled to be between 0.1 and 2mm, so that the material cost can be reduced, the thickness of the further titanium plate can be better adapted to the structure of an alveolar bone in the interval, and the situation of rejection reaction after operation is reduced.

In one possible implementation manner of the embodiment of the present application, the titanium plate specification further includes a fixing nail position, and the method further includes: step S108 (not shown), step S109 (not shown), step S110 (not shown), step S111 (not shown), and step S112 (not shown), wherein,

Step S108, obtaining the adjacent tooth root position and the tooth nerve position.

In the embodiment of the application, the electronic equipment acquires the adjacent tooth root position and the tooth nerve position from the CBCT data.

Step S109, determining a fixed range based on the adjacent tooth root, the tooth nerve position and the design area.

In this embodiment of the present application, the form and structure of the adjacent tooth root are complex, the position is unstable, and the tooth nerve is a sensory nerve, so that the adjacent tooth root and the tooth nerve position need to be avoided when determining the fixing range on the design area, and the structural stability of the adjacent tooth root and the normal function of the tooth nerve are protected, wherein, the determining of the fixing range is to fix the titanium plate on the alveolar bone, and therefore, the fixing range is in the area where the design area corresponds to the vertical bone increment, and therefore, the positions of the adjacent tooth root and the tooth nerve are removed in the area where the vertical bone increment corresponds to the design area, so that the fixing range is determined.

Step S110, determining the staple position based on the fixed range.

In this application embodiment, refer to fig. 4, based on adding virtual staple in the fixed scope of determining in 3 Shape, remove the position of staple in fixed scope for the staple coordinates with other teeth and tissue, promptly, the staple does not influence the interlock of tooth around, thereby confirm the staple position, and then improve the connection stability between titanium board and the alveolar bone, it is to be noted that, the staple position is located fixed scope, avoids adjacent tooth root and the position of tooth nerve simultaneously, thereby avoids causing the damage to adjacent tooth and tooth nerve, and then improves the security of planting tooth operation.

And step S111, updating the titanium plate specification based on the position of the fixing nail to obtain the updated titanium plate specification.

In this application embodiment, referring to fig. 5, electronic equipment can accurately confirm the position of staple on the titanium plate according to the position of staple, and then reserve the position of staple on the titanium plate, wherein, the diameter of staple that reserves is greater than the actual diameter of staple, obtains the titanium plate specification after the update, further increases the adaptation degree of titanium plate specification and jaw model after the secondary update, reduces because the improper in operation of titanium plate specification is adjusted, increases operation duration, reduces the problem of operation efficiency.

Step S112, controlling the 3D printing device to print based on the titanium plate specification, including: and controlling the 3D printing equipment to print based on the updated titanium plate specification.

The foregoing embodiments describe a method for personalizing a 3D printed titanium sheet from a method flow perspective, and the following embodiments describe a personalized 3D printed titanium sheet device 20 from a virtual module or virtual unit perspective, in particular the following embodiments.

The embodiment of the application provides a personalized 3D printing titanium plate device 20, as shown in fig. 6, the personalized 3D printing titanium plate device 20 may specifically include:

a first acquisition module 201 for acquiring tooth arrangement information of a patient and a jaw model;

a first position determination module 202 for determining an implant position based on the tooth arrangement information;

a first updating module 203, configured to perform vertical bone incremental filling and horizontal bone incremental filling on the jaw model according to the implant position, to obtain an updated jaw model;

the extraction module 204 is used for extracting the surface corresponding to the implant position in the updated jawbone model to obtain the coverage of the titanium plate;

the processing module 205 is configured to perform smoothing on the coverage surface to obtain a design area of the titanium plate;

the specification determining module 206 is configured to determine a specification of a titanium plate according to the updated jawbone model and the design area, where the specification of the titanium plate includes a length, a height, and a width of the titanium plate;

and the printing module 207 is used for controlling the 3D printing equipment to print based on the titanium plate specification.

The embodiment of the application discloses individualized 3D prints titanium plate device 20, wherein, first acquisition module 201 acquires the row tooth information and the jaw model of patient, thereby make first position determination module 202 can confirm the position of planting body according to row tooth information simply and conveniently, and then first update module 203 carries out vertical bone increment filling and horizontal bone increment filling according to the position of planting body on the jaw model, obtain the jaw model after the update, so that the jaw model after the update can provide the planting basis for the planting body, extraction module 204 is according to the covering face of the titanium plate of position determination of planting body on the jaw model surface after the update, thereby the processing module 205 carries out smooth processing to it, thereby the design area surface of titanium plate is smoother and increases the laminating degree of titanium plate and covering face, specification determination module 206 can confirm the specification of titanium plate according to the jaw model after the update and design area are accurate, print the titanium plate based on the titanium plate specification control 3D printing equipment of titanium plate of doctor who confirms, compare with the manual crooked plate of jaw according to actual patient in the correlation technique, thereby the problem of obtaining the titanium plate after the position of the patient is more accurate, thereby the titanium plate is printed according to the position of the jaw model after the jaw plate is more accurate, thereby the operation is carried out the titanium plate is carried out to the second time, the problem of carrying out the operation is reduced, the operation is more accurate, the titanium plate is obtained according to the jaw model after the jaw plate is more accurate, the position is more accurate, the operation is improved, the problem is more accurate is reached, the titanium plate according to the titanium plate is, titanium plate is can be accurately is according to the titanium.

In one possible implementation manner of the embodiment of the present application, the specification determining module 206 is specifically configured to, when determining the specification of the titanium plate according to the updated jawbone model and the design area:

judging whether the vertical bone increment and the horizontal bone increment wrap the alveolar bone according to the updated jaw model;

if not, adding the vertical bone increment and/or the horizontal bone increment based on the vertical bone increment and the horizontal bone increment, and performing secondary filling to obtain a jaw model after secondary updating;

and determining the specification of the titanium plate based on the jaw model and the design area after the secondary updating.

In one possible implementation manner of the embodiment of the present application, the specification determining module 206 is specifically configured to, when determining the specification of the titanium plate based on the jaw model and the design area after the second update:

measuring the thickness of the vertical bone increment of the jaw bone model after the secondary updating, the width of the horizontal bone increment and the length of the crest of the alveolar ridge of the design area;

In one possible implementation manner of the embodiment of the present application, when the printing module 207 controls the 3D printing device to print based on the titanium plate specification, the printing module is specifically configured to:

judging whether the specification of the titanium plate in the matched jaw model is attached to the jaw model after the second updating based on the matched jaw model;

based on the calibrated titanium plate specification, the 3D printing equipment is controlled to print based on the titanium plate specification.

In one possible implementation manner of this embodiment of the present application, the first position determining module 202 is specifically configured to, when determining the implant position according to the tooth arrangement information:

determining bone mass, bone density, and bone status at the location of the defective tooth based on the tooth discharge information and the jaw model;

In one possible implementation of the embodiments of the present application, the titanium plate gauge further includes the thickness of the titanium plate,

the titanium plate has a thickness in the range of 0.1-2mm, inclusive.

In one possible implementation of the embodiment of the present application, the titanium plate gauge further includes a staple position, and the apparatus 20 further includes:

a second position determination module for determining a staple position based on the fixed range;

the second updating module is used for updating the titanium plate specification based on the position of the fixing nail to obtain the updated titanium plate specification;

It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.

In an embodiment of the present application, as shown in fig. 7, an electronic device 30 shown in fig. 7 includes: a processor 301 and a memory 303. Wherein the processor 301 is coupled to the memory 303, such as via a bus 302. Optionally, the electronic device 30 may also include a transceiver 304. It should be noted that, in practical applications, the transceiver 304 is not limited to one, and the structure of the electronic device 30 is not limited to the embodiment of the present application.

The processor 301 may be a CPU (Central Processing Unit ), general purpose processor, DSP (Digital Signal Processor, data signal processor), ASIC (Application Specific Integrated Circuit ), FPGA (Field Programmable Gate Array, field programmable gate array) or other programmable logic device, transistor logic device, hardware components, or any combination thereof. Which may implement or perform the various exemplary logic blocks, modules, and circuits described in connection with this disclosure. Processor 301 may also be a combination that implements computing functionality, e.g., comprising one or more microprocessor combinations, a combination of a DSP and a microprocessor, etc.

Bus 302 may include a path to transfer information between the components. Bus 302 may be a PCI (Peripheral Component Interconnect, peripheral component interconnect Standard) bus or an EISA (Extended Industry Standard Architecture ) bus, or the like. Bus 302 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in fig. 7, but not only one bus or type of bus.

The Memory 303 may be, but is not limited to, a ROM (Read Only Memory) or other type of static storage device that can store static information and instructions, a RAM (Random Access Memory ) or other type of dynamic storage device that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read Only Memory ), a CD-ROM (Compact Disc Read Only Memory, compact disc Read Only Memory) or other optical disk storage, optical disk storage (including compact discs, laser discs, optical discs, digital versatile discs, blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.

The memory 303 is used for storing application program codes for executing the present application and is controlled to be executed by the processor 301. The processor 301 is configured to execute the application code stored in the memory 303 to implement what is shown in the foregoing method embodiments.

Among them, electronic devices include, but are not limited to: mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., in-vehicle navigation terminals), and the like, and stationary terminals such as digital TVs, desktop computers, and the like. But may also be a server or the like. The electronic device shown in fig. 7 is only an example and should not impose any limitation on the functionality and scope of use of the embodiments of the present application.

The present application provides a computer readable storage medium having a computer program stored thereon, which when run on a computer, causes the computer to perform the corresponding method embodiments described above. Compared with the prior art, the method and the device have the advantages that the number of defective teeth, the positions of the defective teeth and the shape of each defective tooth can be determined through the tooth arrangement information and the jaw model, so that the positions of the implants can be simply and conveniently determined according to the tooth arrangement information, vertical bone increment filling and horizontal bone increment filling are carried out on the jaw model according to the positions of the implants, the updated jaw model can provide a planting foundation for the implants, the coverage surface of the titanium plate is determined according to the positions of the implants on the surface of the updated jaw model, smooth processing is carried out on the surface of the updated jaw model, the design area surface of the titanium plate is smoother, the fitting degree of the titanium plate and the coverage surface is increased, the specification of the titanium plate can be accurately determined according to the updated jaw model, the design area and the implants, 3D printing equipment is controlled according to the determined specification of the titanium plate, compared with the prior art, the doctor manually bends the titanium plate according to the jaw model of an actual patient to carry out titanium plate manufacturing of the patient, the titanium plate manufacturing of the patient is higher in the efficiency of the titanium plate is obtained, and the titanium plate model is obtained.

It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the flowcharts of the figures may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily being sequential, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.

The foregoing is only a partial embodiment of the present application and it should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A method of personalizing a 3D printed titanium plate, comprising:

acquiring tooth arrangement information of a patient and a jaw model;

smoothing the coverage surface to obtain a design area of the titanium plate;

determining a titanium plate specification according to the updated jawbone model and the design area, wherein the titanium plate specification comprises the length, the height and the width of a titanium plate;

2. The method of personalizing a 3D printed titanium plate according to claim 1, wherein the determining a titanium plate specification from the updated jaw model and the design area comprises:

3. The method of personalizing a 3D printed titanium plate of claim 2, wherein the determining the titanium plate specification based on the secondarily updated jaw model, the design area, and the implant location comprises:

4. A method of personalizing a 3D printed titanium sheet according to claim 3, wherein the controlling the 3D printing device to print based on the titanium sheet specifications comprises:

matching the jaw model after the secondary updating with the specification of the titanium plate to obtain a matched jaw model;

5. The method of personalizing a 3D printed titanium plate of claim 1, wherein determining implant location based on the tooth placement information comprises:

determining bone mass, bone density, and bone status at the location of the defective tooth based on the tooth placement information and the jaw model;

6. The method of personalizing a 3D printed titanium sheet of claim 1, wherein the titanium sheet gauge further comprises a titanium sheet thickness, the titanium sheet thickness ranging from 0.1 mm to 2mm inclusive.

7. The method of personalizing a 3D printed titanium sheet of claim 1, wherein the titanium sheet gauge further comprises staple locations, the method further comprising:

determining a fixed range based on the adjacent tooth root, the tooth nerve position, and the design area;

determining the staple position based on the fixed range;

8. An apparatus for personalizing a 3D printed titanium sheet, comprising:

9. An electronic device, comprising:

at least one processor;

a memory;

at least one application program, wherein the at least one application program is stored in the memory and configured to be executed by the at least one processor, the at least one application program: method for performing a personalized 3D printed titanium sheet according to any of claims 1-7.

10. A computer readable storage medium having stored thereon a computer program, characterized in that the computer program, when executed in a computer, causes the computer to perform a method of personalizing a 3D printed titanium sheet according to any of claims 1-7.