WO2021182754A1 - Method and device for establishing plan of dental implant surgery - Google Patents

Abstract

Disclosed are a method and a device for establishing a plan of dental implant surgery. An embodiment provides a method and a device for establishing a plan of dental implant surgery, wherein, when a plan of implant surgery is established by using guide design software, a process for guide design comprises three automated steps including a preparation step for design, a design step, and an output step, thereby minimizing the process.

Description

Dental implant surgery plan establishment method and device

The present invention relates to a dental image processing technology, and more particularly, to a dental image processing technology for establishing a dental implant surgery plan.

When performing dental implant surgery, an implant surgery plan is established using software prior to surgery. In general, the dental implant surgery planning process using software acquires the patient's CT data and scan data, matches them, and considers the patient's anatomical structure for implant structures (e.g., crowns, fixtures, abutments, anchor pins). etc.) to establish a surgical plan to determine the position, and to design a surgical guide shape based on the plan information.

In general, this process consists of registration of CT data and oral model data, creation of arch line, creation of neural tube, crown positioning and shape design, fixture positioning, anchor pin positioning, and guide shape design. It consists of a process that performs work through manipulation, and moves to the next step only when step-by-step work is completed.

According to an embodiment, when the guide design process for implant surgery using software is configured in three steps of a preparation step, a design step, and an output step for guide design in an automated manner, and modifications occur in each step and change is required We propose a method and device for establishing a dental implant surgery plan that can minimize the steps for guide design by providing a process that can be selectively fine-tuned only to a dental implant.

The method of establishing a dental implant surgery plan according to an embodiment includes the steps of automatically preparing data and information necessary for guide design to provide an automation-based preparation result screen, positioning of the implant structure using the prepared data and information, and It includes the steps of automatically performing the guide design to provide an automation-based design result screen, and automatically performing the final design data output to provide an automation-based output result screen.

In the step of providing the preparation result screen, data matching for guide design, arch line generation, and neural tube generation functions can be automated to provide automated results through a single preparation result screen.

In the stage of providing the design result screen, crown determination, fixture determination, anchor pin determination, and guide area creation functions can be automated to provide automation results through a single design result screen.

In the step of providing the output result screen, the final design data output and surgery report output function can be automated to provide the automated result through a single output result screen.

In the step of providing the preparation result screen, when the guide design software is linked with the patient management program, when a patient for guide design is selected and input, the patient management program loads the selected patient data to provide the preparation result screen, and guide design In the case of running the software alone, the preparation result screen can be provided through the patient registration and data registration process.

In the step of providing a design result screen, a design result screen including a first area, a second area and a third area is provided, and the first area is a 3D shape on the oral model data with a crown, fixture, anchor pin position and A region for creating a designed guide is provided, the second region may provide a 2D cross-section with the shape of the fixture and crown for each tooth number, and the third region may provide an implanted anchor pin shape in a 2D cross-section. In the second area, as the number of selected tooth numbers increases, the number of each screen increases in proportion to it, and the fixture and crown shape corresponding to all tooth numbers are provided in 2D cross section in a single design result screen, which is the main screen, in a 2D section. If the number of anchor pins to be implanted increases, the number of each screen increases in proportion to it, and the entire anchor pin can be provided as a 2D cross section in a single design result screen, which is the main screen.

The step of providing the design result screen includes additionally providing a panoramic image on the design result screen according to the user selection signal input, and when the arch line passes the area where the fixture or other object is located, the panoramic image is displayed. The method may further include a step in which a fixture or an object is expressed.

The step of providing the design result screen further includes the step of providing the panoramic image so that the user can check the desired image by adjusting the thickness region to generate the panoramic image based on the arch line by the user setting signal input. may include

The providing of the design result screen may further include providing so that the user can check the shape of a fixture or object at a desired cross-sectional position while adjusting the cross-section of the panoramic image in response to a user manipulation signal input.

In the step of providing the design result screen, the maxillary sinus area is displayed on the design result screen according to the user selection signal input, and the maxillary sinus collision area is created with a radius equal to the number set based on the lowest point of the implanted fixture. The method may further include providing volume information of the region.

The dental implant surgery plan establishment method activates the fine adjustment screen for the preparation results of the data matching, maxillary arch line, and neural tube line on the preparation result screen, performs adjustments by user manipulation on the activated fine adjustment screen, and reflects the adjustment results. In the step of providing the preparation result screen, the fine adjustment screen is activated for the design result of crown determination, fixture determination, anchor pin determination, and guide area creation of the design result screen, and adjustment is performed by user manipulation on the activated fine adjustment screen. The method may further include at least one of performing and providing a design result screen reflecting the adjustment result.

Dental implant surgery plan establishment device according to another embodiment, a preparation function unit for providing an automation-based preparation result screen by automatically performing a preparation step including preparation of data and information necessary for guide design, and the prepared data and information The design function section provides an automation-based design result screen by automatically performing the design steps including positioning the implant structure and designing the guide, and provides an automation-based output result screen by automatically performing the output steps including outputting the final design data. It includes an output function unit.

The preparation function unit automates the data matching, arch line generation, and neural tube generation functions for guide design and can provide the automation result through a single preparation result screen, and the design function unit determines crown, fixture, anchor pin and guide area. By automating the generation function, the automation result can be provided through a single design result screen, and the output function unit can provide the automation result through a single output result screen by automating the final design data output and surgery report output function.

The device for establishing a dental implant surgery plan outputs an automated result in each of the preparation stage, design stage, and output stage, and after user confirmation, if correction is required, it provides a fine-tuning screen of the item selected by the user so that user adjustment is possible. It may further include a fine adjustment unit for outputting the reflected final result.

When establishing an implant surgery plan using guide design software, the process for guide design can be minimized by composing the process for guide design into three stages: a preparation stage for design, a design stage and an output stage, based on automation.

Furthermore, it is possible to provide a function for fine-tuning the automation result in each step so that the user can modify the automation result only when necessary and output the final guide and surgery report.

1 is a view showing the configuration of a dental implant surgery plan establishment apparatus according to an embodiment of the present invention;

2 is a view showing the flow of a dental implant surgery plan establishment method according to an embodiment of the present invention;

3 is a view showing a result screen of a preparation step including loading data of a selected patient according to an embodiment of the present invention;

4 is a view showing a new patient registration and patient data registration screen in the preparation stage according to an embodiment of the present invention;

5 is a view showing an example of tooth number selection in the preparation step according to an embodiment of the present invention;

6 is a view showing a matching result fine adjustment screen according to an embodiment of the present invention;

7 is a view showing a preparation result screen in which fine adjustment of the matching result is performed according to an embodiment of the present invention;

8 is a view showing a screen for fine adjustment of the arch line according to an embodiment of the present invention;

9 is a view showing a neural tube fine-tuning screen according to an embodiment of the present invention;

10 and 11 are views showing a result screen of the design step according to an embodiment of the present invention;

12 is a view showing a design result screen in which a panoramic image is activated according to an embodiment of the present invention;

13 is a view showing an example of adjusting the thickness of a panoramic image according to an embodiment of the present invention;

14 is a view showing an example of changing a panoramic image section according to an embodiment of the present invention;

15 is a view showing a crown fine adjustment screen according to an embodiment of the present invention;

16 is a view showing a design result screen in which fine adjustment for crown positioning is performed according to an embodiment of the present invention;

17 is a view showing a fixture fine adjustment screen according to an embodiment of the present invention;

18 is a view showing a design result screen on which fine adjustment of fixture positioning is performed according to an embodiment of the present invention;

19 is a view showing a split screen of the maxillary sinus according to an embodiment of the present invention;

20 is a view showing an anchor pin fine adjustment screen according to an embodiment of the present invention;

21 is a view showing a design result screen in which fine adjustment for anchor pin positioning is performed according to an embodiment of the present invention;

22 is a view showing a guide fine adjustment screen according to an embodiment of the present invention;

23 is a view showing a design result screen in which fine adjustment of guide positioning is performed according to an embodiment of the present invention;

24 is a view showing a result screen of an output step according to an embodiment of the present invention;

25 is a diagram illustrating a surgical report of an output step according to an embodiment of the present invention.

Advantages and features of the present invention, and a method for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains. It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

In the description of the embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description will be omitted, and the terms to be described later are used in the embodiment of the present invention. These terms are defined in consideration of the function of Therefore, the definition should be made based on the content throughout this specification.

Each block in the accompanying block diagram and combinations of steps in the flowchart may be executed by computer program instructions (execution engine), which computer program instructions are executed by the processor of a general-purpose computer, special-purpose computer, or other programmable data processing device. It may be mounted so that its instructions, which are executed by the processor of a computer or other programmable data processing device, create means for performing the functions described in each block of the block diagram or in each step of the flowchart.

These computer program instructions may also be stored in a computer-usable or computer-readable memory that may direct a computer or other programmable data processing device to implement a function in a particular manner, and thus the computer-usable or computer-readable memory. It is also possible for the instructions stored in the block diagram to produce an article of manufacture containing instruction means for performing a function described in each block of the block diagram or each step of the flowchart.

And since the computer program instructions may be mounted on a computer or other programmable data processing device, a series of operational steps is performed on the computer or other programmable data processing device to create a computer-executable process to create a computer or other programmable data processing device. It is also possible that the instructions for performing the data processing apparatus provide steps for executing the functions described in each block of the block diagram and each step of the flowchart.

In addition, each block or step may represent a module, segment, or portion of code comprising one or more executable instructions for executing specified logical functions, and in some alternative embodiments the blocks or steps referred to in the block or steps. It should be noted that it is also possible for functions to occur out of sequence. For example, it is possible that two blocks or steps shown one after another may be performed substantially simultaneously, and also the blocks or steps may be performed in the reverse order of the corresponding functions, if necessary.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the embodiments of the present invention illustrated below may be modified in various other forms, and the scope of the present invention is not limited to the embodiments described below. The embodiments of the present invention are provided to more completely explain the present invention to those of ordinary skill in the art to which the present invention pertains.

1 is a view showing the configuration of a dental implant surgery plan establishment apparatus according to an embodiment of the present invention.

Referring to FIG. 1 , a dental implant surgery plan establishment device (hereinafter, referred to as a 'device') 1 establishes an implant surgery plan for dental treatment. The user may proceed with implant surgery after simulating the established implant surgery plan.

The device 1 is an electronic device capable of executing a medical image processing program. The electronic device includes a computer, a notebook computer, a laptop computer, a tablet PC, a smart phone, a mobile phone, a personal media player (PMP), and personal digital assistants (PDA). Medical image processing programs include guide design programs, scan programs, and CAD programs. In addition, it can be applied to programs for general medical image processing other than for implant surgery. Hereinafter, for convenience of explanation, the guide design program for implant surgery will be described as an example, but as long as image processing is possible, it is of course also applicable to other programs.

The device 1 according to an embodiment automates and minimizes the process when establishing an implant surgery plan using guide design software. That is, the process consists of a total of three stages: a preparation stage for design, a design stage, and an export stage. Select tooth number for guide design, data registration, arch line creation, neural tube creation, crown positioning and shape design, fixture positioning, anchor pin positioning, guide shape design, final design data output step and function of each step , the preparation stage, the design stage, and the output stage.

Hereinafter, the configuration of the device 1 having the above-described characteristics will be described in detail later.

Referring to FIG. 1 , an apparatus 1 according to an embodiment includes a data acquisition unit 10 , a storage unit 12 , a control unit 14 , an input unit 16 , and an output unit 18 .

The data acquisition unit 10 acquires image data. For example, CT data and scan data are acquired from the patient, including the patient's damaged teeth. The image data may be in a two-dimensional or three-dimensional form. The data acquisition unit 10 executes the CT data and the scan data in a program or loads data stored in a web page and a server in order to match the patient's CT data and the scan data.

The scan data is data having information on actual teeth including damaged teeth. The scan data may be dental model scan data obtained by scanning a plaster model created by imitating a patient's oral cavity with a 3D scanner. As another example, it may be oral scan data obtained by scanning the inside of the patient's oral cavity using a 3D intra-oral scanner. The acquired scan data may be stored in the storage unit 12 .

For CT data, computed tomography (CT) may be used to generate tomographic images of the patient's head, and each tomography image may be combined to obtain a 3D image. The acquired CT data may be stored in the storage unit 12 .

The scan data and CT data are images obtained by imaging the maxillary teeth under the maxillary teeth with the patient’s mouth open, images obtained by imaging the mandibular teeth above the mandibular teeth with the patient’s mouth open, and images obtained by imaging local areas with the mouth closed , oral radiographs, etc.

The storage unit 12 stores various data such as information necessary for performing the operation of the device 1 and information generated according to the operation of the device 1 . The storage unit 12 according to an embodiment stores scan data and CT data of individual patients, and controls the scan data and CT data of a specific patient from among all scan data and CT data during a dental treatment simulation according to a user's request. (14) can be provided. At this time, the storage unit 12 stores the image of the upper and lower teeth of an individual patient, and the image of the upper and lower teeth matched to the scan data and CT data of a specific patient is displayed according to the user's request. It may be provided to the control unit 14 .

The control unit 14 controls each component through control by a computer program. The controller 14 may manage screen information displayed on the screen through the output unit 18 and perform a simulation of implanting a virtual fixture object in a dental image. A dental image in which a virtual fixture object is placed means a two-dimensional, three-dimensional, or the like, multi-dimensional image in which a patient's tooth arrangement is generated for establishing an implant surgery plan. Various types of images such as X-ray, CT, MRI, panoramic images, oral scan data, images generated through reconstruction, and images obtained by matching multiple images can be used for implant surgery planning. The dental image may be referred to as an oral image, a tooth image, or the like.

The control unit 14 according to an embodiment includes a preparation function unit 140 , a design function unit 142 , and an output function unit 144 , and may further include a fine adjustment unit 146 .

The preparation function unit 140 provides an automation-based preparation result screen by automatically performing preparation steps including preparation of data and information required for guide design. The preparation function unit 140 may automate data matching for guide design, arch line generation, and neural tube generation functions to provide an automated result through a single preparation result screen.

The preparation function unit 140 may automatically load patient data from the patient management program or directly register the data according to whether the guide design software is linked with the patient management program or the guide design software is executed alone. For example, when the guide design software is linked with a patient management program, when a patient for guide design is selected, the patient management program loads the selected patient's data and provides a preparation result screen. When the guide design software is executed alone, the preparation result screen is provided through the patient registration and data registration process. An example of the preparation result screen will be described later with reference to FIG. 3 .

The design function unit 142 provides an automation-based design result screen by automatically performing a design step including positioning and guide design of the implant structure using the data and information prepared in the preparation function unit 140 . The design function unit 142 may provide an automated result through a single design result screen by automating the crown determination, fixture determination, maxillary sinus automatic division, anchor pin determination, and guide region creation functions.

The design result screen may include a first area, a second area, and a third area. At this time, the first area provides the crown, fixture, anchor pin position and the designed guide creation area on the oral model data in 3D shape, and the second area provides the fixture and crown shape by tooth number in 2D cross section, , the third region may provide the implanted anchor pin shape as a 2D cross-section. In the second area, when the number of selected tooth numbers increases, the number of each screen increases in proportion to it, and the fixture and crown shape corresponding to all tooth numbers in a single design result screen, which is the main screen, can be provided in 2D cross section. In the third area, when the number of anchor pins to be implanted increases, the number of each screen increases in proportion to it, and the entire anchor pin can be provided in a 2D cross-section in a single design result screen, which is the main screen. An example of the design result screen will be described later with reference to FIGS. 10 and 11 .

The output function unit 144 automatically performs an output step including outputting the final design data to provide an automation-based output result screen. The output function unit 144 may provide an automated result through a single output result screen by automating the final design data output and surgery report output function. The result screen of the output step will be described later with reference to FIG. 24 .

The fine adjustment unit 146 outputs the automation results in the preparation stage, the design stage, and the output stage, respectively, and after user confirmation, if correction is necessary, the fine adjustment screen of the item selected by the user is provided, and the final adjustment reflected by the user adjustment print the result For example, the fine adjustment screen is activated for the preparation results of data matching, arch line, and neural tube line on the preparation result screen, and adjustment is performed by user manipulation on the activated fine adjustment screen, and the preparation result screen reflecting the adjustment result is displayed. to provide. As another example, the fine adjustment screen is activated for the design results of crown determination, fixture determination, anchor pin determination, and guide area creation on the design result screen, and adjustments are performed by user manipulation on the activated fine adjustment screen and the adjustment results are reflected. Design result screen is provided.

The input unit 16 receives a user command. For example, a user operation signal in the result screen of each step, a user selection signal in the opacity adjustment area, a user operation signal for fine adjustment, and a user setting signal such as a panoramic image thickness setting are input. .

The output unit 18 displays various information on the screen. In this case, the output unit 18 may provide a work result screen. The work result screen is a screen generated according to the execution of the work, and includes a preparation result screen, a design result screen, and an output result screen. Furthermore, the output unit 18 may additionally display a detailed confirmation and fine adjustment screen according to a user selection in each result screen.

2 is a view showing the flow of a dental implant surgery plan establishment method according to an embodiment of the present invention.

1 and 2, the device 1 according to an embodiment automates and minimizes the process when establishing an implant surgery plan using guide design software. That is, the process consists of a total of three steps, a design preparation step (S210), a design step (S220), and an output step (S230). Select tooth number for guide design, data registration, arch line creation, neural tube creation, crown positioning and shape design, fixture positioning, anchor pin positioning, guide shape design, final design data output step and function of each step , as shown in FIG. 2 , a preparation step ( S210 ), a design step ( S220 ), and an output step ( S230 ) are simplified to a total of three steps.

By providing the function of fine-tuning the automation result in each step, it can be provided to output the final guide and surgical report by allowing the user to modify the automation result only when necessary. For example, using an automation algorithm, the result is first output at each step, and after user confirmation, if correction is required, a fine adjustment screen of the selected item is provided and the user adjusts and outputs the final result reflecting this.

In the preparation step (S210), the device 1 provides basic information so that the implant structure can be placed by data matching, including the selection of the patient to be treated, the creation of the arch line, the selection of the tooth number, and the neural tube line in the case of the mandible and provides results by automating each function.

In the design step (S220), the device 1 provides results by automating the positioning function of the implant structure (crown, fixture, anchor pin) and the function of designing the guide shape based on this.

In the output step (S230), the device 1 provides a surgical report automatically generated in the form of a report form the final guide shape and surgery plan information.

Hereinafter, each step will be described in detail with reference to the drawings to be described later.

3 is a diagram illustrating a result screen of a preparation step including loading data of a selected patient according to an embodiment of the present invention.

Referring to FIGS. 1 and 3 , the process of loading patient information can be divided into a case in which the guide design software is executed in conjunction with a patient management program and a case in which only the guide design software is used alone. The patient management program basically includes patient information, tooth number information to be implanted, and patient image data. Therefore, when interworking with the patient management program, when a patient for guide design is selected, the preparation step including loading the selected patient's data is automatically performed as shown in FIG. 3 to provide an automation-based preparation result screen 300 . The preparation result screen 300 includes a matching result 301 of CT data and oral model data, a result of generating a jaw line, a result of selecting a tooth number, and a result of generating a neural tube line in the case of the mandible. Each result may be provided through a panoramic image 303 , a 2D image 302 , an opacity adjustment area 304 , and the like. The transparency adjustment area 304 provides a user manipulation tool that can move, rotate, and the like, an arch line adjustment tool, and transparency and show/hide of each object. For example, it is possible to show or hide images for tooth segmentation, scan data, panoramic images, neural tubes, and the like. A tool is a graphical user interface that can be manipulated by a user action (click, touch, etc.), and includes, for example, a button, an icon, a manipulation bar, a check box, a menu, and the like.

The patient's data to be loaded may basically be CT data and oral model data recently taken using the information contained in the data, and may be automatically selected by the software. When data change is desired, the user can select and change the data, and even when the changed data is loaded, the same functions in the preparation stage are automated and a result screen is provided.

4 is a diagram illustrating a new patient registration and patient data registration screen in the preparation stage according to an embodiment of the present invention.

Referring to FIGS. 1 and 4 , when the guide design software is executed alone, patient data can be loaded after the process of selecting or registering a patient, so the patient management screen 400 provided in the preparation step ( S210 ) ) to register a patient or select a registered patient. It is possible to register multiple surgical cases for a registered or selected patient. When registering a surgical case, the patient's CT data and oral model data stored in local or external memory can be loaded. In the case of adding a surgical case to an already registered patient, as described above with reference to FIG. 3, data recently taken using the CT data and oral model data included in the patient data item are loaded in the software and , if the user wants to change the data, the user selects the data and changes it. When data is loaded in the same way, in the preparation step (S210), the device 1 automatically performs a data matching function, a jaw line generation function, and a neural tube line generation function to provide a prepared result.

Each of the automation functions performed using the algorithm in the preparation stage is defined. Automated functions in the preparation stage include data automatic matching function, jaw line generation function, neural tube line generation function, tooth number generation function, and the like.

Performing the automatic data registration function of the device 1 Secondary matching is performed based on sound information in the same region.

Performing the function of generating the arch line of the device 1 For example, based on the tooth area of the upper/mandibular matched data, the arch shape of the alveolar bone is recognized using the density information (Density) of the CT data to generate the arch line.

Performing the neural tube line generation function of the device 1 For example, in the case of the mandible, the lower part of the area corresponding to the 4th, 5th, and 6th teeth based on the segmented tooth area in the 2D image of the panoramic image or CT data A region connected with the same density is generated as a neural tube line by detecting the foramen region located in

Performing the tooth number selection function of the device 1 Select and input the tooth number by

The automatic data matching function, the maxillary arch line generation function, the neural tube line generation function, and the tooth number selection automation function of the device 1 described above are merely exemplary embodiments for helping understanding of the present invention, but are not limited thereto.

When it is necessary to fine-tune the results of data matching, arch line, and neural tube line provided by the device 1 using an automation algorithm, select the item to be adjusted by user manipulation, activate the corresponding fine adjustment screen, and adjust After that, the result reflecting the adjustment result is provided.

5 is a view showing an example of tooth number selection in the preparation step according to an embodiment of the present invention.

1 and 5, the device 1 selects the tooth number 500, and as shown in FIG. 5, the image data, for example, the area from which the tooth is extracted from the panoramic image 303 in the software. It is recognized and automatically selected, or the user manually selects the tooth to be treated.

6 is a diagram illustrating a matching result fine adjustment screen according to an embodiment of the present invention.

1 and 6 , the device 1 may fine-tune the matching result of the CT data and the oral model data. In order to adjust the matching result, as the user selects the 2D image 302 of an area to be adjusted on the preparation result screen 300 , the matching result fine adjustment screen 310 may be activated. In the activated registration result fine adjustment screen 310, for example, the user moves the position or direction of the cross section 312 of the oral model data in a drag-and-drop manner, or rotates the position, or sets the position or direction by a mouse click method as much as a preset number. Adjust. However, this is only an example to help the understanding of the present invention, and the matching result fine adjustment method may be performed on CT data, and a user manipulation method may be used in various ways.

7 is a diagram illustrating a preparation result screen in which fine adjustment of a matching result is performed according to an embodiment of the present invention.

Referring to FIG. 7 , as described above with reference to FIG. 6 , when the user selects the fine adjustment result application button 314 or the return to the previous main screen button on the registration result fine adjustment screen 310, the registration result It is switched to the preparation result screen 300 to which the fine adjustment result is applied.

8 is a diagram illustrating a screen for fine-tuning the arch line according to an embodiment of the present invention.

1 and 8 , the device 1 may fine-tune the result of generating the arch line. For example, when the user selects the arch line tool in the transparency adjustment area 304 on the preparation result screen 300 , the arch line fine adjustment screen 320 is activated. The maxillary arch line 322 may be automatically or manually finely adjusted on the oral data or CT data of the maxillary arch line fine adjustment screen 320 . The arch line fine adjustment screen 320 includes a panoramic image 303 generated based on the arch line 322 , and a tooth number can be selected from the panoramic image 303 .

9 is a diagram illustrating a neural tube fine-tuning screen according to an embodiment of the present invention.

1 and 9 , when the user selects a neural tube line fine adjustment in the panoramic image 303 in the preparation result screen or selects the neural tube tool in the transparency adjustment area 304, the device 1 ) additionally provides an enlarged neural tube fine-tuning screen 330 for fine-tuning the neural tube line. When the fine adjustment is completed on the neural tube fine adjustment screen 330, as described above with reference to FIG. 7, by selecting the return button 314 to the user's main screen, it is possible to return to the preparation result screen in which the fine adjustment result is reflected. have.

Fine adjustment of the arch line, tooth number selection, and neural tube line fine adjustment can be performed on one and the same screen, but the method of activating separate fine adjustment screens is also applied.

10 and 11 are diagrams illustrating result screens of a design step according to an embodiment of the present invention.

1, 10, and 11, the device 1 automatically performs the positioning function of the implant structure (crown, fixture, anchor pin) and the guide shape design function based on this, and then design according to the performance A result screen is provided.

The design result screen 1000 includes a first area 1002 , a second area 1004 , and a third area 1006 .

The first region 1002 provides a 3D shape to express the position of crown, fixture, anchor pin, and the generated region of the designed guide on the oral model data so that the user can check the plan information in the 3D shape. The 3D image can be freely rotated by the user to check the entire 3D image, and each object provides transparency and Show/Hide through the transparency adjustment area 304 . The transparency adjustment area 304 provides a user manipulation tool capable of moving, rotating, etc., and transparency and Show/Hide of each object. For example, images of scan data, panoramic image, collision detection, abutment, sinus, neural tube, etc. can be shown or hidden. . A tool is a graphical user interface that can be manipulated by a user action (click, touch, etc.), and includes, for example, a button, an icon, a manipulation bar, a check box, a menu, and the like. In addition to the expressed objects, CT images and guide shapes can also be activated using the transparency adjustment function.

The second area 1004 provides a 2D cross-section to confirm the shape of the fixture and crown by tooth number, and the second area 1004 is a cross image and parallel of CT data showing the fixture as a reference. An image is expressed, and may include an axial image. In the second area 1004, when the number of selected tooth numbers increases, as shown in FIG. 11, the number of each screen increases in proportion to the number of fixtures and crowns corresponding to all tooth numbers in one confirmation screen 1001, which is the main screen. 2D section information is provided so that you can check it.

The third area 1006 provides a 2D cross-section of the implanted anchor pin shape, and the third area 1006 expresses a cross image of CT data showing the anchor pin as a reference, and provides an axial image and a parallel image. may include In the third area 1006, when the number of anchor pins to be implanted increases, as shown in FIG. 11, the number of each screen increases in proportion to it, and 2D cross-section information of all anchor pins is confirmed on one confirmation screen 1001, which is the main screen. provide so that

The third region 1006 may further include a panoramic image. When the user selects the panoramic image activation tool (Panoramic) in the transparency adjustment area 304 of the design result screen, the panoramic image is activated in the third area 1006 . Object information such as fixtures, crowns, and anchor pins can be checked in the generated panoramic image. In addition, while adjusting the cross section of the panoramic image, it is possible to provide so that the user can check the fixture shape at a desired cross section position.

Hereinafter, an automation function using an algorithm in the design stage is briefly defined. Automated functions in the preparation stage include a crown determination function, a fixture determination function, an anchor pin placement function, a guide area creation function, and the like.

Performing the crown determination function of the device 1 For example, by loading the crown shape library for each tooth number included in the software based on the division area of the selected tooth number, it is placed inside the space in contact with the margins of the adjacent tooth and oral model data. to be created

Performing the fixture determination function of the device 1, for example, by first placing a fixture with the generated crown reference axis, and using the gum margin information and the peripheral alveolar bone information of the firstly placed fixture position, the adjacent fixture and the tooth information to the final position and determine the direction of placement. In addition, the fixture specifications load fixtures by tooth number by reflecting the information set by each user, and if the fixture collides with an anatomical structure that is a risk factor, the software can arbitrarily adjust the fixture specifications and present the results. .

Performing the anchor pin placement function of the device 1, for example, using the selected tooth number information to determine whether or not to place the anchor pin and the placement direction of the upper/lower jaw, using information such as adjacent fixtures and remaining teeth and arch line The placement location and placement direction are finally decided.

Performing the guide region generating function of the device 1 For example, determining the generating position of the guide hole based on the implanted fixture reference axis, and determining the upper and lower guide generating regions based on the guide hole.

The crown determination function, the fixture determination function, the anchor pin placement function, and the guide region generation function of the above-described device 1 are merely exemplary embodiments for helping understanding of the present invention, but are not limited thereto.

12 is a diagram illustrating a design result screen in which a panoramic image is activated according to an embodiment of the present invention.

Referring to FIG. 12 , when the user selects the panoramic image activation tool (Panoramic) in the tool bar or the transparency adjustment area 304 of the design result screen, as shown in FIG. 12 , the panoramic image is displayed on the design result screen. An image 1008 is displayed.

The thickness of the panoramic image 1008 can be set in advance by a user, and is displayed as an example of a thickness of 10.0 mm in FIG. 12 . The panoramic image 1008 is generated using a cross section through which the arch line passes in the CT image in the axial direction. 1008) can represent fixtures and additional objects.

13 is a diagram illustrating an example of adjusting the thickness of a panoramic image according to an embodiment of the present invention.

Referring to FIG. 13 , the panoramic image 1008 generated based on the 3D CT image is expressed in the form of a single cross-sectional image based on the arch line 22 , but in the CT cross-sectional image, the arch line 22 is the reference. By adjusting the thickness region 21 in which to generate a panoramic image, the panoramic image 1008 expressed in one sheet can be adjusted to a desired image by the user.

A panoramic image with a thickness of 0.0mm contains information only on the area through which the arch line passes, whereas a panoramic image with a thickness of 10.0mm includes an area up to 5mm inward and outward from the arch line. The displayed area is wide. The higher the thickness, the more information included in the panoramic image 1008, but the overlapping images make it difficult to clearly see a desired area.

Briefly, a panoramic image with a high thickness is expressed in the form of a general X-ray, and a panoramic image with a thickness of 0.0mm can be understood as a CT image section of one of hundreds of CT images. .

14 is a diagram illustrating an example of changing a panoramic image section according to an embodiment of the present invention.

Referring to FIG. 14 , the panoramic image 1008 is an image generated based on a CT image in the axial direction or an arch line 31 generated from 3D oral model data, and the arch line 31 is a fixture Alternatively, when an area in which another object is located is passed, a fixture or an object is expressed in the panoramic image 1008 . When the position of the arch line 31 is changed, the generated panoramic image 1008 is also changed, and accordingly, an object including a fixture may not be expressed in the image.

14 shows the image when the panoramic image generated in the form of a slice image is checked one by one, and at this time, the axial image maintains the arch line shape and the sectional position expressing the panoramic image is changed do. In this case, the area where the panoramic arch line 31 passes through the fixture and the object is expressed in the panoramic image 1008, and the shape of the fixture and the object expressed as shown in FIG. 14 is not changed or expressed. may not be In FIG. 14 , reference numeral 32 denotes a reference arch line, and reference numeral 31 denotes a panoramic creation arch line.

15 is a view showing a crown fine adjustment screen according to an embodiment of the present invention.

1 and 15 , the device 1 may fine-tune the crown position in the design stage result. For example, a crown object to be adjusted is selected and inputted on the 3D image or the 2D image 1002 , 1004 , 1006 in the design result screen 1000 to activate the crown fine adjustment screen 1010 . In the activated crown fine adjustment screen 1010 , the user can adjust the position by moving/rotating the crown in a drag-drop manner. You can also adjust the crown in the same way by selecting the crown object or tooth number and activating the manipulator so that the selected crown can be fine-tuned.

16 is a diagram illustrating a design result screen in which fine adjustment for crown positioning is performed according to an embodiment of the present invention.

Referring to FIG. 16 , upon receiving a selection input such as a button 1010 for applying a fine adjustment result or a button to return to the previous main screen on the crown fine adjustment screen 1010, the design result screen to which the fine adjustment result for crown positioning is applied (1000).

17 is a diagram illustrating a fixture fine adjustment screen according to an embodiment of the present invention.

1 and 17 , the device 1 may fine-tune the fixture position in the design stage result. For example, a method in which a user selects a first area 1002 including a 3D image or a fixture object on the first area 1002 in the design result screen 1000, and a second area including a 2D image The fixture fine adjustment screen 1020 is activated through a method of selecting 1004 or selecting a fixture object on the second area 1004 . On the activated fixture fine-tuning screen 1020 , the user may move/rotate a fixture in a drag-and-drop manner, or adjust the position/direction by clicking a mouse by a preset number.

18 is a diagram illustrating a design result screen on which fine adjustment of fixture positioning is performed according to an embodiment of the present invention.

Referring to FIG. 18 , when a fine adjustment result application button 1022 or a return button to the previous main screen is selected and input is received on the fixture fine adjustment screen 1020, the design result screen to which the fine adjustment result for fixture positioning is applied (1000). If the fixture position/direction is applied as a result of a change, the fixture drilling hole of the generated guide may also be re-determined based on the fixture.

19 is a diagram illustrating a split screen of the maxillary sinus according to an embodiment of the present invention.

Referring to FIG. 19 , when moving from the preparation stage to the design result confirmation stage, the position of the fixture is determined, so that when the fixture is placed in the maxilla, the maxillary sinus division is automatically performed.

The maxillary sinus division is the maxillary sinus collision area (circular in 2D cross section) having a radius as much as a value set based on the lowest point of the implanted fixture when a fixture is placed on a predetermined tooth (eg, tooth 6 or 7) of the maxilla. , to provide volume information (3D volume) of the maxillary sinus impact area by generating a spherical shape in the 3D image.

As shown in FIG. 19, the entire maxillary sinus 40 is divided, and the maxillary sinus impact area 42 corresponding to a set value (eg, 4 mm in FIG. 19) is further divided, and the volume of the maxillary sinus impact area 44 is provide information.

Basically, in the design result confirmation step, the maxillary sinus segmentation information is not expressed, and when the user activates the maxillary sinus tool in the transparency adjustment area of the design result screen (Sinus), the device automatically divides the maxillary sinus collision area 44 and its Provides volume information. This information can be provided on the design results screen and the fixture fine-tuning screen.

In addition, the radius of the circle or sphere of the divided maxillary sinus collision region 44 can be changed by the user on a tool provided on each screen, and the changed value is applied to express the circle and volume.

20 is a view showing an anchor pin fine adjustment screen according to an embodiment of the present invention.

1 and 20 , the device 1 may fine-tune the anchor pin position in the design stage result. For example, in the third area 1006 of the design result screen 1000, the user selects a 2D image of an anchor pin that the user wants to adjust, or selects an anchor pin object on the 2D image to display the anchor pin fine adjustment screen 1030. Activate it. In the activated anchor pin fine adjustment screen 1030, the user can move/rotate the position of the anchor pin by drag-drop method or adjust the position/direction by a mouse click method by a preset number.

21 is a diagram illustrating a design result screen in which fine adjustment for anchor pin positioning is performed according to an embodiment of the present invention.

Referring to FIG. 21 , when a selection input such as a button 1032 for applying a fine adjustment result or a button to return to the previous main screen is selected on the anchor pin fine adjustment screen 1030, a design to which the fine adjustment result for anchor pin positioning is applied It is switched to the result screen (1000). If the anchor pin position/direction is applied as a result of a change, the anchor pin drilling hole of the generated guide may also be re-determined based on the anchor pin.

22 is a diagram illustrating a guide fine adjustment screen according to an embodiment of the present invention.

1 and 22 , the device 1 may fine-tune the guide area in the design stage result. For example, the user selects a guide area in the 3D image constituting the first area 1002 of the design result screen 1000 to activate the guide fine adjustment screen 1040 . On the activated guide fine-tuning screen 1040 , the user can adjust the area by dragging and dropping the guide area to create a new line, or by moving a point generating a line.

23 is a diagram illustrating a design result screen on which fine adjustment of guide positioning is performed according to an embodiment of the present invention.

Referring to FIG. 23 , when a selection input such as a button 1042 for applying a fine adjustment result or a button to return to the previous main screen is selected on the guide fine adjustment screen 1040, a design result screen to which the fine adjustment result for guide positioning is applied (1000).

24 is a diagram illustrating a result screen of an output step according to an embodiment of the present invention.

Referring to FIGS. 1 and 24 , the device 1 provides the finally generated guide shape 2002 and the surgical report 2004 automatically generated in the form of a report to check the surgical plan information. The guide shape 2002 is a 3D image, and the user can freely rotate it using a mouse drag and drop method to check the final shape.

25 is a diagram illustrating a surgical report of an output step according to an embodiment of the present invention.

Referring to FIG. 25 , the surgery report includes a full surgery report page 2100 and a detailed page 2010 for each tooth number. The full surgery report page 2100 includes full surgery report information. The detailed page 2010 for each tooth number may include detailed information including an image for each tooth number, an image selected or additionally captured by the user, information on the drilling sequence for surgery, user comments, and the like, and may be printed out. When data is output in the output stage, the generated guide is saved in a 3D model data format that can be 3D printed, the surgical report is saved in pdf or other document data format, and both data are saved at the same time when outputting.

So far, the present invention has been looked at focusing on the embodiments thereof. Those of ordinary skill in the art to which the present invention pertains will understand that the present invention can be implemented in modified forms without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is indicated in the claims rather than the foregoing description, and all differences within the scope equivalent thereto should be construed as being included in the present invention.

Claims (15)

1. providing an automation-based preparation result screen by automatically preparing data and information necessary for guide design;

   Providing an automation-based design result screen by automatically performing positioning and guide design of the implant structure using the prepared data and information; and

   automatically performing final design data output to provide an automation-based output result screen;

   Dental implant surgery plan establishment method comprising a.
2. The method of claim 1, wherein the step of providing a preparation result screen comprises:

   A method for establishing a dental implant surgery plan, characterized in that it provides automated results through a single preparation result screen by automating data matching for guide design, arch line generation, and neural tube generation functions.
3. According to claim 1, wherein the step of providing a design result screen

   A method for establishing a dental implant surgery plan, characterized in that it provides automated results through a single design result screen by automating the crown determination, fixture determination, anchor pin determination, and guide area creation functions.
4. The method of claim 1, wherein the step of providing an output result screen comprises:

   A method for establishing a dental implant surgery plan, characterized in that the final design data output and operation report output function are automated to provide the automated result through a single output result screen.
5. The method of claim 1, wherein the step of providing a preparation result screen comprises:

   When the guide design software is linked with the patient management program, when a patient for guide design is selected and input, the patient management program loads the selected patient data and provides a preparation result screen,

   A method for establishing a dental implant surgery plan, characterized in that, when the guide design software is executed alone, a preparation result screen is provided through the patient registration and data registration process.
6. According to claim 1, wherein the step of providing a design result screen

   providing a design result screen including a first area, a second area, and a third area;

   The first region provides the crown, fixture, and anchor pin positions and the creation region of the designed guide on the oral model data in a 3D shape,

   The second area provides the shape of the crown and the fixture by tooth number in 2D cross section,

   The third area is a dental implant surgery plan establishment method, characterized in that providing the implanted anchor pin shape in a 2D cross-section.
7. 7. The method of claim 6,

   In the second area, as the number of selected tooth numbers increases, the number of each screen increases in proportion to it, and provides fixtures and crown shapes corresponding to all tooth numbers in a 2D cross section in a single design result screen, which is the main screen,

   In the third area, when the number of anchor pins to be implanted increases, the number of each screen increases in proportion to it, and the entire anchor pins are provided in a 2D cross-section in a single design result screen, which is the main screen.
8. According to claim 1, wherein the step of providing a design result screen

   additionally providing a panoramic image on a design result screen according to a user selection signal input; and

   expressing the fixture or object in the panoramic image when the arch line passes the area where the fixture or other object is located;

   Dental implant surgery plan establishment method, characterized in that it further comprises.
9. The method of claim 8, wherein the providing of the design result screen comprises:

   providing a panoramic image so that a user can check the desired image by adjusting a thickness region to generate a panoramic image based on the arch line by input of a user setting signal;

   Dental implant surgery plan establishment method, characterized in that it further comprises.
10. The method of claim 8, wherein the providing of the design result screen comprises:

    providing a shape of a fixture or object at a desired cross-sectional position by a user while adjusting the cross-section of the panoramic image in response to a user manipulation signal input;

    Dental implant surgery plan establishment method, characterized in that it further comprises.
11. According to claim 1, wherein the step of providing a design result screen

    Displaying the maxillary sinus region on the design result screen according to the user selection signal input, generating the maxillary sinus collision region having a radius as much as a numerical value set based on the lowest point of the implanted fixture, thereby providing volume information of the maxillary sinus collision region;

    Dental implant surgery plan establishment method, characterized in that it further comprises.
12. The method of claim 1, wherein the dental implant surgery plan establishment method is

    activating the fine adjustment screen for the preparation result of the data matching of the preparation result screen, the arch line, and the neural tube line, performing adjustments by user manipulation on the activated fine adjustment screen, and providing a preparation result screen reflecting the adjustment result; and

    The fine adjustment screen is activated for the design results of crown determination, fixture determination, anchor pin determination, and guide area creation on the design result screen, and adjustments are made by user manipulation on the activated fine adjustment screen, and the design result screen reflects the adjustment results. providing;

    Dental implant surgery plan establishment method, characterized in that it further comprises at least one of.
13. a preparation function unit that automatically performs preparation steps, including preparation of data and information necessary for guide design, to provide an automation-based preparation result screen;

    a design function unit that provides an automation-based design result screen by automatically performing a design step including positioning an implant structure and a guide design using the prepared data and information; and

    an output function unit that automatically performs an output step including outputting the final design data to provide an automation-based output result screen;

    Dental implant surgery planning device comprising a.
14. 14. The method of claim 13, wherein the preparation function is

    By automating data matching for guide design, arch line generation, and neural tube generation functions, automation results are provided through a single preparation result screen,

    The design function department

    By automating the crown determination, fixture determination, anchor pin determination and guide area creation functions, automation results are provided through a single design result screen.

    The output function is

    Dental implant surgery plan establishment device, characterized in that by automating the final design data output and surgery report output function, the automated result is provided through a single output result screen.
15. The method of claim 13, wherein the dental implant surgery planning device is

    In the preparation stage, design stage, and output stage, each of the automation results is output, and after user confirmation, if correction is necessary, a fine adjustment unit that provides a fine adjustment screen of the item selected by the user and outputs the final result reflected by the user adjustment ;

    Dental implant surgery plan establishment device, characterized in that it further comprises.

Images