KR20230018796A - Guide design method and guide design device for implant surgery - Google Patents

Abstract

A guide design method for an implant procedure according to an embodiment of the present invention includes the steps of: determining an implantation plan for an implant structure including a fixture, a crown, and an abutment based on oral data of a patient; and designing a guide to be used for an implant procedure based on the determined implantation plan for the implant structure.

Description

Guide design method and guide design device for implant surgery {GUIDE DESIGN METHOD AND GUIDE DESIGN DEVICE FOR IMPLANT SURGERY}

The present invention relates to a guide design method and a guide design device for implant surgery.

The implant treatment process using software involves securing the patient's CT data and oral model scan data, and then determining the position of the implant structure (crown, fixture, abutment, etc.) in consideration of the patient's anatomical structure. It includes the process of establishing a procedure plan and designing a procedure guide based on the plan information.

In the conventional case, the process of designing a surgical guide is generally the matching of CT data and scan data, the creation of the arch line, the creation of the lower alveolar neural canal, the location of the crown (temporary crown), the location of the fixture, and the abutment. It consists of determining the specifications of the anchor pin, determining the position of the anchor pin, and designing the shape of the guide. Work is performed through user manipulation at each stage, and the process can be moved to the next step only when the work on the previous step is completed. There was an inconvenience that it was complicated.

Accordingly, in order to solve the inconvenience caused by designing the surgical guide, it is necessary to simplify the steps for designing the surgical guide and minimize the user's intervention in each step.

The problem to be solved by the present invention is to provide a guide design method and guide design device for implant surgery.

The problem to be solved by the present invention is to provide a guide design method and guide design device that simplify and automate the guide design process for implant surgery.

The problem to be solved by the present invention is to provide a guide design software that proposes a guide shape for implant surgery, and furthermore, if the user determines that the proposed guide shape needs modification, the user can selectively change the guide shape. It is to provide a guide design software having a UI so that it can be fine-tuned.

However, the problem to be solved by the present invention is not limited to those mentioned above, and another problem to be solved that is not mentioned can be clearly understood by those skilled in the art from the description below. will be.

A guide design method for an implant procedure performed by a guide design device according to an embodiment of the present invention determines an implantation plan for an implant structure including a fixture, a crown, and an abutment, based on oral data of a patient. doing; and designing a guide used for an implant procedure based on the determined implant structure implantation plan.

The implantation plan for the implant structure is divided into implantation plans for each of the fixture, the crown, and the abutment, and is not sequentially provided to the user of the guide design device, and the fixture, the crown, and the abutment The entire implantation plan can be provided at once.

Determining the placement plan for the implant structure may include performing fine adjustment on at least one of the fixture, the crown, and the abutment according to a user's request of the guide design device; and modifying an implantation plan for the implant structure based on the fine adjustment.

The step of fine-adjusting at least one of the fixture, the crown, and the abutment may include selecting an object to be fine-adjusted from among the fixture, the crown, and the abutment based on a predetermined criterion. ; and performing fine adjustment on the selected object.

Fine adjustment of any one of the fixture, the crown, and the abutment may be performed independently of fine adjustment of any other one of the fixture, the crown, and the abutment.

An interface for fine-adjusting at least one of the fixture, the crown, and the abutment may be provided to the user at once.

In the step of designing the guide, an interface for modifying an implantation plan for the implant structure may not be provided.

Guide design device according to another embodiment of the present invention, the receiving unit for obtaining oral data of the patient; and a processor determining an implantation plan for an implant structure including a fixture, a crown, and an abutment based on oral data of the patient, and designing a guide based on the determined implantation plan for the implant structure. can

According to the embodiment of the present invention, unlike the existing method in which the fine adjustment of the fixture included in the implant structure, the fine adjustment of the crown, and the fine adjustment of the abutment were performed in a fixed order in advance, the order determined according to the user's judgment And, fine adjustment of the implant structure is performed in one integrated design screen according to the target, so that the fine adjustment of the implant structure can be performed more quickly and conveniently.

In addition, according to an embodiment of the present invention, by designing the implant structure integrally before the step of designing the shape of the guide, and designing the shape of the guide based on the implant structure for which the design has been completed, the shape of the guide is more accurately and quickly. can design

1 is a block diagram showing a guide design device according to an embodiment of the present invention.
2 is a block diagram conceptually showing the functions of a guide design program according to an embodiment of the present invention.
3 shows a simulation screen for providing a user with an implantation plan for an implant structure determined by a guide design preparation unit according to an embodiment of the present invention.
4 shows a method of fine-tuning matching data in the guide design preparation unit according to an embodiment of the present invention.
5 is an example of a detailed screen provided to a user to fine-tune matching data according to an embodiment of the present invention.
6 shows a method of fine-tuning a crown placement plan in a guide design preparation unit according to an embodiment of the present invention.
7 shows a method of fine-tuning an anchor pin implantation plan in a guide design preparation unit according to an embodiment of the present invention.
8 shows a method for fine-tuning lower alveolar neural tube information in a guide design preparation unit according to an embodiment of the present invention.
9 is an example of a simulation screen for providing a guide designed by a guide design unit to a user according to an embodiment of the present invention.
10 is an example of a simulation screen for a user to fine-tune the shape and undercut of a guide.
11 illustrates an example of a preview provided to a user by a guide output unit according to an embodiment of the present invention.
12 is a flowchart illustrating a method of designing a guide for implant surgery according to an embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken 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 make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to completely inform the person who has the scope of the invention, and the present invention is only defined by the scope of the claims.

In describing the embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of functions in the embodiment of the present invention, which may vary according to the intention or custom of a user or operator. Therefore, the definition should be made based on the contents throughout this specification.

1 is a block diagram showing a guide design device according to an embodiment of the present invention.

Referring to FIG. 1 , the guide design device 100 may include a processor 110 , a receiver 120 and a memory 130 .

The processor 110 may control the overall operation of the guide design device 100 .

The processor 110 may receive patient data and procedure data using the receiver 120 . In the present specification, the patient data includes patient information (eg, personal information) and oral data of the patient, the treatment data includes treatment schedule tooth information (eg, tooth number) and prosthesis material information, and the implant structure It may include fixtures, crowns and abutments. The oral data of the patient may include scan data and CT data.

The scan data is tooth model scan data obtained by scanning a plaster model created by imitating the patient's oral cavity with a 3D scanner, or by scanning the inside of the patient's oral cavity using a 3D intra-oral scanner. It may be oral scan data.

The CT data may be obtained by generating tomographic images of the patient's head using computed tomography (CT), segmenting the boundary of the tooth in each tomography image, and then combining them into one. .

For example, the processor 110 may receive patient data and procedure data from a dental practice management system (PMS) using the receiver 120 .

In this specification, the guide design device 100 has been described as receiving patient data and treatment data using the receiving unit 120, but is not limited thereto.

That is, depending on the embodiment, the guide design device 100 may hold or generate patient data and procedure data on its own.

The memory 130 may store the guide design program 200 and information required for execution of the guide design program 200 .

In this specification, the guide design program 200 may refer to software including instructions programmed to design a guide for performing an implant operation on a patient using patient data and operation data.

The processor 110 may load the guide design program 200 and information required for execution of the guide design program 200 from the memory 130 in order to execute the guide design program 200 .

The processor 110 executes the guide design program 200, determines an implantation plan for the implant structure using patient data and procedure data, and implants the implant structure based on the determined implantation plan for the implant structure. You can design a guide for use in

The function and operation of the guide design program 200 will be described in detail with reference to FIG. 2 .

2 is a block diagram conceptually showing the functions of a guide design program according to an embodiment of the present invention.

Referring to FIGS. 1 and 2 , the guide design program 200 may include a guide design preparation unit 210 , a guide design unit 220 and a guide output unit 230 .

The guide design preparation unit 210, the guide design unit 220, and the guide output unit 230 shown in FIG. 2 conceptualize the functions of the guide design program 200 in order to easily explain the functions of the guide design program 200. as divided by, but not limited thereto. According to embodiments, the functions of the guide design preparation unit 210, the guide design unit 220, and the guide output unit 230 can be merged/separated, or implemented as a series of commands included in one program. there is.

The guide design preparation unit 210 may receive patient data and treatment data, and prepare a guide design by using the received patient data and treatment data and predetermined first user setting information.

In more detail, the guide design preparation unit 210 generates matching data by matching scan data and CT data based on the tooth number using patient data, operation data, and first user setting information, and generates matching data with the CT data. It is possible to create a panoramic image by creating a line, create lower alveolar neural tube information in matching data that matches scan data and CT data, determine an implant structure placement plan, and determine an anchor pin placement plan. there is.

The placement plan refers to all matters to be considered when placing an implant structure in the alveolar bone of the patient's missing tooth, and may include, for example, the type and size of an object to be placed as well as the placement location, direction, and depth of placement. there is.

The first user setting information may include at least one of a fixture specification for each tooth, a safety distance between fixtures, a safety distance between an anchor pin and a fixture, a safety distance between a fixture and a natural tooth, and an abutment margin.

In order to determine the placement plan of the implant structure, the guide design preparation unit 210 uses the patient data, operation data, and preset first user setting information to determine the size and type of fixtures to be placed in the alveolar bone of the patient's missing tooth region. , and determine the placement location, placement direction, and placement depth of the determined fixture.

In addition, the guide design preparation unit 210 may determine the size and type of the crown, and determine the location of the crown based on the location of the patient's missing tooth.

In addition, the guide design preparation unit 210 may determine the size and type of the abutment, and determine the position of the abutment based on the positions of the fixture and the crown.

Depending on the embodiment, the guide design preparation unit 210 may determine an implantation plan for the other one of the fixture, crown, and abutment based on the implantation plan for any one of the fixture, crown, and abutment. , the placement plan for each fixture, crown, and abutment may be independently determined.

As the guide design preparation unit 210 determines the placement plan for the fixture, crown, and abutment, the implant structure including the fixture, crown, and abutment (that is, the fixture, crown, and abutment are combined) You can decide on an implantation plan for

The guide design preparation unit 210 may provide the user with registration data, arch line, lower alveolar neural canal information, an implant structure implantation plan, and an anchor pin implantation plan. Here, the matching data may be an image generated by matching scan data and CT data (eg, D6 in FIG. 4 ).

For example, FIG. 3 shows a simulation screen for providing a user with an implantation plan for an implant structure determined by the guide design preparation unit 210 according to an embodiment of the present invention.

Referring further to FIG. 3 , the simulation screen (S) includes a scan data screen (SD) synthesizing a virtual implant structure and scan data virtually placed in the missing tooth area according to the placement plan, and a scan data screen (SD) virtually placed in the missing tooth area according to the placement plan. It may include first and second detailed screens D1 and D2 for displaying in detail the cross-sectional outline of the implanted virtual implant structure and CT data cross-sectional images of the implanted site in a predetermined direction.

When the first virtual implant structure (IM1), the second virtual implant structure (IM2), and the third virtual implant structure (IM3) are implanted in a patient, the guide design preparation unit 210 includes the first virtual implant structure (IM1), An implantation plan for the second virtual implant structure IM2 and the third virtual implant structure IM3 is determined, and according to the determined implantation plan, the first virtual implant structure IM1 and the second virtual implant structure IM1 are placed in each missing tooth region in the oral cavity of the patient. A scan data screen SD and CT data in which the virtual implant structure IM2 and the third virtual implant structure IM3 are placed may be provided. The CT data may be used to represent a 3D volume image.

When the user selects the first virtual implant structure (IM1) on the scan data screen (SD), information about the fixture (PT), abutment (AB), and crown (CR) included in the first virtual implant structure (IM1) Simulation results of the implantation plan may be displayed on the first detailed screen D1 and the second detailed screen D2.

According to an embodiment, the first detailed screen D1 and the second detailed screen D2 may display the first virtual implant structure IM1 viewed from different directions. For example, the first detailed screen D1 is a screen viewed from the distal plane D to the mesial plane M, or a screen viewed from the mesial plane M to the distal plane D. The second detailed screen D2 may be a screen viewed from the buccal surface B to the snow surface L, or a screen viewed from the snow surface L to the buccal surface B.

Therefore, when the user selects the first virtual implant structure IM1 on the simulation screen S, the user can check whether the implantation plan for the first virtual implant structure IM1 will be appropriately executed from various angles.

Referring back to FIG. 2 , the guide design preparation unit 210 may fine-tune the registration data, the arch line, the lower alveolar neural canal information, the implantation plan for the virtual implant structure, and the implantation plan for the anchor pin according to the user's request. can

In more detail, as provided by the guide design preparation unit 210, the user can check registration data, arch line, lower alveolar neural canal information, an implantation plan for a virtual implant structure, and an implantation plan for an anchor pin.

Accordingly, when receiving a fine-adjustment request from the user, the guide design preparation unit 210 may fine-tune the registration data, the arch line, the lower alveolar neural canal information, the implantation plan for the virtual implant structure, and the implantation plan for the anchor pin. there is.

For example, the guide design preparation unit 210 fine-adjusts the registration data when receiving a request for fine-adjustment of the registration data from the user, and fine-tunes the arch line when receiving a request for fine-adjustment of the arch line from the user. When receiving a request for fine adjustment of the information of the lower alveolar neural tube from the user, the information of the lower alveolar nerve is finely adjusted, and when receiving a request for fine adjustment of the placement plan for the virtual implant structure from the user, the virtual implant structure The implantation plan for the anchor pin may be finely adjusted, and when a request for fine adjustment of the implantation plan for the anchor pin is received from the user, the implantation plan for the anchor pin may be finely adjusted.

Below, as an example of fine-tuning provided by the guide design preparation unit 210, a method of fine-tuning registration data, a crown implantation plan, an anchor pin implantation plan, and lower alveolar neural tube information will be described.

First, FIG. 4 shows a method of fine-tuning matching data in the guide design preparation unit 210 according to an embodiment of the present invention.

Referring further to FIG. 4, the simulation screen (S) is a scan data screen (SD) displaying the arch line in the scan data, detailed screens (D3, D4, D5, D6) viewing the matching data from various directions, and the arch A panoramic image D7 generated based on the line may be included. The tooth area TD in the scan data screen SD may be detected by the guide design preparation unit 210 .

According to the embodiment, if there is a user's request, the guide design preparation unit 210 displays the third detail screen D3 displaying the matching data viewed in the axial direction AA and the matching data viewed in the mesial direction MA. A fourth detailed screen D4 displayed, a fifth detailed screen D5 displaying matching data viewed from the buccal direction (BA) and a sixth detailed screen D6 expressing matching data of a 3D image are provided to the user, , a sixth detailed screen D6 displaying a matching result of scan data and CT data and a seventh detailed screen D7 serving as a panoramic image may be provided to the user.

At this time, when the user requests fine adjustment of the matching data by selecting the third detailed screen D3, as shown in FIG. 5, the guide design preparation unit 210 displays the third detailed screen D3 to fine-tune the matching data. can be enlarged and provided to the user.

The user may fine-tune the matching data by manipulating a manipulator M provided on the enlarged third detailed screen D3.

Next, FIG. 6 shows a method of fine-tuning a crown placement plan in the guide design preparation unit 210 according to an embodiment of the present invention.

Referring further to FIG. 6 , the simulation screen S shows a first virtual implant structure IM1 , a second virtual implant structure IM2 , and a third virtual implant structure IM3 placed on each missing tooth in the oral cavity of the patient. It may include a scan data screen SD and detailed screens D1 and D2 displaying an implantation plan of the first virtual implant structure IM1.

When the user selects the first virtual implant structure (IM1) from the scan data screen (SD), the guide design preparation unit 210 includes the fixture (PT) and abutment (AB) included in the first virtual implant structure (IM1). ) and the crown CR may be displayed on the first detailed screen D1 and the second detailed screen D2.

When the user requests fine adjustment for the arrangement of the crown (CR) by selecting the crown (CR) on the first detail screen (D1) or the second detail screen (D2), the guide design preparation unit 210 sets the crown (CR) ) A manipulator used to fine-tune the arrangement may be provided to the user on the first detailed screen D1 or the second detailed screen D2.

The user may finely adjust the implantation plan for the crown CR by manipulating the manipulator on the first detailed screen D1 or the second detailed screen D2.

Next, FIG. 7 shows a method of fine-tuning an anchor pin implantation plan in the guide design preparation unit 210 according to an embodiment of the present invention.

Referring further to FIG. 7 , the simulation screen S shows a first virtual implant structure IM1 , a second virtual implant structure IM2 , and a third virtual implant structure IM3 placed on each missing tooth in the patient's oral cavity. It may include a scan data screen SD and detailed screens D1 and D2 displaying an implantation plan for an anchor pin AP for fixing the second virtual implant structure IM2.

If the innermost teeth do not exist continuously, the guide may not be properly fixed in the area of the missing tooth. Accordingly, the guide design preparation unit 210 may determine an anchor pin placement plan for the anchor pin AP so as to place the anchor pin AP in the missing tooth region corresponding to the second virtual implant structure IM2 in order to fix the guide. there is.

Meanwhile, when the user selects the second virtual implant structure IM2 from the scan data screen SD, the guide design preparation unit 210 prepares an implantation plan for the second virtual implant structure IM2 and the anchor pin AP. It can be displayed on the first detailed screen D1 and the second detailed screen D2.

When the user adjusts the anchor pin (AP) on the first detailed screen (D1) or the second detailed screen (D2), the guide design preparation unit 210 plans to implant the anchor pin (AP) according to the user's adjustment. can be fine-tuned.

Finally, FIG. 8 shows a method of fine-tuning lower alveolar neural tube information in the guide design preparation unit 210 according to an embodiment of the present invention.

Referring further to FIG. 8 , the simulation screen S includes a scan data screen SD displaying lower alveolar neural tube information NT generated using the otogap area detected from CT data, and lower alveolar neural tube information NT may include detailed screens D8, D9, and D10 viewed from various directions.

According to the embodiment, if there is a user's request, the guide design preparation unit 210 displays the eighth detail screen D8 displaying the inferior alveolar nerve information NT viewed from the mesial plane direction MA and a panoramic image. A ninth detailed screen D9 displaying lower alveolar neural tube information NT and a tenth detailed screen D10 displaying lower alveolar neural tube information NT viewed from the buccal direction BA may be provided to the user. .

At this time, when the user adjusts the lower alveolar nerve information NT on the eighth detailed screen D8, the ninth detailed screen D9, or the tenth detailed screen D10, the guide design preparation unit 210 adjusts the user's Depending on the adjustment, the inferior alveolar neural tube information (NT) can be fine-tuned.

When the fine adjustment is completed, the guide design preparation unit 210 may transmit the determined registration data, the arch line, the lower alveolar neural tube information, the implantation plan for the virtual implant structure, and the anchor pin implantation plan to the guide design unit 220. there is.

The guide design unit 220 designs a guide based on the matching data received from the guide design preparation unit 210, the arch line, the lower alveolar neural canal information, the implantation plan for the virtual implant structure, and the anchor pin implantation plan. can

Depending on the embodiment, the guide design unit 220 may further use the second user setting information to design the guide. Here, the second user setting information may include information on a guide to be created (eg, a shape of the guide), a drilling hole type, and text to be input to the reinforcing bar. The second user setting information may be previously set in the guide design device 100, but may also be input according to the user's use.

Since the guide design unit 220 designs the guide based on the placement plan for the virtual implant structure that has been fine-tuned, the delay caused by the change in the placement plan for the virtual implant structure in the process of designing the guide can be minimized. can

In more detail, the guide design unit 220 may design a guide and determine an insertion direction of the guide using the received matching data, a fixture implantation plan and an anchor pin implantation plan, and second user setting information.

In the present specification, designing a guide may mean not only determining the shape of the guide including the undercut region, but also determining the location, size, and number of windows and reinforcing bars included in the guide.

Depending on the embodiment, the guide design unit 220 may determine the location and number of windows and reinforcing bars based on the placement location of the virtual implant structure and a predetermined criterion. For example, the guide design unit 220 may create windows on both sides of a guide hole where a virtual implant structure is placed, create a window at the innermost (end side) of the guide, or create a window at intervals of a predetermined number of teeth. can In addition, the guide design unit 220 may create a reinforcing bar based on the positions of the guide hole and the window.

The guide design unit 220 may provide the designed guide to the user.

According to the user's request, the guide design unit 220 may fine-tune the designed guide.

More specifically, according to the user's request, the guide design unit 220 may fine-tune the shape, undercut, position and size of the window and reinforcing bar.

For example, FIG. 9 is an example of a simulation screen for providing a guide designed by the guide design unit 220 to the user according to an embodiment of the present invention.

Referring further to FIG. 9, the simulation screen S includes a plurality of windows W1, W2, W3, W4, W5, W6, and W7, a plurality of reinforcing bars B1 and B2, and a plurality of guide holes GH1. , GH2, GH3), a scan data screen (SD) displaying a guide (G), and detailed screens (D11, D12) displaying the position and size of windows and reinforcing bars in more detail.

Depending on the embodiment, the eleventh detailed screen D11 and the twelfth detailed screen D12 may include at least one window (W1, W2, W3, W4, W5, W6, W7) or at least one reinforcement viewed from different directions. Bars B1 and B2 may be displayed. For example, the 11th detailed screen D11 is a screen viewed from the snow surface L direction centered on the reference axis of the selected window and reinforcement bar, and the 12th detailed screen D12 is the selected window or reinforcement of the 11th detailed screen D11. It can be a screen on another axis perpendicular to the reference axis of the bar.

The first window W1 and the seventh window W7 are located at both ends of the guide G, and the second window W2 and the third window W3 are located at both sides of the first guide hole GH1. The fourth window W4 is positioned at a distance of three teeth from the third window W3, the fifth window W5 is positioned at a distance of four teeth from the fourth window W4, and the sixth window ( W6) may be positioned between the second guide hole G2 and the tooth while leaving a gap between the fifth window W5 and three teeth.

In addition, the first reinforcing bar B1 may be positioned to connect the second window W2, the first guide hole GH1 and the third window W3, and the second reinforcing bar B2 is the sixth window. (W6), the second guide hole (GH2), the third guide hole (GH3) and the seventh window (W7) may be positioned to connect.

This is because the portion of the guide (G) where the window and the guide hole are located is weak and can be easily broken.

The eleventh detailed screen D11 and the twelfth detailed screen D12 are generated when the first window W1, the second window W2, the third window W3, or the first reinforcing bar B1 is selected. can

The user can fine-tune the first window W1, the second window W2, the third window W3, or the first reinforcing bar B1 selected on the eleventh detailed screen D11 or the twelfth detailed screen D12. can

In addition, the user may change the text (eg, 'Shin Hye-jin_201905081234') written on the first reinforcement bar B1 in the eleventh detailed screen D11 or the twelfth detailed screen D12.

10 is an example of a simulation screen for the user to fine-tune the shape and undercut of the guide.

Referring further to FIG. 10, the simulation screen S includes a scan data screen SD displaying a guide line GL representing the shape of a guide including a plurality of guide holes GH1, GH2, and GH3, and a guide Detail views D13 and D14 viewed from different directions may be included.

The guide line GL includes points at regular intervals, and the user can finely adjust the shape of the guide by changing the location of the points.

In addition, the user can fine-tune the shape of the guide G by changing the point position of the guide line GL on the thirteenth detailed screen D13 or the fourteenth detailed screen D14, and inserting the guide G You can redefine the undercut creation area by adjusting the direction.

Referring back to FIG. 2 , the guide output unit 230 may output a finely adjusted guide. Depending on the embodiment, the guide output unit 230 may transmit information necessary for outputting the guide to a 3D printer or the like.

In addition, according to the embodiment, the guide output unit 230 may create a procedure report used for an implant procedure based on the finely adjusted guide and output the prepared procedure report.

To this end, the guide output unit 230 receives (receives) at least one of patient data, treatment data, image for each tooth number, drilling sequence for each fixture, and third user setting information, and receives (receives) patient data, treatment data, and tooth number. A guide may be output using at least one of a star image, a drilling sequence for each fixture, and third user setting information.

Here, the third user setting information may include at least one of guide offset information, crown inner surface information, and a storage path of data to be output.

The guide output unit 230 may provide the user with a preview of the guide to be output for the user's convenience.

The preview may include not only guides in which the locations and sizes of windows, reinforcing bars, and guide holes are determined, but also scan data in which a virtual implant structure is placed in a region of a missing tooth, and a shape of a crown included in the virtual implant structure.

For example, FIG. 11 shows an example of a preview provided to the user by the guide output unit 230 according to an embodiment of the present invention.

Referring further to FIG. 11, the simulation screen (S) for the preview is a 15th detailed screen (D15) displaying the shape of the guide (G) to be output by a 3D printer and scan data in which a virtual implant structure is placed in the missing tooth area. , and a sixteenth detailed screen D16 displaying the shape of the crown included in the virtual implant structure.

In this way, for the user's final confirmation, the guide output unit 230 may provide a preview of the virtual implant structure and the guide to the user before the user outputs the guide using a 3D printer or the like.

12 is a flowchart illustrating a method of designing a guide for implant surgery according to an embodiment of the present invention.

Referring to FIGS. 1, 2, and 12 , the guide design preparation unit 210 may determine an implantation plan for a virtual implant structure based on oral data of the patient and prepare a guide design (S1200).

The guide design unit 220 may design a guide based on the placement plan for the virtual implant structure (S1210).

The guide output unit 230 may output the designed guide (S1220).

According to the embodiment of the present invention, the fine adjustment of the fixture, crown, and abutment included in the virtual implant structure is not performed in a fixed order in advance, but is integrated according to the order and target determined by the user's judgment. By performing it on the design screen, it is possible to perform fine adjustment of the virtual implant structure more quickly and conveniently.

In addition, according to an embodiment of the present invention, by designing the shape of the guide using the virtual implant structure that has been designed without designing the virtual implant structure in the step of designing the shape of the guide, the shape of the guide is more accurate and You can design quickly.

Combinations of each block of the block diagram and each step of the flowchart accompanying the present invention may be performed by computer program instructions. Since these computer program instructions may be loaded into an encoding processor of a general-purpose computer, special-purpose computer, or other programmable data processing equipment, the instructions executed by the encoding processor of the computer or other programmable data processing equipment are each block or block diagram of the block diagram. Each step in the flow chart creates means for performing the functions described. These computer program instructions may also be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular way, such that the computer usable or computer readable memory It is also possible for the instructions stored in to produce an article of manufacture containing instruction means for performing the function described in each block of the block diagram or each step of the flow chart. The computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operational steps are performed on the computer or other programmable data processing equipment to create a computer-executed process to generate computer or other programmable data processing equipment. It is also possible that the instructions performing the processing equipment provide steps for executing the functions described in each block of the block diagram and each step of the flowchart.

Additionally, each block or each step may represent a module, segment or portion of code that includes one or more executable instructions for executing specified logical function(s). It should also be noted that in some alternative embodiments it is possible for the functions recited in blocks or steps to occur out of order. For example, two blocks or steps shown in succession may in fact be performed substantially concurrently, or the blocks or steps may sometimes be performed in reverse order depending on their function.

The above description is merely an example of the technical idea of the present invention, and various modifications and variations can be made to those skilled in the art without departing from the essential qualities of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be construed according to the claims below, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

100: guide design device
200: Guided Design Program
210: guide design preparation unit
220: guide design department
230: guide output unit

Claims (10)

In the guide design method for implant surgery performed by the guide design device,
Determining an implantation plan for an implant structure including a fixture, a crown, and an abutment based on the patient's oral data; and
Based on the placement plan for the determined implant structure, including the step of designing a guide used for implant surgery
A guide design method for implant surgery. According to claim 1,
The placement plan for the implant structure,
To the user of the guide design device, the implantation plan for the fixture, the crown, and the abutment is not provided sequentially, but is provided at once as an implantation plan for the entire fixture, the crown, and the abutment
A guide design method for implant surgery. According to claim 1,
Determining the placement plan for the implant structure,
performing fine adjustment on at least one of the fixture, the crown, and the abutment according to a user's request of the guide design device; and
Based on the fine-tuning, modifying the placement plan for the implant structure.
A guide design method for implant surgery. According to claim 3,
Performing fine adjustment on at least one of the fixture, the crown, and the abutment,
selecting an object to be fine-adjusted among the fixture, the crown, and the abutment based on a predetermined criterion; and
Comprising the step of performing fine adjustment on the selected target
A guide design method for implant surgery. According to claim 3,
Fine adjustment of any one of the fixture, the crown, and the abutment is performed independently of fine adjustment of any other of the fixture, the crown, and the abutment.
A guide design method for implant surgery. According to claim 3,
An interface for performing fine adjustment on at least one of the fixture, the crown, and the abutment is provided to the user at once
A guide design method for implant surgery. According to claim 1,
In the step of designing the guide,
An interface for modifying the placement plan for the implant structure is not provided.
A guide design method for implant surgery. a receiver for acquiring oral data of the patient; and
Based on the patient's oral data, determining an implantation plan for an implant structure including a fixture, crown, and abutment, and based on the determined implantation plan for the implant structure, a processor for designing a guide
guide design device. A computer-readable recording medium storing a computer program,
The computer program,
Including instructions for causing a processor to perform the method according to any one of claims 1 to 7
A computer-readable recording medium. As a computer program stored on a computer-readable recording medium,
The computer program,
Including instructions for causing a processor to perform the method according to any one of claims 1 to 7
computer program.

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