Method and device for providing information about prosthetic modeling data and recording medium

Abstract

According to an embodiment, disclosed are a method, a device performing the method, and a recording medium, the method comprising the steps of: obtaining, by a reception unit, a virtual oral model for a plurality of teeth; obtaining, by the reception unit, prosthetic modeling data for a prosthesis to be inserted into a target tooth, which is one of the plurality of teeth; determining, by a processor, an expected insertion direction of the prosthesis on the basis of the crown axis of an adjacent tooth of the target tooth; determining, by the processor, a mesiodistal inclination angle range on the basis of an angle between a margin line of the target tooth and the adjacent tooth; and displaying, by the processor, the mesiodistal inclination angle range for the virtual oral model in a state in which the prosthetic modeling data is superimposed in the expected insertion direction.

Description

Method, device and recording medium for providing information on prosthetic modeling data

[0001] The present disclosure relates to a method for providing information on prosthetic modeling data. More specifically, the present disclosure relates to a technique for providing information on insertion into prosthetic modeling data based on oral data.

[0002] In general, determining the insertion path of the prosthesis is an important process that serves as the basis for establishing a treatment plan or manufacturing an accurate prosthesis in dentistry.

[0003] Conventional methods for determining the insertion path of a prosthesis involve the user manually rotating the 3D CAD screen to determine the crown insertion path. This conventional technology has the disadvantage of requiring the user to manually determine the insertion path using CAD, which is a cumbersome process, resulting in low user convenience. In addition, since the skill level and standards for determining the insertion path vary depending on the individual user, it can take a considerable amount of time to determine the accurate insertion path, and errors can occur in determining and manufacturing the prosthesis insertion path, which can lead to inaccurate prosthesis insertion paths.

[0004] Accordingly, a technology is required to solve the above-described problems and improve user convenience throughout the entire process of virtually deleting and confirming the shape of a tooth.

[0005] One embodiment of the present disclosure is intended to solve the problems of the prior art described above, and to provide a method, device, and recording medium that can improve user convenience and accuracy in the process of providing information by inserting prosthetic modeling data.

[0006] The technical problems to be solved are not limited to the technical problems described above, and may include various other technical problems within a scope obvious to a person skilled in the art.

[0007] A method for providing information on prosthetic modeling data according to a first aspect of the present disclosure may include: a step of a receiving unit obtaining a virtual oral model for a plurality of teeth; a step of the receiving unit obtaining prosthetic modeling data for a prosthesis to be inserted into a target tooth, which is one of the plurality of teeth; a step of a processor determining an expected insertion direction of the prosthesis based on a crown axis of an adjacent tooth of the target tooth; a step of the processor determining a mesiodistal inclination range based on an angle between a margin line of the target tooth and the adjacent tooth; and a step of the processor displaying the mesiodistal inclination range in a state in which the prosthetic modeling data is superimposed on the virtual oral model according to the expected insertion direction.

[0008] Additionally, the prosthetic modeling data can be obtained based on the crown axis of the tooth with the same name as the target tooth and the outer line of the adjacent tooth.

[0009] In addition, the method may further include a step of determining a buccal-lingual inclination range for the target tooth based on the buccal-lingual inclination angle of the target tooth and the lingual inclination angle of the target tooth; and a step of displaying the buccal-lingual inclination range.

[0010] In addition, the step of displaying the above-mentioned root-central inclination range may display the above-mentioned root-central inclination range and the above-mentioned shunt-sul slope angle range in a conical shape. In addition, the step of displaying the expected insertion path determined according to the above-mentioned expected insertion angle may further include.

[0011] Additionally, the above-described centroid inclination range can be displayed based on the center point of the margin area within the margin area indicated by the above-described margin line.

[0012] In addition, the method may further include a step of displaying an undercut area of ​​the target tooth determined according to the expected insertion direction.

[0013] In addition, the method may further include a step of updating and displaying the undercut area as the expected insertion direction is updated.

[0014] In addition, when the expected insertion direction is updated, the method may further include a step of updating and displaying the prosthetic modeling data based on the updated expected insertion direction and the outer line of the adjacent tooth.

[0015] Additionally, the expected insertion direction can be determined based on the average of the crown axes of a plurality of adjacent teeth for the target tooth.

[0016] In addition, the step of determining the mesiodistal inclination range may include the step of determining the closest point of contact between the margin line of the target tooth and the adjacent tooth; the step of determining a tangent line that passes through the closest point of contact and touches the adjacent tooth; and the step of determining the mesiodistal inclination range based on the angle between the axis of the target tooth and the tangent line.

[0017] A device for providing information on prosthetic modeling data according to a second aspect of the present disclosure may include a receiving unit that obtains a virtual oral model for a plurality of teeth and obtains prosthetic modeling data for a prosthesis to be inserted into a target tooth, which is one of the plurality of teeth; and a processor that determines an expected insertion direction of the prosthesis based on a crown axis of an adjacent tooth of the target tooth, determines a mesio-distal inclination range based on an angle between a margin line of the target tooth and the adjacent tooth, and displays the mesio-distal inclination range in a state in which the prosthetic modeling data is superimposed on the virtual oral model according to the expected insertion direction.

[0018] Additionally, the processor can determine a buccal-lingual inclination range for the target tooth based on a buccal-lingual inclination angle of the target tooth and a lingual inclination angle of the target tooth, and display the buccal-lingual inclination range.

[0019] Additionally, the processor can display an undercut area of ​​the target tooth determined according to the expected insertion direction.

[0020] Additionally, the processor can update and display the undercut area as the expected insertion direction is updated.

[0021] Additionally, when the expected insertion direction is updated, the processor can update and display the prosthetic modeling data based on the updated expected insertion direction and the outer line of the adjacent tooth.

[0022] A third aspect of the present disclosure may provide a computer-readable recording medium having recorded thereon a program for executing the method according to the first aspect on a computer. Alternatively, a fourth aspect of the present disclosure may provide a computer program stored on a recording medium for implementing the method according to the first aspect.

[0023] According to one embodiment, the device can automatically analyze a patient's virtual oral model and provide insertion angle information for prosthetic modeling data, thereby improving user convenience and reducing the time required.

[0024] In addition, by analyzing the interference of adjacent teeth and the crown axis to determine the insertion angle, it is possible to provide highly accurate insertion angle information.

[0025] The effects of the present disclosure are not limited to the effects described above, and should be understood to include all effects that can be inferred from the detailed description of the present disclosure or the composition of the disclosure described in the claims.

[0026] FIG. 1 is a block diagram showing an example of a configuration of a device according to one embodiment.

[0027] FIG. 2 is a flowchart illustrating a method by which a device provides insertion angle information for prosthetic modeling data according to one embodiment.

[0028] FIG. 3 is a drawing for explaining a method for determining a mesiodist-distal inclination range according to a positional relationship between a target tooth and a first adjacent tooth by a device according to one embodiment.

[0029] FIG. 4 is a drawing for explaining a method for determining a mesiodist-distal inclination range according to a positional relationship between a target tooth and a second adjacent tooth by a device according to one embodiment.

[0030] FIG. 5 is a diagram illustrating an example of a device according to one embodiment providing information on a range of inclination angles of the origin.

[0031] FIG. 6 is a diagram illustrating an example of a device providing information on a slope-angle range according to one embodiment.

[0032] FIG. 7 is a drawing illustrating an example of a device according to one embodiment of the present invention that displays prosthetic modeling data superimposed on a virtual oral model based on a center point of a margin area.

[0033] FIG. 8 is a drawing illustrating an example of a device updating prosthetic modeling data based on a tooth of the same name as a target tooth according to one embodiment.

[0034] FIG. 9 is a drawing illustrating an example of a device updating prosthetic modeling data based on adjacent teeth of a target tooth according to one embodiment.

[0035] FIG. 10 is a drawing illustrating an example of a device according to one embodiment displaying a state in which prosthetic modeling data is superimposed on a virtual oral model.

[0036] FIG. 11 is a drawing illustrating an example in which a device according to one embodiment provides information about a first undercut area based on a first expected angle.

[0037] FIG. 12 is a drawing illustrating an example in which a device according to one embodiment provides information about a second undercut area based on a second expected angle.

[0038] FIG. 13 is a drawing illustrating an example in which a device according to one embodiment provides information about a third undercut area based on a third expected angle.

[0039] The terms used in the examples are selected from widely used and common terms, taking functionality into consideration. However, these terms may vary depending on the intentions of users in the field, precedents, the emergence of new technologies, etc. Furthermore, in certain cases, terms may be arbitrarily selected by the applicant, and in such cases, their meanings will be described in detail in the description of the relevant invention. Therefore, the terms used in this disclosure should not be defined simply as names, but rather based on the meanings of the terms and the overall content of the disclosure.

[0040] When a part of the specification is said to "include" a component, this does not exclude other components, but rather implies the inclusion of other components, unless otherwise specifically stated. Furthermore, terms such as "part" or "part" in the specification refer to a unit that processes at least one function or operation, which may be implemented in hardware, software, or a combination of hardware and software.

[0041] Below, embodiments of the present disclosure are described in detail with reference to the attached drawings so that those skilled in the art can easily implement the present disclosure. However, the present disclosure may be implemented in various different forms and is not limited to the embodiments described herein.

[0042] Throughout the specification, “domain” can be interpreted as a concept encompassing both two and three dimensions.

[0043] Hereinafter, multiple embodiments will be described in detail with reference to the drawings.

[0044] FIG. 1 is a block diagram showing an example of the configuration of a device (100) according to one embodiment.

[0045] Referring to FIG. 1, the device (100) may include a receiver (110), a processor (120), and a display (130).

[0046] Those skilled in the art will appreciate that, in addition to the components illustrated in FIG. 1, the device (100) may further include other general-purpose components. For example, the device (100) may further include memory (not illustrated). Alternatively, those skilled in the art will appreciate that, according to other embodiments, some of the components illustrated in FIG. 1 may be omitted.

[0047] According to one embodiment, the receiving unit (110) may receive various data. For example, the receiving unit (110) may receive data for a virtual oral cavity model or prosthetic modeling data. The receiving unit (110) may receive data for a virtual oral cavity model and / or prosthetic modeling data from an external device, but is not limited to the present embodiment, and the device (100) may also generate a virtual oral cavity model or prosthetic modeling data.

[0048] Specifically, the processor (120) can generate a virtual oral model or prosthetic modeling data using scan data and / or CT data.

[0049] A virtual oral model can be created based on various data acquired about the oral cavity. For example, the virtual oral model can be acquired based on scan data and / or CT data of the oral cavity. The CT data and scan data can be received via a scanner or an external device. Referring to FIG. 1, a wireless terminal (140) or a wired terminal (150) may be examples of external devices.

[0050] According to one embodiment, the processor (120) may provide insertion angle information indicating the expected insertion direction in which the prosthetic modeling data is to be inserted into the target tooth. Specifically, the processor (120) may determine the expected insertion angle of the prosthesis, the mesio-distal inclination range, the lateral-lateral inclination range, etc. In addition, the processor (120) may control the display (130) to display the expected insertion angle, the mesio-distal inclination range, the lateral-lateral inclination range, etc. Here, the provision may be performed in various ways, such as not only transmitting information but also displaying information (130).

[0051] The embodiments described above with reference to FIG. 1 will be described in more detail with reference to FIGS. 2 to 13.

[0052] FIG. 2 is a flowchart illustrating a method by which a device (100) according to one embodiment provides insertion angle information for prosthetic modeling data.

[0053] In step S210, the device (100) according to one embodiment obtains a virtual oral cavity model for a plurality of teeth.

[0054] In one embodiment, the virtual oral cavity model may be 3D data generated using scan data or CT data of a plurality of teeth. The device (100) may acquire scan data or CT data of a plurality of teeth to generate a virtual oral cavity model, or may acquire a pre-generated virtual oral cavity model from an external device.

[0055] In step S220, a device (100) according to an embodiment acquires prosthesis modeling data for a prosthesis to be inserted into a target tooth, which is one of a plurality of teeth. According to an embodiment, the target tooth may be an abutment tooth for prosthesis insertion. The device (100) may generate prosthesis modeling data for a rough prosthesis shape to be inserted into the target tooth included in a virtual oral model, or may acquire prosthesis modeling data from an external device.

[0056] In step S230, the device (100) according to one embodiment determines an expected insertion direction of the prosthesis based on the crown axis of an adjacent tooth of the target tooth. The expected insertion direction may be determined based on an expected insertion angle.

[0057] In detail, the device (100) can determine the average value of either the tooth axis or the crown axis of the target tooth as the tooth axis and the crown axis of the target tooth. The device (100) can obtain either the tooth axis or the crown axis of the target tooth using scan data and / or CT data of the tooth. For example, the device (100) can obtain the center of gravity of the alveolar plane that crosses 1 / 3 of the way from the gum line, which represents the line where the gum and tooth meet, and the cross-section plane that crosses 2 / 3 of the way from the gum line, using scan data of the adjacent tooth, and can determine the line connecting the center of gravity of the alveolar plane and the center of gravity of the cross-section plane as the crown axis of the corresponding tooth. In addition, the device (100) can obtain the center of gravity of each of the crown and the root of the adjacent tooth using CT data of the adjacent tooth, and determine the line connecting the center of gravity of the crown and the center of gravity of the root as the tooth axis. The device (100) can determine and obtain the tooth axis and crown axis of adjacent teeth of a target tooth included in a virtual oral model using scan data and / or CT data. Accordingly, the device (100) can determine the average value of the tooth axis and crown axis of both adjacent teeth as the tooth axis and crown axis of the target tooth and apply it to the target tooth. The device (100) can determine the angle corresponding to the tooth axis or crown axis of the target tooth as the expected insertion angle of the prosthesis.

[0058] According to one embodiment, the device (100) may determine an expected insertion angle based on a preset value when determining an expected insertion direction of a prosthesis. For example, if the difference between the tooth axes or crown axes of two adjacent teeth is greater than a threshold value or if the adjacent teeth are missing teeth, the device (100) may determine a preset insertion angle corresponding to a target tooth number as an expected insertion angle based on preset values ​​corresponding to each tooth number.

[0059] In step S240, the device (100) according to one embodiment determines a mesio-distal inclination range based on the angle between the margin line of the target tooth and the adjacent tooth. In one embodiment, the margin line may be the gum line of the target tooth. The device (100) may determine the center of gravity within the margin area created along the margin line as the margin area center point. The device (100) may determine the mesio-distal inclination range including a plurality of crown axes passing through the margin area center point. In addition, as described later in FIGS. 3 to 5 , the mesio-distal inclination range may be determined based on a line connecting the closest point of contact between the margin line and the adjacent tooth on the front surface of the abutment tooth and a point of the adjacent tooth.

[0060] In step S250, the device (100) according to one embodiment displays the mesiodistal inclination range while the prosthetic modeling data is superimposed on the virtual oral model according to the expected insertion direction. The device (100) can display insertion information regarding the prosthetic modeling data in various ways. For example, the device (100) can display an arrow indicating the insertion direction or display the insertion inclination range.

[0061] FIG. 3 is a drawing for explaining a method for determining a mesiodist inclination range according to the positional relationship between a target tooth (310) and a first adjacent tooth (320) by a device (100) according to one embodiment.

[0062] The abutment axis (360) may be a tooth axis or a crown axis corresponding to the target tooth (310) determined based on the average of the tooth axes or crown axes of the first adjacent tooth (320) and the second adjacent tooth (330) corresponding to the two adjacent teeth, as described in FIG. 2. In addition, the abutment axis (360) passes through the margin area center point (305) indicating the center of gravity within the margin area created along the margin line (340). The device (100) may acquire a 1-1 point (370) corresponding to the closest point between the first adjacent tooth (320) and the margin line (340) to determine the mesio-distal inclination range. In addition, the device may acquire a first line (350) passing through a 1-2 point (380) inclined toward the first adjacent tooth (320) from the 1-1 point (370). The first line (350) may be a tangent line that contacts the first adjacent tooth (320) while passing through the closest point between the first adjacent tooth (320) and the margin line (340). The 1-2 point (380) may be a contact point that represents the maximum range of inclination in a range in which the first line (350) does not interfere with or penetrate the first adjacent tooth (320). The angle for the inclination of the first line (350) may be a maximum range of mesio-distal inclination angles that are inclined to the right with respect to the abutment axis (360). For example, based on the angle for the first line (350) that is inclined to the right with respect to an axis parallel to the abutment axis (360) that passes through the 1-1 point (370), the 1-1 line (390) that is inclined by the same angle from the abutment axis (360) may be obtained. The first -1 line (390) may be a line corresponding to the maximum range of the inclination angle range that is tilted to the right with respect to the ground axis (360).

[0063] FIG. 4 is a drawing for explaining a method for determining a mesiodist-distal inclination range according to the positional relationship between a target tooth (310) and a second adjacent tooth (330) by a device (100) according to one embodiment.

[0064] According to one embodiment, the device (100) may acquire a second-first point (470) corresponding to an end point of a margin line (340) adjacent to a second adjacent tooth (330) to determine a mesiodistal inclination range. In addition, the device may acquire a second line (450) passing through a second-second point (480) that is inclined from the second-first point (470) toward the second adjacent tooth (330). The second-second point (480) may be a contact point representing a maximum range of inclination in a range where the second line (450) does not interfere with or penetrate the second adjacent tooth (330). The angle for the inclination of the second line (450) may be a maximum range of mesiodistal inclination angles that are inclined to the left with respect to the abutment axis (360). For example, based on the angle of the second line (450) that is inclined to the left with respect to an axis parallel to the abutment axis (360) passing through the 2-1 point (470), the 2-1 line (490) that is inclined by the same angle from the abutment axis (360) can be obtained. The 2-1 line (490) may be a line corresponding to the maximum range of inclination to the left with respect to the abutment axis (360) among the range of root-central inclination angles.

[0065] FIG. 5 is a drawing for explaining an example in which a device (100) according to one embodiment provides information on a range of inclination angles (510) of the root.

[0066] According to one embodiment, the device (100) may determine the angular range between the first-first line (390) to the right and the second-first line (490) to the left, based on the ground axis (360) passing through the center point (305) of the margin area, as the proximal-distal inclination angle range (510). The device (100) may display the proximal-distal inclination angle range (510) based on the center point (305) of the margin area.

[0067] FIG. 6 is a drawing for explaining an example in which a device (100) according to one embodiment provides information on a linear-slope angle range (630).

[0068] According to one embodiment, the device (100) can determine a buccal-lingual inclination range (630) for the target tooth (310) based on the buccal inclination of the target tooth (310) and the lingual inclination of the target tooth (310).

[0069] Referring to FIG. 6, the lateral slope angle may refer to an angle relative to the 3-1 line (610), and the lateral slope angle may refer to an angle relative to the 3-2 line (620). Specifically, the 3-1 line (610) may be a line connecting the upper point of the lateral margin line and the point of maximum fusion in the lateral direction, and the 3-2 line (620) may be a line connecting the upper point of the lateral margin line and the point of maximum fusion in the lateral direction.

[0070] The 3-1 line (610) represents the inclination of the front side of the target tooth (310) that is visible, and the 3-2 line (620) represents the inclination of the back side of the target tooth (310) that is not visible. When the buccal inclination angle and the lingual inclination angle are determined based on the 3-1 line (610) and the 3-2 line (620), the device (100) can determine the range between the buccal inclination angle and the lingual inclination angle as the buccal-lingual inclination angle range (630). The device (100) can display the buccal-lingual inclination angle range (630) based on the center point (305) of the margin area.

[0071] FIG. 7 is a drawing for explaining an example of a device (100) according to one embodiment of the present invention superimposing prosthetic modeling data on a virtual oral model based on a center point (305) of a margin area and displaying the same.

[0072] According to an embodiment, the device (100) can determine an insertion path corresponding to an insertion angle determined according to a mesiodist-distal inclination range (510) and a lateral-lateral inclination range (630). The device (100) can superimpose the prosthetic modeling data on the virtual oral model along the insertion path determined so that the center point (705) of the margin area of ​​the prosthetic modeling data, which represents the center of gravity within the margin area of ​​the prosthetic modeling data, and the center point (305) of the margin area of ​​the target tooth (310) are aligned. Accordingly, the device (100) can determine the position at which the prosthetic modeling data is inserted so that the center point (305) of the margin area of ​​the target tooth (310) and the center point (705) of the margin area of ​​the prosthetic modeling data are aligned as a prosthetic modeling data virtual position (710). The device (100) can display the determined prosthetic modeling data virtual position (710).

[0073] FIG. 8 is a drawing for explaining an example in which a device (100) according to one embodiment updates prosthetic modeling data based on a tooth (820) of the same name as a target tooth (310).

[0074] According to one embodiment, the angle-updated prosthetic modeling data (830) can be acquired based on the crown axis of the same-name tooth (820) for the target tooth (310). The device (100) can update the prosthetic modeling data (810) before angle update, which is located at the prosthetic modeling data virtual location (710), to correspond to the shape of the inverted homonymous tooth obtained by inverting the direction information based on the crown axis of the same-name tooth (820). For example, the direction and angle of the prosthetic modeling data (810) before angle update can be acquired by updating based on the abutment axis (360) so as to correspond to the direction and angle of the inverted homonymous tooth (820) based on the crown axis of the same-name tooth (820). Accordingly, the device (100) can obtain angle-updated prosthetic modeling data (830) by applying the same direction and angle to the inverted shape of the same-named tooth (820) of the target tooth (310) to the modeling data (810) before angle update.

[0075] FIG. 9 is a drawing for explaining an example of a device (100) updating prosthetic modeling data based on adjacent teeth (320, 330) of a target tooth (310) according to one embodiment.

[0076] According to one embodiment, the size update prosthetic modeling data (910) may be acquired based on the outer lines of the first adjacent tooth (320) and the second adjacent tooth (330) for the target tooth (310). As illustrated in FIG. 9, the device (100) may acquire the size update prosthetic modeling data (910) by updating the size of the prosthetic modeling data so that the outer line of the prosthetic modeling data contacts one point included in the outer line of the first adjacent tooth (320) and one point included in the outer line of the second adjacent tooth (330). For example, the device (100) can obtain updated size-updated prosthetic modeling data (910) by adjusting the size of the prosthetic modeling data so that the outer line of the prosthetic modeling data makes contact with the first adjacent tooth (320) at one point through the first adjacent tooth contact point (920) and the second adjacent tooth (330) at one point through the second adjacent tooth contact point (930). The device (100) can update the direction and angle of the prosthetic modeling data based on the same-named tooth (820), and can update the size of the prosthetic modeling data based on the outer line of the adjacent teeth (320, 330).

[0077] FIG. 10 is a drawing for explaining an example of a device (100) according to one embodiment displaying a state in which prosthetic modeling data (1020) is superimposed on a virtual oral model.

[0078] The device (100) can display an undercut area (1010) generated by inserting prosthetic modeling data (1020) into a target tooth (310), an insertion inclination range (1030) and an insertion direction (1040) indicating an insertable range of the prosthetic modeling data (1020). According to one embodiment, the device (100) can display the insertion inclination range (1030) including the mesio-distal inclination range (510) and the apical-lateral inclination range (630) in a three-dimensional cone shape. The device (100) can display an insertion direction (1040) indicating an expected insertion path determined according to an expected insertion angle. In addition, the device (100) can display a change in the undercut area (1010) that changes according to the insertion direction (1040).

[0079] FIG. 11 is a drawing illustrating an example in which a device (100) according to one embodiment provides information about a first undercut area (1011) based on a first expected angle.

[0080] FIG. 12 is a drawing illustrating an example in which a device (100) according to one embodiment provides information about a second undercut area (1012) based on a second expected angle.

[0081] FIG. 13 is a drawing illustrating an example in which a device (100) according to one embodiment provides information about a third undercut area (1013) based on a third expected angle.

[0082] Referring to FIGS. 11 to 13, when the insertion path is changed according to the insertion angle change, the device (100) can obtain angle update prosthesis modeling data (830) or size update prosthesis modeling data (910) according to the changed insertion angle, as described in FIGS. 8 and 9, and display the final update prosthesis modeling data (1020). The update prosthesis modeling data (1020) can be either the angle update prosthesis modeling data (830) or the size update prosthesis modeling data (910), or can be data to which both data are applied. The device (100) can display the update prosthesis modeling data (1020) obtained according to the insertion path direction (1040) for the first expected angle according to the insertion angle change, and can display the first undercut area (1011) corresponding to the update prosthesis modeling data (1020). Additionally, the device (100) can display a first expected slope (1110) indicating the slope for the first expected angle. The expected slope may be a guideline for providing updated slope information of the updated prosthetic modeling data (1020). When the expected insertion angle is updated to the second expected angle, the first undercut area (1011) can be updated and displayed as a second undercut area (1012) corresponding to the insertion direction (1040) for the second expected angle, and a second expected slope (1120) indicating the slope for the second expected angle can be displayed. Additionally, the device (100) can update the second undercut area (1012) to a third undercut area (1013) corresponding to the insertion direction (1040) for the third expected angle and display the updated second undercut area (1012) when the expected insertion angle is updated to a third expected angle, and can display a third expected slope (1130) indicating the slope for the third expected angle.According to an embodiment, when the insertion direction (1040) for the expected insertion angle is updated as described above, the device (100) can obtain updated prosthetic modeling data (1020) based on the updated expected insertion angle and the outer line of the adjacent teeth (320, 330). As described in FIGS. 8 and 9 , when the expected insertion angle is updated, updated prosthetic modeling data (1020) to which the direction and angle for the inverted shape of the same-named tooth (820) of the target tooth (310) are applied can be obtained, or updated prosthetic modeling data (1020) in which the first adjacent tooth contact point (920) and the second adjacent tooth contact point (920) that contact the adjacent teeth (320, 330) are updated can be obtained.

[0083] The above-described embodiments are merely examples and are not intended to be limiting.

[0084] The order and combination of steps illustrated above are exemplary, and it should be understood that the order, combination, branching, function, and execution entity may be varied, added, omitted, or modified without departing from the essential characteristics of each component described in the specification. Furthermore, throughout the specification, "providing" encompasses a process by which a subject acquires specific information or transmits or receives it directly or indirectly to or from a specific subject, and can be interpreted to comprehensively encompass the performance of related operations required in this process.

[0085] Various embodiments of the present disclosure may be implemented as software comprising one or more instructions stored in a storage medium (e.g., memory) readable by a machine (e.g., a display device or a computer). For example, a processor (120) of the machine (e.g., processor (120)) may call at least one instruction among the one or more instructions stored from the storage medium and execute it. This enables the machine to operate to perform at least one function according to the at least one called instruction. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The machine-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' simply means that the storage medium is a tangible device and does not contain signals (e.g., electromagnetic waves), and the term does not distinguish between cases where data is stored semi-permanently or temporarily on the storage medium.

[0086] According to one embodiment, the methods according to various embodiments disclosed in the present disclosure may be provided as included in a computer program product. The computer program product may be distributed in the form of a machine-readable storage medium, or may be distributed online (e.g., downloaded or uploaded) via an application store (e.g., Play Store™), or directly between two user devices (e.g., smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.

[0087] Those skilled in the art will appreciate that the present invention can be implemented in modified forms without departing from the essential characteristics of the above-described description. Therefore, the disclosed methods should be considered illustrative rather than restrictive. The scope of the present disclosure is set forth in the claims, not the foregoing description, and all differences within the scope equivalent thereto should be construed as being encompassed by the present disclosure.

Claims

1. In a method for providing information on prosthetic modeling data, A step of the receiver obtaining a virtual oral cavity model for a plurality of teeth; A step in which the receiving unit acquires prosthesis modeling data for a prosthesis to be inserted into a target tooth, which is one of the plurality of teeth; A step in which the processor determines the expected insertion direction of the prosthesis based on the crown axis of the adjacent teeth of the target tooth; The step of the processor determining the mesiodistal inclination range based on the angle between the margin line of the target tooth and the adjacent tooth; and A method comprising: a step of displaying the prosthetic modeling data on the virtual oral model in a state where the prosthetic modeling data is superimposed according to the expected insertion direction; 2. In paragraph 1, The above prosthetic modeling data is A method obtained based on the crown axis of the tooth with the same name as the target tooth and the outer line of the adjacent tooth.

3. In paragraph 1, A step of determining a buccal-lingual inclination range for the target tooth based on the buccal-lingual inclination angle of the target tooth and the lingual inclination angle of the target tooth; and A method further comprising: a step of displaying the above-mentioned slope angle range; 4. In paragraph 3, The step of displaying the above-mentioned root-center inclination range is A method for displaying the above-mentioned root-central inclination range and the above-mentioned shunt-sul slope range in a cone shape.

5. In paragraph 3, A method further comprising: a step of displaying an expected insertion path determined according to the expected insertion angle; 6. In paragraph 1, The above range of the root-center inclination angle is A method in which the margin line is displayed based on the center point of the margin area within the margin area indicated by the margin line.

7. In paragraph 1, A method further comprising: a step of displaying an undercut area of ​​the target tooth determined according to the expected insertion direction; 8. In paragraph 7, A method further comprising: a step of updating and displaying the undercut area as the expected insertion direction is updated; 9. In paragraph 1, A method further comprising: a step of updating and displaying the prosthetic modeling data based on the updated expected insertion direction and the outer line of the adjacent tooth when the expected insertion direction is updated.

10. In paragraph 1, A method wherein the above expected insertion direction is determined based on the average of the crown axes of a plurality of adjacent teeth for the target tooth.

11. In paragraph 1, The step of determining the above-mentioned root-center inclination range is A step of determining the closest point of contact between the margin line of the target tooth and the adjacent tooth; A step of determining a tangent line that passes through the closest point and touches the adjacent tooth; and A method comprising: determining the mesiodistal inclination range based on the angle between the axis of the target tooth and the tangent line; 12. In a device that provides information on prosthetic modeling data, Obtain a virtual oral model of multiple teeth, A receiving unit for obtaining prosthesis modeling data for a prosthesis to be inserted into a target tooth, which is one of the plurality of teeth; and Determine the expected insertion direction of the prosthesis based on the crown axis of the adjacent teeth of the target tooth, Determine the mesiodistal inclination range based on the angle between the margin line of the target tooth and the adjacent tooth, A device comprising a processor for displaying the prosthetic modeling data for the virtual oral model in a state in which the prosthetic modeling data is superimposed according to the expected insertion direction; 13. In paragraph 12, The above processor Determine the buccal-lingual inclination range for the target tooth based on the buccal inclination of the target tooth and the lingual inclination of the target tooth, A device displaying the above-mentioned range of slope angles.

14. In paragraph 12, The above processor A device that displays the undercut area of ​​the target tooth determined according to the expected insertion direction.

15. In paragraph 14, The above processor A device that updates and displays the undercut area as the expected insertion direction is updated.

16. In paragraph 12, The above processor A device that updates and displays the prosthetic modeling data based on the updated expected insertion direction and the outer line of the adjacent tooth when the expected insertion direction is updated.

17. A computer-readable recording medium having recorded thereon a program for executing the method of any one of paragraphs 1 to 11 on a computer.

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