Data processing apparatus for occlusal vertical dimension of patient, method for driving apparatus, and computer-readable recording medium
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- MEGAGEN IMPLANT
- Filing Date
- 2025-12-02
- Publication Date
- 2026-06-25
Smart Images
Figure KR2025020358_25062026_PF_FP_ABST
Abstract
Description
Data processing device for patient occlusal height, method of operating the device, and computer-readable recording medium
[0001] The present invention relates to a device for determining the occlusal height of a patient, a method for operating the device, and a computer-readable recording medium. More specifically, the invention relates to a data processing device for determining the occlusal height of a patient, a method for operating the device, and a computer-readable recording medium, which can achieve the patient's ideal occlusal height by analyzing CT data obtained through computed tomography (CT) of the patient's oral cavity and head using artificial intelligence (AI) when restoring the patient's occlusal height for the use of implants or dentures, and by adjusting a 3D tooth model (STL file) with the patient's mandibular condylar as a reference axis on the CT data.
[0002] Occlusal height can be understood as the relationship between the heights of the upper and lower jaws when a person chews, regardless of whether they have teeth or not. For example, assuming that the occlusal height of a normal person with all teeth is measured as the length from the tip of the nose to the tip of the chin, if that person has aged and lost all their teeth, they will appear sunken when closing their mouth, and the length from the tip of the nose to the tip of the chin will clearly be significantly reduced. This indicates a decrease in occlusal height. If dentures or implants are required, it is necessary to determine the level of tooth occlusion to recreate the patient's past bite situation. If the occlusal height is too long, the lips cannot close properly, and the dentures are bitten before the point where the patient expects to bite, resulting in a lack of force when chewing. Conversely, if dentures are fabricated with a low occlusal height, the patient's appearance may look sunken and aged, and the need to clench the mouth excessively while chewing can strain the temporomandibular joint. Of course, there may be various reference points for measuring occlusal height.
[0003] Traditionally, the process of restoring occlusal height, which is an essential part of the treatment for edentulous or partially edentulous patients, was carried out using devices such as wax rims and Gothic arches. However, this method involves the inconvenience of going through various steps, such as requiring the patient to visit the dental clinic multiple times and creating frames based on the patient's occlusal height measurements.
[0004] Accordingly, the technical problem to be solved by the present invention is to provide a data processing device for a patient's occlusal height, a method for operating the device, and a computer-readable recording medium, which can achieve the patient's ideal occlusal height by analyzing CT data obtained through computed tomography (CT) of the patient's oral cavity and head using artificial intelligence (AI) when restoring the patient's occlusal height for, for example, the use of implants or dentures, and by adjusting a 3D tooth model with the patient's mandibular condyle on the CT data as a reference axis.
[0005] According to an embodiment of the present invention, the current occlusal height of a patient can be analyzed using artificial intelligence based on a CT scan taken of the patient, without the inconvenience of having to apply a wax rim for occlusal height measurement and visit a hospital multiple times as in the past, and an ideal occlusal height can be achieved based on the analyzed value.
[0006] FIG. 1 is a diagram showing a system for restoring occlusal height using artificial intelligence according to an embodiment of the present invention.
[0007] FIGS. 2 to 6 are drawings illustrating the process of restoring occlusal height using artificial intelligence according to an embodiment of the present invention.
[0008] Figure 7 is a block diagram illustrating the detailed structure of the occlusal height data processing device of Figure 1.
[0009] Figure 8 is a flowchart showing the operation process of the occlusal height data processing device of Figure 1.
[0010] According to one aspect of the present invention, a data processing device for determining the occlusal height of a patient may be provided, characterized by comprising: a storage unit for storing computed tomography (CT) data of the patient’s oral cavity and head for determining occlusal height; and a control unit for analyzing the stored CT data by applying an artificial intelligence (AI) program and adjusting a designated tooth 3D model with the patient’s mandibular condyle as a reference axis on the CT data based on the analysis results to determine the patient’s occlusal height.
[0011] The control unit can apply an artificial intelligence program to analyze the CT data to find designated reference points on the patient's skull, and use the measured values obtained by measuring the angles and distances between the found reference points as the analysis results.
[0012] When the occlusal height of the patient is determined, the control unit can generate and output crown data related to the fabrication of the patient's tooth crown corresponding to the determined occlusal height.
[0013] The above control unit can generate crown data that reflects the average movement value calculated using data related to the jaw joint movements of patients when generating crown data related to the fabrication of the tooth crown.
[0014] The above control unit can generate crown data according to gender by distinguishing gender when generating crown data for the jaw joint movement.
[0015] The control unit above can generate tooth library data according to the arrangement of teeth as the crown data by using information about the patient's mandible when generating the crown data to arrange teeth that match the patient's condition.
[0016] Additionally, according to another aspect of the present invention, a method for operating a data processing device for determining the occlusal height of a patient may be provided, comprising the steps of: a storage unit storing computed tomography (CT) data that has captured the oral cavity and head of a patient for determining the occlusal height; and a control unit analyzing the stored CT data by applying an artificial intelligence (AI) program and adjusting a designated tooth 3D model with the patient's mandibular condylar as a reference axis on the CT data based on the analysis results to determine the occlusal height of the patient.
[0017] The step of adjusting the occlusal height can utilize the analysis results obtained by applying an artificial intelligence program to analyze the CT data to locate designated reference points on the patient's skull and measuring the angles and distances between the found reference points.
[0018] The step of adjusting the occlusal height above can generate and output crown data related to the fabrication of the patient's tooth crown corresponding to the determined occlusal height once the patient's occlusal height is determined.
[0019] The step of adjusting the occlusal height above can generate fabrication data that reflects the average movement value calculated using data related to the patients' jaw joint movements when generating crown data related to the fabrication of the tooth crown.
[0020] The step of adjusting the occlusal height above can generate crown data according to gender by distinguishing gender when generating crown data for the jaw joint movement.
[0021] The step of adjusting the occlusal height can generate the tooth library data according to the arrangement of teeth as the crown data by arranging teeth that match the patient's condition using information about the patient's mandible when generating the manufacturing data.
[0022] Additionally, according to another aspect of the present invention, a computer-readable recording medium may be provided that includes a program for executing a method of driving a data processing device for determining the occlusal height of a patient, wherein the method of driving the data processing device for determining the occlusal height of a patient comprises the steps of: storing computed tomography (CT) data obtained by photographing the oral cavity and head of a patient for determining the occlusal height; and analyzing the stored CT data by applying an artificial intelligence (AI) program and, based on the analysis results, adjusting a designated tooth 3D model with the patient's mandibular condylar as a reference axis on the CT data to determine the occlusal height of the patient.
[0023] Specific structural or functional descriptions of embodiments according to the concept of the present invention disclosed herein are provided merely for the purpose of explaining embodiments according to the concept of the present invention, and embodiments according to the concept of the present invention may be implemented in various forms and are not limited to the embodiments described herein.
[0024] Since embodiments according to the concept of the present invention may be subject to various modifications and may take various forms, embodiments are illustrated in the drawings and described in detail in this specification. However, this is not intended to limit the embodiments according to the concept of the present invention to specific disclosed forms, and includes all modifications, equivalents, or substitutions that fall within the spirit and scope of the present invention.
[0025] Terms such as "first" or "second" may be used to describe various components, but said components should not be limited by said terms. For the sole purpose of distinguishing one component from another, for example, without departing from the scope of rights according to the concept of the present invention, the first component may be named the second component, and similarly, the second component may be named the first component.
[0026] When it is stated that one component is "connected" or "connected" to another component, it should be understood that while it may be directly connected or connected to that other component, there may also be other components in between. Conversely, when it is stated that one component is "directly connected" or "directly connected" to another component, it should be understood that there are no other components in between. Other expressions describing the relationship between components, such as "between" and "exactly between," or "adjacent to" and "directly adjacent to," should be interpreted in the same way.
[0027] The terms used herein are used merely to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as “comprising” or “having” are intended to specify the existence of the implemented features, numbers, steps, actions, components, parts, or combinations thereof, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.
[0028] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in this specification.
[0029] In the drawings, the thicknesses of layers and regions are exaggerated for clarity. Where a layer is referred to as being "on" another layer or substrate, or where a layer is referred to as being bonded or bonded to another layer or substrate, it may be formed directly on the other layer or substrate, or a third layer may be interposed between them. Throughout the specification, parts indicated by the same reference numeral refer to the same components.
[0030] Terms such as top, bottom, upper surface, lower surface, front, rear, or upper and lower are used to distinguish relative positions within a component. For example, while the upper part of a drawing may be designated as the upper part and the lower part as the lower part for convenience, in practice, the upper part may be designated as the lower part and the lower part as the upper part without exceeding the scope of the present invention. Furthermore, the components in the drawings are not necessarily drawn to scale; for instance, the size of some components in the drawings may be exaggerated compared to others to aid in understanding the present invention.
[0031] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0032] FIG. 1 is a diagram showing a system for restoring occlusal height using artificial intelligence according to an embodiment of the present invention.
[0033] As illustrated in FIG. 1, a system for restoring occlusal height using artificial intelligence according to an embodiment of the present invention (hereinafter, occlusal height restoration system) (90) includes part or all of an imaging device (100) and an occlusal height data processing device (110).
[0034] Here, "including some or all" means that the occlusal height data processing device (110) can be integrated into the imaging device (100), and to facilitate a sufficient understanding of the invention, it is explained as including all. For example, the occlusal height recovery system (90) according to the embodiment of the present invention can be configured in various forms. For example, if the occlusal height data processing device (110) is configured in the form of a cloud server, etc., the imaging device (100) used in various locations nationwide can be integratedly controlled to perform operations for the recovery of occlusal height according to the embodiment of the present invention. However, in the embodiment of the present invention, the occlusal height data processing device (110) is described below as being a computer of medical staff within a hospital (e.g., a dental clinic, etc.).
[0035] The imaging device (100) may preferably be a CT imaging device according to an embodiment of the present invention, and a Cone Beam CT (CBCT) may be used as the CT imaging device. CBCT is mainly used in dentistry. CBCT is smaller than the medical CT used in general hospitals, allows for standing imaging, and takes about 15 to 30 seconds, which is shorter than the time required for medical CT. Of course, tomography is performed through a sensor, or detector, that receives X-ray signals. When X-rays are irradiated, signals reflected by various tissues or organs within the face are sensed through the detector and utilized as depth information, thereby enabling the generation of three-dimensional (3D) data. In this way, the CBCT used in dentistry can be utilized to visually view the oral cavity or the head. Depending on the patient's condition or needs, images such as CT can be taken at once, ranging from as few as tens to as many as hundreds.
[0036] The occlusal height data processing device (110) can receive CT data captured by the imaging device (100) and perform processing operations such as analyzing the CT data. Since the occlusal height data processing device (110) according to the embodiment of the present invention can be configured in various forms, the embodiment of the present invention will not be specifically limited to any one form. For example, the occlusal height data processing device (110) according to the embodiment of the present invention may be a computer-readable recording medium mounted within the imaging device (100), or it may be a computer program in the form of software stored in the recording medium. In addition, the occlusal height data processing device (110) may be a computer of a medical professional connected to and operating with the imaging device (100). Of course, in the case of an occlusal height data processing device (110) such as a computer, it may perform operations to match the patient's most ideal occlusal height using CT data, and may include a computer-readable recording medium and a computer program for this purpose. In addition, the occlusal height data processing device (110) may take the form of a cloud server that processes CT data from a distance (or remotely), so the embodiments of the present invention will not be specifically limited to any one of these forms.
[0037] The occlusal height data processing device (110) according to an embodiment of the present invention may be equipped with an artificial intelligence (AI) model or program that analyzes CT data to match the patient's most ideal occlusal height, and the AI model may pre-learn learning data for the patients' occlusal height. For example, the learning data may be generated and learned based on data of patients who have recovered their occlusal height according to the method according to an embodiment of the present invention. In addition, the occlusal height data processing device (110) may pre-manufacture, store, and utilize a tooth 3D model (STL file). In other words, the AI model can analyze CT data received from an imaging device (100), such as a CBCT, based on the learning data and derive the analysis results. Then, using the analyzed values, the (pre-)designated tooth 3D model can be adjusted with the patient's mandibular condyle, that is, the head of the lower jaw, as the reference axis on the CT data to match the patient's ideal occlusal height. By applying an AI program, designated reference points on the patient's skull, etc., can be found, and the distance and angle between those reference points can be measured. To this end, the occlusal height data processing device (110) can check the value of the patient's occlusal height through cephalometric analysis using artificial intelligence and automatically adjust the height to suit the patient. That is, the artificial intelligence program can perform cephalometric analysis. A program designed to perform the analysis method, such as an algorithm, can be loaded and executed. The McNamara analysis method and the Downs analysis method can be used as analysis methods.
[0038] The occlusal height data processing device (110) according to an embodiment of the present invention can operate to present a new approach to full-mouth restoration. That is, it can find the patient's ideal occlusal height and enable the entire process, from implant planning to temporary design, to be completed in a single visit. More specifically, looking at the process up to the final creation of an implant prosthesis using the occlusal height data processing device (110), data can be acquired immediately after the patient's consultation. The facial, or face scan, captured by the imaging device (100) according to an embodiment of the present invention can be analyzed by artificial intelligence using a smile creator to determine the patient's ideal smile line and used immediately for consultation.
[0039] In addition, in an embodiment of the present invention, a dental avatar can be generated, and operations according to the embodiment of the present invention can be performed. A dental avatar (e.g., a 3D tooth model) can be created, and a CT scan can be realigned using AI. Furthermore, without the need for separate operations such as wax rims, the patient's skeleton can be analyzed using AI cephalometric analysis, and an occlusal vertical dimension (VD) value suitable for the patient can be provided. The occlusal vertical dimension value can be displayed, for example, on a monitor screen. Through this process, an ideal occlusal vertical dimension can be restored simultaneously with surgery. A temporary prosthesis created to match the ideal occlusal plane and occlusal vertical dimension set during the diagnostic wax-up stage can provide a comfortable occlusal vertical dimension to edentulous patients. Moreover, a final prosthesis can be restored. It is possible to fabricate a precise final prosthesis through mandibular condyle tracking using a checkbite scan and digital mounting using a digital facebow transfer.
[0040] The occlusal height data processing device (110) may also generate crown data necessary for the production of the above-mentioned prosthesis, such as a crown covering a patient's tooth, and transmit it to a device such as a dental laboratory. A tooth crown refers to an artificial cover placed over a tooth to repair a damaged tooth. Of course, the crown data according to the embodiment of the present invention may include various data. The crown data may include information related to the patient's mandible, that is, data in which crowns are arranged based on pre-set reference points. In addition, the crown data may include data related to implants or prosthetics.
[0041] In addition to the above, the imaging device (100) and occlusal height data processing device (110) of Fig. 1 will be covered further later, so detailed information will be replaced by those contents.
[0042] FIGS. 2 to 6 are drawings illustrating the process of restoring occlusal height using artificial intelligence according to an embodiment of the present invention.
[0043] For convenience of explanation, referring to FIGS. 2 to 6 together with FIG. 1, the occlusal height recovery process using artificial intelligence according to an embodiment of the present invention may include operations such as CBCT realignment (step 01 of FIG. 2), patient impression scanning and matching (step 02 of FIG. 2), face scanning and digital patient generation (step 03 of FIG. 2), face pattern analysis (step 04 of FIG. 2), digital oral design (step 05 of FIG. 2), and data output (step 06 of FIG. 2).
[0044] The occlusal height data processing device (110) of FIG. 1 performs realignment of the patient's skull position to the FH Plane or natural head position through CBCT realignment operation. This can be seen as an essential step for diagnosis and accurate treatment planning. The occlusal height data processing device (110) of FIG. 1 receives CT data captured by the imaging device (100) and realigns, or processes, the data to satisfy preset conditions. For example, the data can be realigned so that the patient has a natural head position. All analysis methods accumulated in the dental field can be based on the patient's correct head position, skeletal structure, and facial contours.
[0045] In addition, the occlusal height data processing device (110) scans the patient's impression to generate and output an STL file for the patient's impression scanning and matching operation, and superimposes it onto the previously realigned CBCT. Here, the STL file has a file format that can express the geometric pattern structure of a 3D model or object by connecting small triangles.
[0046] The occlusal height data processing device (110) can then perform face scanning and digital patient generation operations. In this step, the patient's smile is scanned and the AI analyzes the patient's smile line. A dental avatar can be generated by superimposing it on the realigned CBCT. A smile 3D operation can be performed by capturing the patient's smile.
[0047] The occlusal height data processing device (110) can further perform a face pattern analysis operation. By analyzing the patient's skull to find the ideal occlusal height, the patient's ideal occlusal height can be set with a single click without a separate device such as a wax rim. In order to set this ideal occlusal height, the artificial intelligence program can learn data related to occlusal height in advance.
[0048] The occlusal height data processing device (110) can perform cephalometric analysis according to an embodiment of the present invention to set reference points or landmarks on the patient's skull as shown in FIG. 3, generate distances or angles between the reference points or landmarks, or display the generated values on the screen. These angles or distances can be measured through pixel analysis, and distance measurement is possible by storing data by matching the distance (value) per pixel with the actual distance value of the patient's skull. Of course, angle measurement can also be performed by applying an algorithm for angle measurement. Through cephalometric analysis using AI, the value of the patient's occlusal height can be verified, and the height can be automatically adjusted to suit the patient. By applying the occlusal relationship between the upper and lower jaws formed in this way to scan data, the ideal tooth and intermaxillary relationship can be identified when simulating the implant position, thereby reducing the number of patient visits and the treatment process.
[0049] Figures 4 (a) and 4 (b) respectively show a comparison of the patient's occlusal height before and after applying a program according to an embodiment of the present invention. As seen in Figure 4, the change in the patient's occlusal height can be confirmed. In this way, the occlusal height data processing device (110) can determine and analyze the patient's ideal occlusal height using CT data and analyzed AI without the need for a separate device for the patient.
[0050] The occlusal height data processing device (110) can generate a file to be transmitted to a dental laboratory and, for this purpose, can perform the digital oral design and data output operations of FIG. 2. For digital oral design, the ideal tooth position can be determined and evaluated through a digital face bow and occlusal plane library. In this step, reference points for the upper and lower jaws are provided so that the design can be made. FIG. 5 shows the design of an ideal tooth arrangement. It shows the occlusal height setting suitable for the patient's condition and the tooth library arrangement at the ideal position for edentulous or partially edentulous patients.
[0051] In addition, the occlusal height data processing device (110) can output all digital data as an STL file after determining the treatment plan and can proceed with final work including implant planning, guide design, and prosthetics. It can also be imported into all CAD software used in digital dental laboratories. Figure 6 shows a screen for diagnosing the implant position. The implant position can be finally determined by checking bone density and bone width to match the ideal tooth position (final treatment goal). Of course, the digital data resulting from this can be generated in an STL file format.
[0052] Figure 7 is a block diagram illustrating the detailed structure of the occlusal height data processing device of Figure 1.
[0053] As illustrated in FIG. 7, the occlusal height data processing device (110) of FIG. 1 according to an embodiment of the present invention includes, for example, a computer-readable recording medium (or computer program), a computer or a server, and includes part or all of an interface unit (700), a control unit (710), an occlusal height data processing unit (720), and a storage unit (730).
[0054] Here, "including some or all" means that some components, such as the storage unit (730), may be omitted to form the occlusal height data processing device (110), or some components, such as the occlusal height data processing unit (720), may be integrated into other components, such as the control unit (710). To facilitate a sufficient understanding of the invention, it is explained as including all components.
[0055] The interface unit (700) may include a communication interface unit or a display unit. The interface unit (700) may receive CT data of the patient's head or oral cavity provided from the imaging device (100) of FIG. 1 and provide it to the control unit (710). Additionally, the interface unit (700) may display the analysis results of the CT data analyzed by the occlusal height data processing unit (720) under the control of the control unit (710) on the screen of the display unit. Here, the analysis results of the CT data may be the analysis values obtained through cephalometric analysis as seen in FIG. 3 and FIG. 4.
[0056] Additionally, the interface unit (700) may provide a simulation screen according to an embodiment of the present invention on the screen of the display unit. Through the simulation process, a 3D model of teeth, such as a dental avatar related to the patient, may be displayed on the screen, and the movement of the jaw joint may be reflected using the model with the jaw joint as a reference axis. The movement of the jaw joint may be achieved by reflecting the average movement values of the patients, and in this process, the gender of male or female may be selected and reflected. Through this simulation, crown data or digital data related to crown fabrication may be generated, and the generated digital data may be transmitted to a device of a dental laboratory under the control of the control unit (710). The interface unit (700) may be involved in this operation.
[0057] The control unit (710) may include a processor such as a CPU, MPU, or GPU, and may further include memory such as RAM. It is also possible for the processor and memory to be configured as a single chip, such as an IC chip. The control unit (710) can perform overall control operations of the interface unit (700), occlusal height data processing unit (720), and storage unit (730) of FIG. 7. The control unit (710) can receive CT data of the head or oral cavity of a patient recovering occlusal height through the interface unit (700), temporarily store it in the storage unit (730), retrieve it, and provide it to the occlusal height data processing unit (720) for data analysis.
[0058] Additionally, the control unit (710) can reflect the analysis value of CT data analyzed through the occlusal height data processing unit (720) onto a 3D tooth model, such as a patient's dental avatar, and display the analysis value on a screen as in FIG. 3 or FIG. 4. To do this, the control unit can control the operation of the display unit constituting the interface unit (700). Of course, after the 3D tooth model is displayed on the screen, control for simulation can be performed. The 3D tooth model is simulated to fit the patient by an expert's screen interface for restoring occlusal height, and through this simulation process, digital data such as the fabrication of a crown for restoring the patient's ideal occlusal height can be generated.
[0059] For example, if the patient is female and movement information is determined based on the jaw joint as a reference axis, digital data related to crown fabrication, etc., can be generated accordingly. The control unit (710) can control the interface unit (700) to transmit the digital data related to crown fabrication generated and provided by the occlusal height data processing unit (720) to the device of the dental laboratory.
[0060] The occlusal height data processing unit (720) can perform operations to restore the occlusal height of patients according to an embodiment of the present invention. To restore the occlusal height, CT data captured by an imaging device (100), such as a CBCT provided in a dental clinic, can be analyzed using an AI program (or model) according to an embodiment of the present invention to generate data for restoring the occlusal height. Of course, when CT data is input, the occlusal height data processing unit (720) can apply the AI program to generate and output digital data, such as crown fabrication, for restoring the patient's occlusal height. Of course, to generate digital data for restoring the patient's occlusal height, the occlusal height data processing unit (720) can load an AI model to perform operations according to an embodiment of the present invention, train the loaded AI model, or load and execute an already trained AI model.
[0061] The occlusal height data processing unit (720) according to an embodiment of the present invention can perform cephalometric analysis when analyzing pre-entered CT data by executing an AI model. Through this, reference points of landmarks (or feature areas) can be set on the CT data (or image) of the patient's head or oral cavity, and measurement values can be generated by measuring the distance or angle between the set reference points. Of course, this process can be calculated by applying an algorithm to measure distance or angle through pixel analysis.
[0062] Since such distance and angle measurements can be performed in various ways using pixels, the embodiments of the present invention will not be specifically limited to any one form. For example, assuming there are three subpixels between reference point A and reference point B, and the actual distance value on the patient's face per subpixel is 1 cm, the actual distance between point A and point B becomes 3 cm. In addition, regarding the angle, for example, an arbitrary normal vector can be set for point A and the angle with point B can be measured using this as the reference axis, and in this case as well, it is entirely possible to calculate it using pixels.
[0063] The occlusal height data processing unit (720) may perform simulation operations by applying the analysis values analyzed by cephalometric analysis using AI to a 3D tooth model, such as a patient's dental avatar. Here, the simulation operation is intended to reflect the movement of the jaw joint as an average value for patients using the patient's jaw joint as a reference axis, and also to reflect the gender of male or female, so that the most ideal occlusal height is achieved for each patient when an implant is actually placed on the patient's tooth or a crown is provided. Here, by applying only the average value of the movement, the worst data among patients who have recovered their actual occlusal height is excluded, so that the relationship between the tooth and the jaw can be considered to have been ideally achieved.
[0064] Accordingly, the occlusal height data processing unit (720) can generate data reflecting the average values of gender and jaw joint movement, and more specifically, can retrieve stored data such as the mandibular plane of the patient's mandible to generate and output digital data reflecting the tooth library array. Of course, in addition, the occlusal height data processing unit (720) can determine the implant position by checking bone density and bone width to match the ideal tooth position, and generate and output related data.
[0065] The storage unit (730) can temporarily store various types of data under the control of the control unit (710). The storage unit (730) can temporarily store CT data of the patient's head or oral cavity provided through the interface unit (700) and then output it for data analysis. Additionally, the storage unit (730) can store the model or data of the patient's dental avatar and can output it under the control of the control unit (710) upon request from the occlusal height data processing unit (720).
[0066] In addition to the above, the interface unit (700), control unit (710), occlusal height data processing unit (720), and storage unit (730) of FIG. 7 can perform various operations, and other details have been sufficiently explained above, so they will be replaced by those details.
[0067] According to an embodiment of the present invention, the interface unit (700), control unit (710), occlusal height data processing unit (720), and storage unit (730) of FIG. 7 are composed of hardware modules that are physically separated from each other, but each module may store software for performing the above operations internally and execute it. However, since the software is a set of software modules and each module can be formed as hardware, the configuration will not be specifically limited to software or hardware. For example, the storage unit (730) may be a storage or memory which is hardware. However, since it is also possible to store information in a software repository, the above content will not be specifically limited.
[0068] Meanwhile, as another embodiment of the present invention, the control unit (710) may include a CPU and memory and may be formed as a single chip. The CPU includes a control circuit, an arithmetic logic unit (ALU), an instruction interpretation unit, and a registry, and the memory may include RAM. The control circuit may perform control operations, the arithmetic logic unit may perform operations on binary bit information, and the instruction interpretation unit may include an interpreter or a compiler to perform operations that convert high-level language into machine language and machine language into high-level language, and the registry may be involved in software data storage. According to the above configuration, for example, the occlusal height data processing device (110) can rapidly increase the data calculation processing speed by copying a program stored in the occlusal height data processing unit (720) at the beginning of operation, loading it into memory, i.e., RAM, and then executing it. In the case of a deep learning model, it may be loaded into GPU memory instead of RAM and executed by using the GPU to accelerate the execution speed.
[0069] Figure 8 is a flowchart showing the operation process of the occlusal height data processing device of Figure 1.
[0070] For convenience of explanation, refer to FIG. 8 together with FIG. 1. The occlusal height data processing device (110) of FIG. 1 according to an embodiment of the present invention can store CT data taken of a patient's head or oral cavity for occlusal height (S800). Of course, such CT data can be received and stored directly through a scanning device (100) such as a CBCT provided in a dental hospital, but it can also be received through a storage medium such as a USB.
[0071] In addition, the occlusal height data processing device (110) can analyze the stored CT data by applying an artificial intelligence (AI) program and, based on the analysis results, adjust the designated tooth 3D model with the patient's mandibular condyle as the reference axis on the CT data to match the patient's occlusal height (S810). Of course, in this process, the occlusal height data processing device (110) can produce a crown to restore the patient's occlusal height and finally determine the implant position for implanting the implant into the patient's oral cavity, and generate and output digital data related to crown production, etc.
[0072] The occlusal height data processing device (110) according to an embodiment of the present invention can conveniently process the procedure for restoring the patient's occlusal height by using CT data of the patient's head or oral cavity and an artificial intelligence program that analyzes the data. When analyzing CT data, the artificial intelligence program can apply methods that have already been proven in many dental clinics. For example, cephalometric analysis can be performed when analyzing CT data. Accordingly, reference points of landmarks can be set on the patient's CT data or image, and the distance and angle between the set reference points can be measured. Here, the reference points of landmarks can be set based on the analysis results of the CT data, pre-set information, or training data learned by the artificial intelligence program.
[0073] Furthermore, by applying the analysis values based on the cephalometric analysis of the occlusal height data processing device (110) to a 3D tooth model, such as a patient's dental avatar, and performing a simulation, and then generating digital data accordingly, the most ideal occlusal height can be achieved for the patient. For example, the movement of the jaw joint can be determined by the simulation, and the average value of the movement can be reflected based on data from actual experience cases of many patients—that is, patients who have recovered their occlusal height—using the jaw joint as a reference axis. Through this process alone, one can get closer to the recovery of the ideal occlusal height. Furthermore, since the movement of the jaw joint differs depending on gender, such as male or female, the ideal occlusal height can be achieved by reflecting the patient's gender and generating data accordingly, that is, according to the simulation. When performing the simulation, the AI program can automatically generate and output information such as the movement of the jaw joint according to the simulation.
[0074] The occlusal height data processing device (110) can generate digital data related to the fabrication of crowns for patients to restore occlusal height and provide it to the device of the dental laboratory in the form of an STL file format. The digital data may include design data that determines the ideal tooth position through a (tooth) library regarding the occlusal plane related to the patient's mandible. In addition to such guide designs, that is, design data related to the ideal tooth arrangement, as well as diagnostic data based on the diagnosis of implant position, it can provide such design data.
[0075] In addition to the above, the occlusal height data processing device (110) of FIG. 1 can perform various operations, and other detailed information has been sufficiently explained above, so it will be replaced with that information.
[0076] Although preferred embodiments have been illustrated and described above, the present invention is not limited to the specific embodiments described above. It is understood that various modifications can be made by those skilled in the art without departing from the essence of the invention as claimed in the claims, and such modifications should not be understood individually from the technical spirit or perspective of the present invention.
[0077] Meanwhile, although it has been described that all components constituting an embodiment of the present invention are combined or operate in combination, the present invention is not necessarily limited to such an embodiment. That is, within the scope of the purpose of the present invention, all components may be selectively combined in one or more ways to operate. Furthermore, while all components may each be implemented as a single independent piece of hardware, they may also be implemented as a computer program having a program module that performs some or all of the combined functions on one or more pieces of hardware by selectively combining some or all of the components. The codes and code segments constituting the computer program can be easily inferred by those skilled in the art of the present invention. An embodiment of the present invention may be implemented by storing such a computer program on a non-transitory computer-readable media, reading it, and executing it by a computer.
[0078] Here, a non-transient readable recording medium refers to a medium that stores data semi-permanently and can be read by a device, rather than a medium that stores data for a short period of time, such as a register, cache, or memory. Specifically, the programs described above may be stored and provided on non-transient readable recording media such as CDs, DVDs, hard disks, Blu-ray discs, USBs, memory cards, and ROMs.
[0079] Although preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the specific embodiments described above. It is understood that various modifications can be made by those skilled in the art without departing from the essence of the invention as claimed in the claims, and such modifications should not be understood individually from the technical spirit or perspective of the present invention.
[0080] The present invention can be used in the dental industry.
Claims
1. A storage unit for storing computed tomography (CT) data of the patient's oral cavity and head for occlusal height; and A data processing device for a patient's occlusal height, characterized by including a control unit that analyzes the stored CT data by applying an artificial intelligence (AI) program and adjusts a designated tooth 3D model based on the analysis results using the patient's mandibular condylar as a reference axis on the CT data to match the patient's occlusal height.
2. In Paragraph 1, A data processing device for a patient's occlusal height, characterized in that the control unit applies an artificial intelligence program to analyze the CT data to find designated reference points on the patient's skull, and uses the measured values obtained by measuring the angles and distances between the found reference points as the analysis results.
3. In Paragraph 1, A data processing device for a patient's occlusal height, characterized in that the above-described control unit generates and outputs crown data related to the fabrication of a patient's tooth crown corresponding to the determined occlusal height when the patient's occlusal height is determined.
4. In Paragraph 1, A data processing device for a patient's occlusal height, characterized in that the above-described control unit generates crown data that reflects an average movement value calculated using data related to the patient's jaw joint movement when generating crown data related to the fabrication of the tooth crown.
5. In Paragraph 4, A data processing device for a patient's occlusal height, characterized in that the above-described control unit distinguishes gender when generating crown data for the jaw joint movement and generates crown data according to gender.
6. In Paragraph 4, A data processing device for the occlusal height of a patient, characterized in that the control unit, when generating the crown data, arranges teeth suitable for the patient's condition using information about the patient's mandible and generates tooth library data according to the arrangement of teeth as the crown data.
7. A storage unit storing computed tomography (CT) data obtained by photographing the patient's oral cavity and head for occlusal height; and A method for operating a data processing device for a patient's occlusal height, characterized in that the control unit includes the step of analyzing the stored CT data by applying an artificial intelligence (AI) program, and adjusting a designated tooth 3D model based on the analysis results using the patient's mandibular condylar on the CT data as a reference axis to match the patient's occlusal height.
8. In Paragraph 7, The step of adjusting the occlusal height mentioned above is, A method for operating a data processing device for the occlusal height of a patient, characterized by applying an artificial intelligence program to analyze the CT data to find designated reference points on the patient's skull, and using the measured values obtained by measuring the angles and distances between the found reference points as the analysis results.
9. In Paragraph 7, The step of adjusting the occlusal height mentioned above is, A method for operating a data processing device for the occlusal height of a patient, characterized by generating and outputting crown data related to the fabrication of a tooth crown of the patient corresponding to the determined occlusal height when the occlusal height of the patient is determined.
10. In Paragraph 7, The step of adjusting the occlusal height mentioned above is, A method for operating a data processing device for a patient's occlusal height, characterized by generating fabrication data that reflects the average movement value calculated using data related to the patient's jaw joint movement when generating crown data related to the fabrication of the tooth crown.
11. In Paragraph 10, The step of adjusting the occlusal height mentioned above is, A method for operating a data processing device for a patient's occlusal height, characterized by distinguishing gender and generating gender-specific crown data when generating crown data for the above jaw joint movement.
12. In Paragraph 10, The step of adjusting the occlusal height mentioned above is, A method for operating a data processing device for the occlusal height of a patient, characterized by using information about the patient's mandible when generating the above-mentioned production data to arrange teeth suitable for the patient's condition, and generating tooth library data according to the arrangement of teeth as the above-mentioned crown data.
13. A computer-readable recording medium comprising a program for executing a method of driving a data processing device for the occlusal height of a patient, The driving method of the data processing device for the occlusal height of the above patient is, A step of storing computed tomography (CT) data of the patient's oral cavity and head for occlusal height; and A computer-readable recording medium characterized by performing a step of analyzing the stored CT data by applying an artificial intelligence (AI) program, and adjusting a pre-fabricated 3D tooth model based on the analysis results using the patient's mandibular condylar on the CT data as a reference axis to match the patient's occlusal height.