KR20230037247A - Method for establishing orthodontic treatment plan and apparatus thereof - Google Patents

Abstract

Disclosed are a method for establishing an orthodontic treatment plan and an apparatus thereof. The method for establishing an orthodontic treatment plan and the apparatus thereof according to an embodiment overlap data constituting orthodontic diagnosis data, perform comparative analysis between data by using the overlapped data, and provide a result of the comparative analysis, to enable a user to conveniently grasp problem items for orthodontic treatment.

Description

Method for establishing orthodontic treatment plan and apparatus thereof {Method for establishing orthodontic treatment plan and apparatus thereof}

The present invention relates to image analysis and processing technology, and more particularly, to digital dental diagnosis and treatment plan establishment technology through image analysis.

Orthodontic diagnosis for orthodontic treatment is a process of diagnosing problem items by acquiring and analyzing orthodontic diagnosis data. In general, the device acquires facial data, skeletal data, and tooth data, respectively, and individually analyzes them for orthodontic diagnosis. For example, the device acquires and analyzes facial data to calculate a facial analysis value, determines a facial problem item using numerical values, acquires and analyzes skeletal data to calculate skeletal analysis values, and uses numerical values to determine a facial problem item. A problem item is determined, tooth data is acquired and analyzed, a tooth analysis value is calculated, and a tooth problem item is determined using numerical values.

In this case, the device has to analyze each piece of data to obtain numerical values separately, and it is inconvenient to collect the acquired values and classify the collected contents by problem items again. Even after classification, it is cumbersome to individually determine which problem exists in which data among the data constituting the calibration diagnosis data.

The present invention proposes an orthodontic treatment plan establishment method and an apparatus capable of easily and simply analyzing data for orthodontic treatment of a patient and reducing analysis time.

According to an embodiment, a method for establishing an orthodontic treatment plan includes obtaining orthodontic diagnosis data including facial data, skeletal data, and teeth data of a patient, and overlapping and displaying positions of data constituting the orthodontic diagnosis data. Comparatively analyzing the difference between the overlapping data of the location for each preset orthodontic analysis item, and at least one problem item for orthodontic treatment of the patient among the preset orthodontic analysis items through the comparative analysis. It includes the step of determining and displaying.

The skeletal data includes frontal head data and lateral head data, and the overlapping and displaying may include overlapping between the frontal head data and lateral head data constituting the skeletal data, and between the overlapping skeletal data and face data. and overlapping between the overlapping skeletal data and tooth data.

In the overlapping step between the frontal head data and the side data, by locating ANS and Me at the same position on a straight line, the frontal head data and the head side data are overlapped, and the overlapped skeletal data and face data are overlapped. In the overlapping step, the tracing line of the head side data and the tracing line of the face data are matched to overlap the two data, and in the overlapping step between the overlapped skeletal data and dental data, a common land between the skeletal data and the dental data is overlapped. The centrifugal point of the first tooth of the upper jaw, which is the mark, and the cutting point of the second teeth of the upper jaw and the lower jaw are positioned at the same location, so that the two pieces of data may be overlapped.

The overlapping and displaying may further include overlapping between the overlapped skeletal data and CT data and overlapping between tooth data and CT data.

In the overlapping and displaying step, when overlapping the data constituting the calibration diagnosis data, the front direction and the side direction may be classified and overlapped.

In the comparative analysis step, the overlapped data in the frontal direction and the overlapped data in the lateral direction are analyzed, respectively, and the frontal analysis item using the overlapped data in the frontal direction includes at least one of asymmetry and occlusal plane examination, and The lateral analysis items using overlapping data in directions may include at least one of protrusion, maxillary and mandibular relationships, and growth directions.

In the comparative analysis step, if the correction analysis item is asymmetric, the facial midline of the facial data, the skeletal midline of the skeletal data, and the dental midline of the dental data may be compared and analyzed after reading the overlapping data in the frontal direction.

In the comparative analysis step, if the correction analysis item is the occlusal plane inclination, after reading the overlapping data in the frontal direction, the lip inclination of the facial data, the occlusal plane inclination of the skeleton data, and the occlusal plane inclination of the tooth data are compared and analyzed. can

In the comparative analysis step, when the correction analysis item is protrusion, after reading the overlapping data in the lateral direction, at least one of the E-line and the nasolabial angle of the facial data, the maxillary tooth angle and the maxillary tooth distance of the skeletal data , at least one of the lower tooth angle, the lower tooth distance, and the upper and lower tooth angles, and the horizontal coverage of the tooth data may be compared and analyzed.

In the comparative analysis step, when the correction analysis item is the upper and lower jaw relationship, after reading the overlapped data in the lateral direction, at least among the E-line of the face data and the upper jaw position, lower jaw position, and upper and lower jaw position relationship of the skeleton data One and the vertical covering of tooth data can be compared and analyzed.

In the comparative analysis step, when the correction analysis item is the growth direction, after reading the overlapping data in the lateral direction, at least one of the facial model of the facial data, Bjork Sum and FMA of the skeletal data, and vertical coverage of the tooth data And at least one of Curve of Spee may be compared and analyzed.

In the step of determining and displaying the problem item, it is calculated whether the difference between at least two data is greater than the preset difference or whether the numerical value of the predetermined data is larger or smaller than the preset normal range through comparative analysis of predetermined calibration analysis items. Thus, if it is greater than a preset normal range, the predetermined calibration analysis item may be determined as a problem item.

In the step of determining and displaying the problem item, at least one of a numerical value for each calibration analysis item of overlapping data, a difference between a numerical value and a normal range, and a numerical value difference between overlapping data items may be calculated.

The orthodontic treatment plan establishment method may further include establishing and providing a treatment plan for solving the determined problem items.

In the step of establishing and providing the treatment plan, if the difference between the numerical value of the determined problem item and the normal range is greater than a preset first value, a treatment plan is established and provided so that the numerical value of the problem item is smaller than the first value, , If the numerical value difference between the overlapping data is greater than the preset second value, a treatment plan may be established and provided so that the numerical value of the problem item is smaller than the second value.

According to an embodiment, an orthodontic treatment plan establishment apparatus overlaps a data acquisition unit that acquires orthodontic diagnosis data including facial data, skeletal data, and teeth data of a patient, and positions of data constituting the orthodontic diagnosis data, and A control unit that determines at least one problem item for orthodontic treatment of a patient among preset orthodontic analysis items by comparing and analyzing the difference between the overlapping data of the position for each preset orthodontic analysis item; It includes an output unit displaying at least one problem item.

According to the orthodontic treatment plan establishment method and apparatus according to an embodiment, after overlapping the positions of data constituting orthodontic diagnosis data, performing comparative analysis between data using the overlapped data and providing the result, the data The analysis process and user operation are simple. For example, as the device compares and analyzes a plurality of data at once using overlapping data and provides the analysis result, the procedure is simplified.

In addition, as the device determines problem items for orthodontic treatment of the patient based on the results of overlapping data analysis and provides them to the user, the user can quickly and easily grasp the problem items.

Furthermore, as the device establishes and provides a treatment plan to solve the determined problem item, it helps the user to establish a treatment plan.

1 is a view showing the configuration of an orthodontic treatment planning device according to an embodiment of the present invention;
2 is a diagram showing the flow of a method for establishing an orthodontic treatment plan according to an embodiment of the present invention;
3 is a diagram showing an example of overlapping calibration diagnostic data according to an embodiment of the present invention;
4 and 5 are diagrams showing overlapped data according to an embodiment of the present invention;
6 and 7 are diagrams of frontal analysis and side analysis of overlapped data according to an embodiment of the present invention, respectively, in a table;
8 is a view showing an example of displaying calibration analysis items using overlapping data in a frontal direction according to an embodiment of the present invention;
9 is a diagram illustrating an example of displaying calibration analysis items using overlapping data in a lateral direction according to an embodiment of the present invention.

Advantages and features of the present invention, and methods for achieving them, will become clear with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present 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 fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

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. These terms are defined by reflecting the functions of, and may vary depending on the user's or operator's intention or custom. Therefore, the definition should be made based on the contents throughout this specification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the embodiments of the present invention exemplified below may be modified in many different forms, and the scope of the present invention is not limited to the embodiments described below. The embodiments of the present invention are provided to more completely explain the present invention to those skilled in the art.

1 is a diagram showing the configuration of an orthodontic treatment planning device according to an embodiment of the present invention.

Referring to FIG. 1 , an orthodontic treatment plan establishment device (hereinafter referred to as 'device') 1 is an electronic device capable of executing software for establishing an orthodontic treatment plan using digital dentistry in an actual dentistry. Electronic devices include computers, notebook computers, tablet PCs, smart phones, personal digital assistants (PDAs), and the like.

The process of establishing an orthodontic treatment plan can be simplified into a total of three steps: preparation, setup, and design. The preparation stage is the stage of determining problem items for the patient's orthodontic treatment, the setup stage is the stage of establishing treatment goals including the order of tooth arrangement to solve the problem items, and the design stage is the treatment plan reflecting the tooth arrangement goal. is the stage of establishing

The device (1) implements the functions provided at each step in an automated way using an algorithm, first presents the work result using the algorithm at each step to the user, and then provides a process that can be selectively corrected only when modification is necessary. By doing so, user manipulation for establishing an orthodontic treatment plan can be minimized.

In particular, the present invention relates to determining problem items for orthodontic treatment of a patient. At this time, the apparatus 1 acquires orthodontic diagnosis data including face data, skeletal data, and teeth data. Next, the device 1 may determine problem items for orthodontic treatment of the patient by overlapping the positions of facial data, skeletal data, and tooth data constituting the orthodontic diagnosis data, and then comparing and analyzing the data with overlapping positions. there is.

Hereinafter, the configuration of the device 1 will be described in detail with reference to the drawings to be described later.

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

The data acquisition unit 10 acquires orthodontic diagnosis data for orthodontic treatment from a patient. Orthodontic diagnosis data required for treatment may be face data, skeletal data, tooth data, and the like. Examples of facial data include 3D face data, examples of skeletal data include PA Ceph: 　Cephalo-Frontal data and Lateral Ceph: Cephalo-Lateral data, and examples of tooth data include There is scan data.

The scan data is data having information obtained by scanning real teeth including damaged teeth. The scan data may be tooth model scan data obtained by scanning a gypsum model created by imitating the patient's oral cavity with a 3D scanner. As another example, the scan data may be intraoral scan data obtained by scanning the inside of the patient's oral cavity using a 3D intra-oral scanner. Acquired scan data may be stored in the storage unit 12 .

Furthermore, the data acquisition unit 10 may obtain CT data. CT data may be obtained by generating tomographic images of the patient's head using computed tomography (CT), segmenting a boundary of a tooth in each tomographic image, and then combining them into one. The obtained CT data may be stored in the storage unit 12 .

The control unit 14 overlaps the positions of data constituting the calibration diagnosis data. In other words, the control unit 14 overlaps two or more pieces of data based on the position of each data constituting the calibration diagnosis data. A location is information or a value that is a criterion for matching data, for example, a coordinate value of each landmark, a positional relationship between two or more landmarks, a plane relationship formed by three or more landmarks, a relationship between two or more landmarks and It may include a positional relationship consisting of one or more tracing lines. The type of location that is the matching criterion is determined according to the type of data to be matched or the aspect of an operation. Here, the type of data to be matched includes, for example, face data, skeletal data, scan data, and CT data, and aspects of the operation include, for example, an operation of overlapping skeletal data, skeletal data, and An operation of overlapping data and CT data and an operation of additionally overlapping facial data on the previously overlapped data may be included. For example of overlap between data, the control unit 14 overlaps head front data and head side data constituting skeleton data, overlaps between overlapped skeleton data and face data, and overlaps between overlapped skeleton data and tooth data. can be nested. When CT data exists, the control unit 14 may further overlap between the overlapped skeletal data and CT data, and may further overlap between tooth data and CT data. There are various overlapping methods. For example, there is a method of selecting landmarks for each overlapping target data and matching the selected landmarks. An example of overlapping data will be described later with reference to FIG. 3 .

When overlapping positions of data constituting the calibration diagnosis data, the control unit 14 may classify and overlap the front direction and the side direction according to directions.

The controller 14 may analyze data overlapped in the front direction and data overlapped in the side direction, respectively. The control unit 14 may perform a frontal analysis using overlapping data in the frontal direction, and the frontal analysis item may include at least one of asymmetry and occlusal plane examination. The controller 14 may perform lateral analysis using overlapped data in the lateral direction, and the lateral analysis item may include at least one of protrusion, maxillary-mandibular relationship, and growth direction. An example of overlapping data in the front direction will be described later with reference to FIG. 4 , and an example of data overlapping in the side direction will be described later with reference to FIG. 5 . An example of the frontal analysis item will be described later with reference to FIG. 6 , and an example of the side analysis item will be described later with reference to FIG. 7 .

The controller 14 may determine at least one problem item for orthodontic treatment of a patient from among preset orthodontic analysis items through comparative analysis between overlapping data for each preset orthodontic analysis item. For example, the control unit 14 calculates whether a difference between the overlapping data is greater than or less than a preset difference through comparative analysis between the overlapped data for a predetermined calibration analysis item, and if the difference is greater than the preset difference, the predetermined difference The calibration analysis item of can be determined as a problem item. In this case, the controller 14 may calculate at least one of a numerical value for each calibration analysis item of the overlapping data, a difference between the numerical value and a normal range, and a numerical difference between the overlapping data.

The controller 14 may establish a treatment plan to solve the determined problem item. The control unit 14 may establish and provide a treatment plan so that the numerical value of the problem item is smaller than the first value when the difference between the determined numerical value of the problem item and the normal range is greater than a preset first value, and provide a treatment plan between overlapping data. When the numerical value difference is greater than the preset second value, a treatment plan may be established and provided so that the numerical value of the problem item is smaller than the second value. For example, the controller 14 may establish a treatment plan in which the midline of the lower jaw moves to the right by 1.5 mm, and a treatment plan in which the upper lip of the facial data moves inward by 2.3 mm. An embodiment for this will be described later with reference to FIGS. 8 and 9 .

The output unit 18 displays a screen according to the operation of the control unit 14. For example, the output unit 18 may display a comparative analysis result through the control unit 14 . At this time, the output unit 18 may display a difference between overlapping data. An embodiment for this will be described later with reference to FIGS. 8 and 9 .

The input unit 16 receives a user manipulation signal.

2 is a flow diagram illustrating a method for establishing an orthodontic treatment plan according to an embodiment of the present invention.

Referring to FIGS. 1 and 2 , the apparatus 1 obtains orthodontic diagnosis data including facial data, skeletal data, and dental data of the patient (S210).

Next, the device 1 overlaps and displays the locations of data constituting the calibration diagnosis data (S220). For example of overlap between data, the device 1 overlaps between head front data and head side data constituting skeleton data, overlaps between overlapped skeleton data and face data, and overlaps between overlapped skeleton data and dental data. can be nested. When CT data exists, the device 1 may further overlap between the superimposed skeletal data and CT data, and further overlap between dental data and CT data. An example of overlapping data will be described later with reference to FIG. 3 .

Subsequently, the apparatus 1 compares and analyzes differences between data overlapping locations for each preset calibration analysis item (S230).

In the comparative analysis step (S230), the device 1 may perform a frontal analysis using the overlapped data in the frontal direction and side analysis using the overlapped data in the extracted lateral direction. An example of overlapping data in the front direction will be described later with reference to FIG. 4 , and an example of data overlapping in the side direction will be described later with reference to FIG. 5 .

The frontal analysis item may include at least one of asymmetry and occlusal plane examination, and the lateral analysis item may include at least one of protrusion, maxillary-mandibular relationship, and growth direction. An example of the frontal analysis item will be described later with reference to FIG. 6 , and an example of the side analysis item will be described later with reference to FIG. 7 .

Next, the apparatus 1 determines and displays at least one problem item for orthodontic treatment of the patient from among preset orthodontic analysis items through comparative analysis (S240).

In the step of determining and displaying a problem item (S240), the device 1 performs comparative analysis between overlapping data targeting a predetermined calibration analysis item, and if the difference between the overlapping data is greater than a preset difference, the predetermined The correction analysis item of can be determined as a problem item.

In the step of determining and displaying a problem item (S240), the device 1 calculates at least one of a numerical value for each calibration analysis item of overlapping data, a difference between a numerical value and a normal range, and a numerical value difference between overlapping data. so that it can be displayed. An embodiment for this will be described later with reference to FIGS. 8 and 9 .

Furthermore, the device 1 may establish and provide a treatment plan for solving the determined problem item (S250). The device 1 may establish and provide a treatment plan so that the numerical value of the problem item is smaller than the first value when the difference between the determined numerical value of the problem item and the normal range is greater than a preset first value. The apparatus 1 may establish and provide a treatment plan so that the numerical value of the problem item is smaller than the second value when the numerical value difference between the overlapping data is greater than the preset second value.

For example, the device 1 may display that a treatment plan in which the midline of the mandibular tooth moves to the right by 1.5 mm should be established, and a treatment plan in which the upper lip of the face data moves inward by 2.3 mm should be established. can do. An embodiment for this will be described later with reference to FIGS. 8 and 9 .

3 is a diagram illustrating an example of overlapping calibration diagnostic data according to an embodiment of the present invention.

Referring to FIGS. 1 and 3 , the device 1 overlaps positions of facial data, skeleton data, and tooth data. Examples of face data include 3D facial data, examples of skeletal data include frontal data and head side data, and examples of tooth data include scan data.

Data overlapping For example, the device 1 overlaps between head front data 31 and head side data 32 . The two pieces of data 31 and 32 may be overlapped by extracting common landmarks between the two pieces of data and locating the pieces of the extracted landmarks at the same location. For example, the device 1 may overlap between the head front data 31 and the head side data 32 by locating the anterior nasal spine (ANS) and the Menton (Me) at the same position on a straight line. . ANS is the anterior point of the hard palate. Me is the lowest point on the outline of the mandibular junction at the tip of the chin.

If the CT data 33 exists, the device 1 can optionally further superimpose the CT data 33 with the existing skeletal data (frontal head data+head side data). Even at this time, the skeletal data 31 and 32 and the CT data 33 may be overlapped by matching ANS and Me in the same manner as the overlapping method between skeletal data.

Subsequently, the apparatus 1 overlaps between the overlapped skeletal data 31 and 32 and facial data 34 . For example, the tracing line of the head side data 32 and the tracing line of the facial data 34 are matched to overlap the two data.

Subsequently, the apparatus 1 overlaps between the overlapped bone data 31 and 32 and the tooth data 35 . For example, a distal point of a first tooth (eg, a first molar) of the upper jaw and a second tooth of the upper and lower jaws, which are common landmarks between the skeletal data 31 and 32 and the tooth data 35 The incisal edge point of (for example, the central incisor) is located at the same location to overlap the data.

At this time, if the CT data 33 exists, the device 1 may overlap the two data 33 and 35 by matching landmarks between the CT data 33 and the tooth data 35 in the same manner as above. there is.

4 and 5 are diagrams showing overlapped data according to an embodiment of the present invention.

1, 4 and 5, the apparatus 1 overlaps skeletal data 31 and 32, facial data 34 and scan data 35, and optionally overlaps CT data 33. do. At this time, the device 1 generates superimposed data 41 in the front direction corresponding to the coronal cross section based on the coronal plane to perform the frontal analysis, and the sagittal cross section based on the sagittal plane to perform the lateral analysis. It is possible to generate overlapping data 42 in the lateral direction corresponding to .

6 and 7 are diagrams in which frontal analysis contents and side analysis contents of overlapping data according to an embodiment of the present invention are arranged in a table, respectively.

Referring to FIGS. 1, 6 and 7, the device 1 finds similar correction analysis items among overlapping data, and compares and analyzes facial, skeletal, and dental data for each correction analysis item found to determine a problem item. .

The device 1 may separate and analyze the front direction and the side direction of overlapping data. Frontal analysis items (FIG. 6) may include asymmetry and occlusal plane examination, etc., and lateral analysis items (FIG. 7) may include protrusion, maxillary-mandibular relationship, growth direction, and the like.

Representative calibration analysis items are shown as examples in FIGS. 6 and 7 , but calibration analysis items may be changed according to settings.

Referring to the frontal analysis of FIG. 6, when the calibration analysis item is 'asymmetric', the device 1 reads the overlapping data in the frontal direction, and then the facial midline of the facial data, the skeletal midline of the skeletal data, and the dental data. Compare and analyze the dental midline. At this time, the device 1 calculates whether the difference between the matched data is larger or smaller than the preset difference, and if the difference is larger than the preset difference, the 'asymmetric' item is determined as a problem item.

If the correction analysis item is 'occlusal plane inclination', the device 1 reads the overlapping data in the frontal direction, and then compares and analyzes the lip inclination of the face data, the occlusal plane inclination of the skeletal data, and the occlusal plane inclination of the teeth data. . At this time, the device 1 calculates whether the difference between the matched data is greater than the preset difference or whether the numerical value of the predetermined data is larger or smaller than the preset difference, and if the difference is greater than the preset difference, the 'occlusal plane slope' item is selected. decide on the issue.

When the corrective analysis item is 'protrusion', the device 1 reads the superimposed data in the lateral direction, and then measures at least one of the E-line and the nasolabial angle (NA) of the facial data. , At least one of the maxillary tooth angle, the maxillary tooth distance, the mandibular tooth angle, the mandibular tooth distance, and the tooth angle between the maxilla and the mandible of the skeletal data is compared and analyzed with the horizontal overjet of the tooth data. At this time, the device 1 calculates whether the difference between the matched data is greater than or less than the preset difference, and if the difference is greater than the preset difference, the 'projection degree' item is determined as a problem item.

The device 1 may calculate the maxillary tooth angle using the U1 to S-N angle. Here, U1 is the maxillary central incisor point, S-N marks the frontal cranial base with a line connecting S-N, S (Sella) is the midpoint of the Sella turcica, and N (Nasion) is the frontonasal suture ) is the foremost point of

The device 1 may calculate the maxillary tooth distance using the U1 to A-pog distance. Point A is the farthest point of the curve between the maxillary alveolar crest and the anterior nasal spine. Pog (Pogonion) is the foremost point of the mandibular prominence.

The device 1 can calculate the mandibular tooth angle using IMPA. IMPA is the angle of the mandibular anterior teeth relative to the mandibular plane.

The device 1 may calculate the mandibular tooth distance using the L1 to A-pog distance. L1 is the mandibular central incisor point.

The device 1 may calculate the interincisal angle between the upper and lower teeth using the interincisal angle.

When the calibration analysis item is 'maxillary and mandibular relationship', the device 1 reads the overlapped data in the lateral direction, and then the E-line of the facial data, the SNA (upper jaw position) of the skeletal data, At least one of SNB (lower jaw position) and ANB (upper and lower jaw positional relationship) and vertical overjet of tooth data are compared and analyzed. At this time, the device 1 calculates whether the difference between the matched data is greater than or less than the preset difference, and if the difference is greater than the preset difference, the 'upper and lower jaw relationship' item is determined as a problem item.

The apparatus 1 can calculate the position of the upper jaw using SNA, which is an angle connecting three points S, N, and A, and can know the degree of anteroposterior position of the upper jaw relative to the base of the skull. The apparatus 1 can calculate the position of the mandible using SNB, which is an angle obtained by connecting three points of S, N, and B, and can know the anterior-posterior position of the mandible with respect to the skull base. The device 1 can calculate the positional relationship between the upper and lower jaws using ANB, which is an angle connecting three points A, N, and B, and is the distance between the vertical points of points a and b with respect to the occlusal plane. am.

When the correction analysis item is 'growth direction', the device 1 reads the overlapping data in the lateral direction, and then at least one of the facial type of the facial data, Bjork Sum and FMA of the skeletal data, and teeth At least one of the vertical overjet and curve of spee of the data is compared and analyzed. At this time, the device 1 calculates whether the difference between the matched data is larger or smaller than the preset difference, and if the difference is larger than the preset difference, the 'growth direction' item is determined as a problem item. Bjork sum is saddle angle + articular angle + gonial angle, and FMA is F-H to mandibular plane angle. The F-H plane is the Frankfurt plane, and is the plane connecting the Po point and the Or point. The mandibular plane angle is the mandibular angle.

The above calibration analysis items are arbitrarily configured, and the category can be changed according to the user, and the detailed analysis items can be increased or decreased.

The device 1 may differently set the normal range of each correction analysis item in frontal and lateral analysis according to the patient's race, gender, age, and the like.

8 is a diagram illustrating an example of displaying calibration analysis items using overlapping data in a frontal direction according to an embodiment of the present invention.

Referring to FIGS. 1 and 8 , device 1 may use the overlapped data in the frontal direction to determine problematic calibration assays and problematic data. At this time, the device 1 may calculate and display at least one of a numerical value for each calibration analysis item of the overlapping data in the front direction, a difference between the numerical value and a normal range, and a numerical difference between the overlapping data.

For example, as shown in FIG. 8 , when the calibration analysis item is 'asymmetric', the device 1 compares and analyzes overlapping data in the frontal direction. At this time, according to the result of comparative analysis, if the midline of the mandibular tooth is shifted to the left compared to the midline of the face and the midline of the skeleton, the device 1 is a problem item: the midline of the mandibular tooth (Mn Middle), the numerical value of the mandibular tooth midline (1.5mm) ), the normal range of the midline of the mandibular teeth (Norm: 0mm), and the need to establish a treatment plan in which the midline of the mandibular teeth moves 1.5mm to the right can be indicated together.

9 is a diagram illustrating an example of displaying calibration analysis items using overlapping data in a lateral direction according to an embodiment of the present invention.

Referring to FIGS. 1 and 9 , the device 1 may determine a problem item among calibration analysis items using overlapping data in the lateral direction. At this time, the device 1 may calculate and display at least one of a numerical value for each calibration analysis item of overlapping data in a lateral direction, a difference between a numerical value and a normal range, and a numerical difference between overlapping data.

As shown in FIG. 9 , the apparatus 1 compares and analyzes overlapping data in the lateral direction when the calibration analysis item is 'protrusion'. At this time, if the comparative analysis result is that the E-line (upper lip) of the facial data compared to the skeletal data and the tooth data protrudes by 2.3 mm compared to normal, the device 1 is a problem item: upper lip, E-line numerical value ( 1.3mm), the normal range of the E-line (Norm: -1mm), and the need to establish a treatment plan in which the upper lip of the facial data moves inward by 2.3mm can be indicated together.

However, in the case of facial data and skeletal data, there are cases in which it is impossible to solve problem items only with orthodontic treatment, so the user should be able to separately determine this like the orthodontic treatment limit.

So far, the present invention has been looked at mainly by its embodiments. Those skilled in the art to which the present invention pertains will be able to understand that the present invention can be implemented in a modified form without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be reflected from a descriptive point of view, not a limiting point of view. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the equivalent scope should be construed as being included in the present invention.

Claims (16)

In the orthodontic treatment planning method using the orthodontic treatment planning device, the orthodontic treatment planning device
acquiring orthodontic diagnosis data including facial data, skeletal data, and dental data of the patient;
overlapping and displaying positions of data constituting the calibration diagnosis data;
Comparatively analyzing differences between data overlapping the positions for each preset calibration analysis item; and
determining and displaying at least one problem item for orthodontic treatment of a patient from among preset orthodontic analysis items through the comparative analysis;
Orthodontic treatment planning method comprising a. According to claim 1,
The skeletal data includes frontal head data and head side data;
The step of overlapping and displaying
overlapping between the frontal head data and the head side data;
overlapping between the overlapped skeletal data and face data; and
overlapping between the overlapped skeletal data and tooth data;
Orthodontic treatment planning method comprising a. 3. The method of claim 2, wherein the step of overlapping between the head front data and the head side data
By locating ANS and Me at the same position on a straight line, overlap between the frontal head data and the head side data,
The step of overlapping the overlapped skeletal data and facial data
Match the tracing line of the side data of the head and the tracing line of the face data to overlap the two data,
The step of overlapping between the overlapped skeletal data and tooth data
An orthodontic treatment plan establishment method characterized by overlapping the two data by locating the centrifugal point of the first tooth of the upper jaw and the cutting point of the second tooth of the upper and lower jaws, which are common landmarks between the skeletal data and the tooth data, at the same location. . The method of claim 2, wherein the overlapping and displaying
overlapping between the overlapped skeletal data and CT data; and
overlapping between dental data and CT data;
Orthodontic treatment plan establishment method characterized in that it further comprises. The method of claim 1, wherein the overlapping and displaying
A method for establishing an orthodontic treatment plan, characterized in that when overlapping the data constituting the orthodontic diagnosis data, the data are divided into a frontal direction and a lateral direction and overlapped. The method of claim 1, wherein the comparative analysis step
Comparing and analyzing the overlapped data in the frontal direction and the overlapped data in the lateral direction, respectively,
Frontal analysis items using overlapping data in the frontal direction include at least one of asymmetry and occlusal plane examination,
A method for establishing an orthodontic treatment plan, characterized in that the lateral analysis items using overlapping data in the lateral direction include at least one of protrusion, maxillary and mandibular relationships, and growth direction. The method of claim 1, wherein the comparative analysis step
When the orthodontic analysis item is asymmetrical, orthodontic treatment plan establishment method characterized in that, after reading the overlapping data in the frontal direction, the facial midline of the facial data, the skeletal midline of the skeletal data, and the dental midline of the tooth data are compared and analyzed. The method of claim 1, wherein the comparative analysis step
When the orthodontic analysis item is the occlusal plane inclination, orthodontic treatment characterized by comparing and analyzing the lip inclination of the facial data, the occlusal plane inclination of the skeleton data, and the occlusal plane inclination of the teeth data after reading the overlapping data in the frontal direction How to plan. The method of claim 1, wherein the comparative analysis step
When the correction analysis item is protrusion, after reading the overlapped data in the lateral direction, at least one of the E-line and the nasolabial angle of the facial data, the maxillary tooth angle, the maxillary tooth distance, the mandibular tooth angle, and the mandibular tooth of the skeletal data A method for establishing an orthodontic treatment plan, characterized by comparing and analyzing at least one of the distance and the angle between the upper and lower teeth and the horizontal coverage of the tooth data. The method of claim 1, wherein the comparative analysis step
When the correction analysis item is the maxillary and mandibular relationship, after reading the overlapped data in the lateral direction, at least one of the E-line of the face data, the position of the upper jaw, the position of the lower jaw, and the position of the upper and lower jaw of the skeletal data, and the vertical position of the tooth data Orthodontic treatment plan establishment method, characterized in that for comparative analysis of the cover. The method of claim 1, wherein the comparative analysis step
When the correction analysis item is the growth direction, at least one of the facial model of the facial data, Bjork Sum and FMA of the skeletal data, and at least one of the vertical cover and Curve of Spee of the tooth data after reading the overlapped data in the lateral direction. Orthodontic treatment plan establishment method, characterized in that for comparative analysis. The method of claim 1, wherein the step of determining and displaying the problem items
Calculate whether the difference between overlapping data is larger or smaller than a preset difference through comparative analysis between overlapping data of a predetermined calibration analysis item, and determine the predetermined calibration analysis item as a problem item if it is greater than the preset difference Orthodontic treatment plan establishment method. The method of claim 1, wherein the step of determining and displaying the problem items
An orthodontic treatment plan establishment method comprising calculating and displaying at least one of a numerical value for each orthodontic analysis item of overlapping data, a difference between a numerical value and a normal range, and a numerical difference between overlapping data. The method of claim 1, wherein the orthodontic treatment plan establishment method
Establishing and providing a treatment plan to solve the determined problem items;
Orthodontic treatment plan establishment method characterized in that it further comprises. The method of claim 14, wherein the step of establishing and providing the treatment plan
If the difference between the numerical value of the determined problem item and the normal range is greater than a preset first value, a treatment plan is established and provided so that the numerical value of the problem item is smaller than the first value, and the difference in numerical values between overlapping data is determined in advance. A method of establishing an orthodontic treatment plan, wherein a treatment plan is established and provided so that the numerical value of the problem item is smaller than the second value when it is greater than the set second value. a data acquisition unit acquiring orthodontic diagnosis data including facial data, skeletal data, and dental data of the patient;
At least one problem item for orthodontic treatment of a patient among preset orthodontic analysis items by overlapping the positions of data constituting the orthodontic diagnosis data and comparing and analyzing the difference between the overlapping data for each preset orthodontic analysis item a control unit that determines; and
an output unit for displaying the overlapping result and displaying the determined at least one problem item;
Orthodontic treatment planning device comprising a.

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