KR101067989B1 - System and Method for Tooth Cosmeticby Using Minimum Tooth Remove and Recording Medium - Google Patents

System and Method for Tooth Cosmeticby Using Minimum Tooth Remove and Recording Medium Download PDF

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KR101067989B1
KR101067989B1 KR1020090058750A KR20090058750A KR101067989B1 KR 101067989 B1 KR101067989 B1 KR 101067989B1 KR 1020090058750 A KR1020090058750 A KR 1020090058750A KR 20090058750 A KR20090058750 A KR 20090058750A KR 101067989 B1 KR101067989 B1 KR 101067989B1
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South Korea
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tooth
molding
dental
3d
patient
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KR1020090058750A
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Korean (ko)
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KR20110001277A (en
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이한나
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이한나
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Abstract

The present invention relates to a method and a system for forming a tooth through minimal tooth deletion and a recording medium therefor, wherein the method for forming a tooth through minimal tooth deletion according to the present invention comprises N (N> 1) 3D tooth molding models and each tooth. When the dental model is stored in the storage medium in association with the dental condition information for each molding model-including the arrangement and curvature of the tooth, and the size and shape of each tooth-and the 3D dental photograph before the patient is obtained Read the 3D tooth image before the molding to determine the pre-molding tooth state information about the patient's teeth-the arrangement and curvature of the tooth, the insertion / extrusion value of each tooth, the vertical height separation value, size, shape, color one or more Forming from the tooth state before the molding of the patient by comparing the tooth condition check step to check the inclusion, and the patient's pre-molding information and the dental condition information for each N model Tooth modeling step of checking the dental condition information and possible 3D dental modeling and n (n <= N) of the dental model, and the dental condition for the identified n tooth model Tooth removal condition determining step of determining the shape and thickness of each tooth molding to be attached to the front portion of each tooth to be molded into the inner and outer curvature and the tooth molding for each tooth determined And a tooth removal amount calculating step of calculating n pieces of pre-molding tooth front part removal amounts for attaching to the teeth and maintaining the patient's post-molding tooth state as the n 3D tooth molding models.
Minimal teeth

Description

System and Method for Tooth Cosmeticby Using Minimum Tooth Remove and Recording Medium}

1 is a view showing the configuration of the tooth shaping system through the minimum tooth deletion in accordance with an embodiment of the present invention.

2 is a view illustrating a method of checking the dental state through the 3D tooth photograph before molding according to an embodiment of the present invention.

Figure 3 is a diagram illustrating a method of checking the dental state through the 3D tooth picture before molding according to another embodiment of the present invention.

4 is a diagram illustrating a method of calculating the tooth deletion amount according to the method of the present invention.

5 is a view illustrating a dental molding process according to the method of the present invention.

6 is a view illustrating a process of calculating the tooth deletion amount according to the method of the present invention.

7 is a view illustrating a process of determining the minimum tooth deletion amount according to an embodiment of the present invention.

8 is a view illustrating a process of determining the minimum tooth deletion amount according to another embodiment of the present invention.

9 is a view illustrating a process of determining the minimum tooth deletion amount according to another embodiment of the present invention.

FIG. 10 is a view illustrating a dental molding procedure through minimal tooth deletion according to an embodiment of the present invention. FIG.

<Description of main parts of drawing>

100: tooth picture acquisition means 105: tooth state check means

110: tooth removal amount calculation means 115: output means

120: tooth deletion means 125: deletion amount alignment means

130: minimum deletion amount calculation means 135: tooth deletion condition determination means

140: tooth molding model check means 145: tooth molding model storage means

150: storage medium 155: sculpture production means

160: tooth moldings manufacturing apparatus

The present invention is provided with a plurality of 3D tooth shaping model and the tooth condition information for each tooth shaping model, after confirming the pre-molding tooth state information for the patient's teeth from the 3D teeth picture before the patient's molding, the molding of the patient Compare the tooth condition information and the tooth condition information of each of the plurality of tooth shaping models to check the dental condition information and 3D tooth shaping model for each of the at least one tooth shaping model that can be molded from the patient's pre-molding tooth state, and before the shaping of the patient Determine the shape and thickness of each tooth molding and the inner / outer curvature of each tooth to be attached to the front side of each tooth in order to mold the tooth condition to the at least one tooth model according to the identified dental model. It is to provide a method for calculating the minimum tooth removal amount for attaching the dental moldings for each tooth to the patient's teeth.

Recently, as interest in beauty has increased, interest in dental surgery has also increased. However, the conventional medical services provided by dentists remain in pathological treatments such as dental caries, orthodontics and implant procedures, and thus have difficulty in providing medical services related to dental surgery.

Of course, in a broad sense, orthodontic and implant procedures may be included in a category of dental surgery, but orthodontic treatment is merely an artificial adjustment of the arrangement and curvature of the teeth, and the implant procedure is used to treat teeth extracted by tooth decay. It is not only a restoration, but also the tooth shape and the curvature of the tooth, as well as the shape, size and color of the tooth does not fall within the category of tooth shaping to the patient's desired teeth.

On the other hand, in order to provide the above-mentioned dental surgery, students at each university must educate students on the professional medical knowledge related to dental surgery, and each dentist must also have numerous clinical experiences related to dental surgery. It is very difficult to provide a professional dental service that maintains the patient's satisfaction level more than a certain level in the treatment-only condition.

An object of the present application for solving the above problems, after having a plurality of 3D dental model and the tooth condition information for each tooth molding model, the pre-molded tooth of the patient's teeth from the 3D dental picture before the patient's molding Checking the status information, comparing the dental condition information of the patient and the dental condition information of the plurality of tooth molding models by comparing the dental condition information of the patient with the at least one tooth molding model and 3D teeth Shape and thickness of the tooth molding for each tooth to be attached to the front part of each tooth in order to check the model and to shape the patient's pre-molding tooth condition to the identified one or more dental model-specific dental conditions Minimum tooth cuts for determining the outer curvature and for attaching the determined dental moldings to the patient's teeth By calculating the amount, and to delete the tooth of the patient to provide at least the tooth-forming method for holding the dental molding satisfaction of the patient over a certain level.

Tooth shaping method through the minimum tooth deletion according to the present invention, N (N> 1) 3D tooth shaping model and the tooth condition information for each tooth shaping model-the arrangement and curvature of the tooth, and the size, shape of each tooth The step of storing the tooth shaping model stored in the storage medium in association with the above-mentioned, and if the 3D tooth picture before the molding of the patient is obtained, the pre-molded tooth state information about the tooth of the patient by reading the 3D tooth picture before the molding- Tooth status check step to check the arrangement and curvature of the tooth, each tooth including the indentation / protrusion value, vertical height separation value, size, shape, color, and at least one, and the patient's pre-molded tooth state information and N Comparison of tooth condition information for each tooth model to confirm the tooth condition information and 3D tooth model for each n (n <= N) model Step and the shape and thickness of each tooth molding to be attached to the front of each tooth in order to mold the tooth condition before the molding of the patient to the identified dental condition for each of the n tooth molding models and the inside / outside Tooth removal condition determining step of determining the curvature and n-formation before molding to maintain the dental state of the patient after the molding by attaching each of the determined dental molding for each tooth to each tooth Characterized in that it comprises a tooth removal amount calculating step of calculating the tooth front portion deletion amount.

In the tooth molding method through the minimum tooth deletion according to the present invention, the step of confirming the tooth molding model, by reading the tooth state information before the molding of the patient one or more indentation / protrusion or spaced up and down height of the patient before molding If the presence of one or more indentation / protrusion or vertical height separation is confirmed, the arrangement and curvature of the tooth when the insertion / protrusion or vertical height separation is corrected, and the insertion / protrusion value and tooth height spacing for each tooth And identifying (or calculating) orthodontic prediction information including one or more values, and processing the same to be compared with the dental condition information for each of the N dental models.

In the tooth molding method through the minimum tooth deletion according to the present invention, the step of confirming the tooth molding model, the tooth curvature is compared by comparing the tooth curvature of the tooth condition information and the tooth curvature of the tooth condition information before molding the patient. The tooth arrangement of the pre-molded tooth state information and the tooth arrangement of the tooth condition information are matched in a preset range, and the tooth arrangement of the tooth condition information is matched in a preset range, and each tooth size on the tooth arrangement according to the tooth curvature or It is characterized in that the tooth condition information for each of the n tooth molding models that match the shape in the preset range.

In the tooth forming method through the minimum tooth deletion according to the present invention, the step of determining the tooth deletion conditions, the step of determining the minimum thickness of the tooth molding for each tooth to be attached to the front portion of each tooth before the molding and Determining that the front tooth curvature of each tooth before molding and the inner curvature of the dental molding to be attached to the front face of the tooth are matched within a predetermined range while maintaining a thickness above the determined minimum thickness. It is done.

In the tooth forming method through the minimal tooth deletion according to the present invention, the step of determining the tooth deletion condition, the step of identifying the tooth embedded than each tooth of the 3D tooth molding model of each tooth before the molding, Determining the thickness of the tooth molding to be attached to the front part of the embedded tooth in proportion to the embedded gap when the tooth is identified, and the front tooth curvature of each tooth before the molding while maintaining the determined thickness And determining the inner curvature of the dental molding to be attached to the front side of the tooth to be matched within a predetermined range.

In the tooth forming method through the minimal tooth deletion according to the present invention, the step of determining the tooth deletion condition, the step of identifying the teeth protruding than each tooth of the 3D tooth molding model of each of the teeth before the molding, and Determination of the tooth, the minimum thickness to maintain a predetermined standard tooth strength while maintaining the shape of the dental molding, and determining the curvature inside the dental molding to match the curvature outside the dental molding Characterized in that comprises a.

In the tooth shaping method through the minimal tooth deletion according to the present invention, the tooth removal amount calculating step, and determines any one of the plurality of teeth constituting the 3D tooth shaping model as a reference tooth, before the molding of the patient 3D tooth shaping model and before molding are matched to the gum position of the same teeth as the reference tooth among the plurality of teeth constituting the 3D teeth picture to the tooth removal amount reference position, and matched in the preset range based on the tooth removal amount reference position Arranging each tooth so as to match the gum position of each tooth according to the tooth curvature of the 3D teeth picture to determine the position of the tooth removal amount calculated for each tooth, and the tooth moldings determined through the tooth deletion condition determination step Matching and including the front portion of each tooth constituting the 3D tooth shaping model, and Oh sakjeryang characterized in that made on the basis of the calculated position comprises the step of calculating the volume of the 3D photo tooth before molding protruding in front than the statues for the teeth forming includes forming the 3D tooth model tooth sakjeryang.

According to the present invention, a tooth shaping method using a minimum tooth deletion may include outputting a device by matching a 3D tooth photograph with the patient's pre-molding, the identified 3D tooth molding model, and the calculated n front teeth of the tooth removal. Characterized in that further comprises the step of output through.

According to the present invention, the tooth forming method using the minimum tooth deletion may include checking the 3D tooth shaping model and the minimum tooth deletion information for removing the patient's teeth to the minimum by comparing the calculated n front teeth of the front part. And matching the identified minimum tooth deletion amount information with the 3D tooth shaping model and outputting the same through the output device.

According to the present invention, the tooth forming method through the minimum tooth deletion includes comparing the calculated n front teeth removal amount, and aligning the 3D teeth molding model according to the front teeth removal amount, and the aligned n 3Ds. The method may further include outputting through the output device by matching the tooth shaping model with the number of n front teeth removed before molding.

On the other hand, it includes a computer-readable recording medium, characterized in that for recording the program for executing the tooth forming method through the above-described minimum tooth deletion.

On the other hand, the tooth shaping system through the minimum tooth deletion according to the present invention, N (N> 1) 3D tooth shaping models and tooth condition information for each tooth shaping model-the arrangement and curvature of the teeth, size, shape for each tooth And a storage medium for storing in association with one or more, and when a 3D tooth picture of the patient is obtained before the molding, the 3D tooth picture is read before the molding, and the pre-molded tooth state information about the tooth of the patient is arranged. Tooth state checking means for checking curvature, indentation / protrusion value for each tooth, one or more height, height and height separation values, sizes, shapes, and colors; Tooth molding model checking means for comparing the dental condition information and confirms the dental condition information and 3D dental model for each n (n <= N) of the tooth molding model that can be molded from the patient's pre-molded tooth state, and the ring To determine the shape, thickness and inner / outer curvature of the tooth molding for each tooth to be attached to the front part of each tooth in order to mold the tooth condition before the molding of the tooth according to the identified n tooth molding models Deleting amount of the n front teeth of the front part for maintaining the post-molding tooth state of the patient together with the n 3D tooth molding models by attaching the condition determining means and the determined dental molding for each tooth to each tooth. Tooth removal amount calculation means for calculating the and the minimum deletion amount confirmation means for confirming the minimum tooth deletion amount information for deleting the teeth of the patient to the minimum of the calculated before n teeth front portion removal amount characterized in that it comprises a.

Hereinafter, with reference to the accompanying drawings and description will be described in detail the operating principle of the preferred embodiment of the present invention. However, the drawings and the following description shown below are for the preferred method among various methods for effectively explaining the features of the present invention, the present invention is not limited only to the drawings and description below. In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom. Therefore, the definition should be made based on the contents throughout the present invention.

As a result, the technical spirit of the present invention is determined by the claims, and the following examples are one means for efficiently explaining the technical spirit of the present invention to those skilled in the art to which the present invention pertains. It is only.

1 is a view showing the configuration of the tooth shaping system through the minimum tooth deletion in accordance with an embodiment of the present invention.

In detail, FIG. 1 shows N (N> 1) 3D tooth shaping models and tooth condition information for each tooth shaping model, and the pre-molding tooth state information of the patient's teeth from the 3D tooth photograph before the patient's shaping. Check and compare the dental condition information for each tooth shaping model, and confirm the dental condition information and 3D tooth shaping model for n (n <= N) dental shaping models that can be molded from the patient's pre-molding tooth state. To determine the shape and thickness of the tooth molding for each tooth to be attached to the front of each tooth in order to mold the tooth condition before the molding of the n tooth molding models identified above, Attaching the moldings to each tooth to remove the n front teeth before the molding to maintain the patient's post-molding tooth state as the n 3D tooth molding model As shown in FIG. 1 shows a configuration of a tooth molding system or a tooth molding apparatus, those skilled in the art to which the present invention pertains may refer to FIG. 1 and / or modify the tooth molding through the minimum tooth deletion. While various implementation methods (e.g., some components may be omitted, subdivided, or combined) of the system configuration may be inferred, the present invention includes all the inferred implementation methods, and FIG. The technical features are not limited only to the implementation method shown in FIG.

Referring to FIG. 1, the tooth forming system (or tooth forming apparatus) includes a storage medium 150 storing N (N> 1) 3D tooth molding models and dental condition information for each tooth molding model in association with each other. It characterized in that the storage medium 150 is provided with a tooth shaping model storage means 145 for storing the N 3D tooth shaping model and the tooth condition information for each tooth shaping model.

Here, the 3D dental molding model, 3D obtained by photographing the teeth of the patient after the tooth molding is completed, after molding the patient's teeth by attaching one or more dental moldings after removing the front surface of the patient's teeth. Among the tooth models, the common values of the 3D tooth model in which the patient's satisfaction of the tooth formation is greater than or equal to a preset value are included, including 3D tooth model data classified according to the arrangement and curvature of the tooth and one or more classification criteria of each tooth size and shape. Is done.

According to the exemplary embodiment of the present invention, the 3D dental model includes at least one straight line connecting two or more 3D coordinate values corresponding to a common value of the 3D tooth model, and three or more straight lines are in contact with each other (or intersecting). It is preferably configured in the form of a vector data including a plane to form.

The tooth condition information for each tooth shaping model includes a numerical value corresponding to an arrangement and curvature of a tooth corresponding to any one of the 3D tooth shaping models, and a shape classification value for classifying the size and shape of each tooth. .

Here, the tooth arrangement constituting the dental condition information, and the horizontal / vertical size of each tooth constituting the upper teeth and lower teeth viewed from the front surface of the teeth (for example, the teeth exposed when viewed from the front of the patient's teeth) In this case, each tooth includes overlapping or spaced apart portions of the contact portions.

The tooth curvature constituting the tooth condition information includes a curvature of a curve in which a plurality of teeth constituting the upper teeth / lower teeth are arranged along the jawbone, and a reference point for calculating the tooth curvature is a tooth of each tooth. A curve connecting the front part, or a curve connecting the end points of each tooth (e.g., the lower end point for the upper teeth, the upper end point for the lower teeth), or the curve connecting the volume center of each tooth, or the tooth rear portion of each tooth The curvature is preferably determined based on one or more curves (for example, the surfaces connecting the teeth inside the mouth) or the curve connecting the gum lines where the teeth meet the gums.

The tooth size constituting the dental condition information includes a horizontal / vertical size of each tooth exposed to the front surface of the tooth and an area of each tooth, and further includes a tooth volume of each tooth exposed over the gum line. It is preferable.

The tooth shape constituting the tooth condition information includes a gum line where the teeth of the front surface of each tooth meet the gum, a curve connecting the left / right tooth end points in the up / down direction from the gum line, and the left / right tooth end points of the teeth. Vector data including curves to connect, or code data is classified according to the shape of each gum line, up / down curve and the endpoint connecting line.

The manager terminal deletes one or more dental moldings by attaching the at least one dental molding to the tooth molding model storage unit 145, and then attaches the 3D dental photograph of the patient's teeth and the patient's satisfaction with the tooth molding. In response, the tooth shaping model storage means 145 detects 3D tooth model data from the 3D tooth photograph having the tooth shaping satisfaction equal to or more than a preset value, and sets the common value of the two or more 3D tooth model data to the arrangement of the teeth. And classify the curvature, the tooth size and shape according to one or more classification criteria, and then link the 3D dental molding model including the common value with the dental condition information for each dental molding model to the storage medium 150. Save it.

Referring to FIG. 1, the tooth shaping system (or a tooth shaping device) includes a tooth photograph acquiring means 100 for acquiring a 3D tooth photograph before molding a patient photographed through a 3D camera for photographing teeth, and the 3D tooth before molding. Tooth state confirming means 105 for confirming the pre-molding tooth state information on the patient's teeth by reading a photo, and the N-type tooth molding model stored in the storage medium 150 and the pre-molding tooth state information of the patient Tooth shaping model verification means 140 for confirming the dental condition information and the 3D dental shaping model for each of the n (n <= N) shaping model that can be molded from the patient's pre-molded tooth state by comparing the dental condition information, and the To determine the shape and thickness of each tooth-molding sculpture to be attached to the front part of each tooth, in order to shape the patient's pre-molding tooth condition according to the above-described n-tooth-molding models. Tooth removal condition determination means 135 and the n before the molding for attaching the determined dental molding for each tooth to each tooth to maintain the post-molding of the patient as the n 3D dental model Tooth removal amount calculating means 110 for calculating the tooth front portion deletion amount is characterized in that it is made.

When a 3D dental photograph is photographed before the intraoral molding of the patient through the dental imaging 3D camera provided in the dentist, the dental photograph acquiring means 100 is connected to the 3D camera from the 3D camera through cable communication (or near field communication). A 3D dental picture is obtained prior to shaping the patient.

Here, the 3D tooth photograph before the molding of the patient, the at least one straight line connecting the arrangement and curvature of the tooth in the patient's mouth and two or more 3D coordinate values that can read the size, shape of each tooth, and three It is preferable to include vector data including the surface formed by the above straight line contacting (or crossing).

When the 3D dental photograph is obtained before the patient is molded through the 3D camera, the dental photograph acquisition unit 100 may have an error value due to immaturity in the acquired 3D dental photograph (for example, a peak value that can be found in a normal tooth, Or the arrangement and curvature of the teeth and the shaded value of each tooth, the size and shape of the tooth). If the error value exists, the 3D camera before the intraoral molding of the patient through the 3D camera Process to retake the picture.

If the 3D dental picture before the molding of the patient is obtained through the dental imaging 3D camera provided in the dentist, the tooth state checking means 105 reads the obtained 3D dental picture before the molding of the patient's teeth Check the pre-molding tooth condition information including the arrangement and curvature, and one or more insertion / protrusion values, vertical height separation values, sizes, shapes, and colors for each tooth.

Here, the tooth arrangement of the patient, the horizontal / vertical size of each tooth constituting the upper teeth and lower teeth viewed from the front of the teeth read from the 3D teeth picture, and the overlapping or separated intervals of the parts of each tooth contact It is made to include.

The tooth curvature includes a curvature for a curve in which a plurality of teeth constituting the upper teeth / lower teeth read from the 3D tooth photograph are arranged along the jawbone, and the reference point for calculating the tooth curvature is A curve connecting the front face of the tooth, or a curve connecting the end points of each tooth (e.g., the lower end point for the upper teeth, the upper end point for the lower teeth), or the curve connecting the volume center of each tooth, or the teeth of each tooth Preferably, the curvature is determined based on one or more curves connecting the back portion (eg, the surface where each tooth is inside the mouth) or the curve connecting the gum line where each tooth meets the gum.

The tooth entrainment value may include an in-mouth separation value of a tooth spaced inward from the tooth curvature calculation line based on a tooth curvature calculation line corresponding to the tooth curvature calculated from the 3D tooth photograph.

The tooth protruding value includes a tooth outwardly spaced value of the tooth spaced outward from the tooth curvature calculating line based on a tooth curvature calculating line corresponding to the tooth curvature calculated from the 3D tooth photograph.

The upper and lower tooth spacing values are based on the upper / lower teeth positioned in front of the tooth of the patient based on a longitudinal center line (for example, tooth 11 and 21 tooth dividing lines, or tooth 41 and 31 tooth dividing lines). It includes the height difference in the vertical direction relative to the tooth symmetric in the direction.

The tooth size includes a horizontal / vertical size of each tooth exposed to the front surface of the tooth and an area of each tooth, and preferably further includes a tooth volume exposed to each gum line.

The tooth shape includes a gum line where teeth and gums of each front surface of the tooth meet, a curve connecting left / right tooth endpoints in an up / down direction from the gum line, and a curve connecting left / right tooth endpoints of the teeth. The vector data or the vector data may be classified according to the shape of each gum line, up / down curve, and endpoint connecting line.

The tooth color indicates color and coloring information of a tooth photographed at a color temperature (for example, 5000K) for tooth photographing, and is preferably encoded with a predetermined classification code.

For example, natural yellowish teeth are "NY", severely pigmented yellowish teeth are "YY", prosthetic color mismatch is "PC", tooth decay from tooth decay is "BB", antibiotics are "TC", spots Or smeared teeth "WS", bruised teeth (silent teeth) "NV", abrasion, multiple dental caries and wear due to anorexia "GA", old resin treatment "RC", tartar and exogenous pigmentation "ST" ", It is preferable to mark the tooth color by quantifying through two initial capital letters such as" HL "for horizontal stripes," EH "for enamel dysplasia, and" CA "for cervical wear. According to the intention of the method for displaying the tooth color can be used in various modifications, whereby the present invention is not limited.

When the tooth state checking means 105 confirms the tooth state and curvature of the patient, the tooth state information before molding including at least one of the tooth insertion / protrusion value, the vertical height separation value, size, shape, and color, The tooth shaping model checking means 140 compares the dental condition information of the patient with the dental condition information for each of the N teeth molding models stored in the storage medium 150 to compare the dental condition information of the patient with the molding. The arrangement and curvature of the patient's teeth, one or more sizes and shapes of each tooth, the arrangement and curvatures of the teeth of each model constituting the dental condition information for each tooth model, and one or more of the sizes and shapes of each tooth Check the dental condition information and the 3D dental model for each n (n <= N) dental models that match within the preset range.

According to the method of the present invention, the tooth shaping model check means 140, the tooth curvature of the tooth condition information of each patient prior to molding and the tooth curvature of the tooth condition information for each tooth molding model is matched in a predetermined range, The tooth arrangement of the pre-molding tooth state information and the tooth arrangement of the tooth condition information for each tooth molding model are matched within a predetermined range, and the pre-molding tooth state information of the patient and the tooth condition for each tooth molding model are arranged according to the curvature of the teeth. According to the tooth curvature of the information, it is preferable to check the tooth condition information and the 3D tooth shaping model for each n tooth shaping models in which each tooth size or shape on the tooth arrangement is matched within a preset range.

In addition, the tooth shaping model check means 140 reads the pre-molding tooth state information of the patient to determine whether one or more indentation / protrusion or vertical height separation exists in the pre-molding tooth of the patient.

If one or more depressions / projections or vertical height spacings are identified, the tooth molding model checking means 140 includes the arrangement and curvature of the teeth and the inclusions / projections for each tooth when correcting the depressions / projections or vertical clearances Confirm (or calculate) orthodontic prediction information including at least one value and a vertical height separation value, and compare the dental condition information for each of the N dental models based on the dental condition information including the orthodontic prediction information. It is preferable to check the dental condition information for each of the n tooth molding models and the 3D tooth molding model that can be molded from the patient's pre-molding tooth state.

When the dental condition information for each of the n teeth molding models and the 3D teeth molding model that can be molded from the patient's pre-molded tooth state information are confirmed, the tooth deletion condition determining unit 135 determines the pre-molded tooth state of the patient. In order to form the tooth condition according to the number of tooth-molding models, the shape and thickness of the tooth-molding sculpture and the inner / outer curvature of each tooth to be attached to the front surface of each tooth are determined. At this time, the shape of the dental molding is determined to be the same as the shape of the front portion of the 3D dental molding model, the outer curvature of the tooth molding is also determined to be the same as the front curvature of the 3D dental molding model. .

According to the exemplary embodiment of the present invention, the tooth deletion condition determining unit 135 determines a minimum thickness of the tooth molding for each tooth to be attached to the front part of each tooth before the molding, and determines the minimum thickness or more. While maintaining the thickness, it is preferable to determine that the front tooth curvature of each tooth and the inner curvature of the tooth molding to be attached to the front part of the tooth to be matched within a predetermined range while maintaining the thickness.

Here, since the front tooth curvature of the tooth and the inner curvature of the tooth molding are matched within a preset range, the amount of deletion of the front part of the tooth to be deleted to attach the dental molding is minimized.

According to another exemplary embodiment of the present invention, the tooth deletion condition determining unit 135 includes a tooth embedded in each tooth of the 3D tooth shaping model (or a predetermined amount of inclusion values even after correction) among the teeth before the molding. Tooth to be present), and if it is confirmed that the embedded tooth is present, the thickness of the dental molding to be attached to the front portion of the embedded tooth is determined in proportion to the embedded interval, and the determined While maintaining the thickness, it is preferable to determine that the front tooth curvature of each tooth and the inner curvature of the tooth molding to be attached to the front part of the tooth to be matched within a predetermined range while maintaining the thickness.

In this case, the thickness of the molding for the tooth molding is determined in proportion to the recessed interval, and the front surface tooth curvature of the embedded tooth and the inner curvature of the tooth molding molding is matched in a predetermined range, The amount of removal of the front part of the embedded tooth that must be removed to attach the sculpture is minimized.

According to another exemplary embodiment of the present invention, the tooth deletion condition determining unit 135 may include a protruding value of a predetermined amount of protruding teeth (or even after correction) of each tooth of the 3D tooth forming model among the teeth before the molding. Tooth included), and if it is determined that the protruding teeth are present, it is determined as the minimum thickness to maintain a predetermined standard tooth strength while maintaining the shape of the dental moldings, It is desirable to determine the curvature inner curvature to match the curvature outer curvature (= outer curvature of the 3D dental model).

Here, by determining the thickness of the molding for the tooth to the minimum thickness to maintain a predetermined standard tooth strength, by determining the inner curvature of the dental molding to match the outer curvature of the dental molding, The sculpture minimizes the amount of deletion of the front portion of the embedded tooth that must be removed to attach the dental molding while maintaining the preset standard dental strength.

In other words, the present invention is not to produce a tooth molding based on the deleted amount after pre-deleting the tooth, rather than a tooth molding for the molding according to the 3D tooth molding model that can be molded from the tooth state before the patient's molding By determining the manufacturing conditions of the pre-determining the removal amount of the tooth to be molded, the tooth deletion amount to be deleted for the tooth molding is minimized.

The shape, thickness and inner / outer curvature of the tooth molding for each tooth to be attached to the front side of each tooth are determined in order to shape the tooth condition before the molding of the patient to the identified dental condition for each of the n tooth molding models. When the tooth removal amount calculation unit 110 is attached to each of the tooth moldings based on the shape, thickness and inner curvature of the tooth molding for each tooth, the dental state after molding the patient The removal amount of the n front teeth before molding to maintain the same as the n 3D tooth shaping model is calculated.

According to an embodiment of the present invention, the tooth removal amount calculating unit 110 determines one of a plurality of teeth constituting the 3D tooth shaping model as a reference tooth, and displays the 3D tooth photograph before molding the patient. It is preferable to match the gum position of the same tooth as the reference tooth among the plurality of teeth to be configured as the tooth removal amount reference position, or reference the tooth of any one of the plurality of teeth constituting the 3D tooth photograph before molding the patient. The gum position of the same tooth as the reference tooth among the plurality of teeth constituting the 3D tooth shaping model may be matched with the tooth removal amount reference position.

When the tooth deletion amount reference position with respect to the mood tooth is matched, the tooth deletion amount calculation means 110 is a 3D tooth molding model matched in a preset range based on the tooth deletion amount reference position and the teeth of the 3D tooth photograph before molding According to the curvature, each tooth is arranged to match the gum position of each tooth to determine the tooth removal amount calculation position for each tooth.

When the tooth deletion amount calculation position for each tooth is determined, the tooth deletion amount calculation unit 110 determines the dental moldings determined through the tooth deletion condition determination unit 135 of each tooth constituting the corresponding 3D tooth model. The tooth-molded object is attached to the front part, and the tooth-molded object is attached to the volume of the 3D tooth photograph before the molding which protrudes to the front than the tooth-molded object included in the 3D tooth-molded model based on the position of the tooth removal amount of each tooth. It is calculated by the amount of teeth removed for each tooth.

At this time, the patient selects any one of the 3D teeth shaping model by comparing the amount of n front teeth removal before the molding, wherein the selected 3D teeth shaping model maintains the tooth shaping satisfaction of a certain level or more While it is preferable to determine the minimum tooth removal amount to minimize the removal amount of the front surface of the tooth.

Referring to FIG. 1, the tooth shaping system (or tooth shaping device) includes a 3D tooth photograph of the patient, the identified n 3D tooth shaping models, and the calculated n pre-molding teeth front removal amounts for the patient. It characterized in that it further comprises an output means 115 for matching and output through the output device.

The output means 115 displays the pre-molded 3D dental photograph of the patient and the pre-molded dental state information about the 3D dental photograph before the molding, in the predetermined output region of the output device. Outputs and matches the identified n 3D tooth shaping models and the calculated n pre-molding tooth front portion deletion amounts to another predetermined output area, and selects one of the n 3D tooth shaping models. It is preferable to process to further output the tooth condition information for each tooth shaping model for the selected 3D tooth shaping model.

Referring to FIG. 1, the tooth shaping system (or tooth shaping apparatus) compares the calculated n teeth before removing the front part of the tooth for removal and the minimum tooth deletion information and the 3D tooth molding to delete the teeth of the patient to the minimum. And a minimum erase amount calculating means 130 for checking a model, and the output means 115 matches the identified minimum tooth delete amount information with the 3D tooth shaping model and outputs the same through the output device. It is done.

The minimum deletion amount calculating means 130 compares the calculated total number of n-shaped pre-molded teeth and the minimum tooth deletion information and the 3D teeth to delete the teeth of the patient to the minimum of the n-shaped pre-molded teeth. It is desirable to confirm the molding model.

When the minimum tooth removal amount information and the 3D tooth shaping model for confirming the minimum deletion of the patient's teeth are confirmed by the minimum deletion amount calculating means 130, the output means 115 displays the tooth photograph in a predetermined output area of the output device. Outputs the pre-molded 3D photograph of the patient and the pre-molded dental state information about the pre-molded 3D dental photograph obtained through the acquiring means 100, and the confirmed minimum tooth deletion amount information and 3D in another predetermined output area. Match and output the dental model.

Referring to FIG. 1, the tooth forming system (or tooth forming apparatus) compares the calculated n-pre-molding tooth front part removal amount and sorts the 3D tooth molding model according to the tooth front part removal amount. It characterized in that it comprises a 125, wherein the output means 115 is characterized by matching the n number of 3D tooth shaping models and the number of n front teeth removal before molding and output through the output device .

The removal amount sorting means 125 compares the calculated n-shape tooth front part removal amount to align the 3D tooth molding model in ascending order (or descending order) according to the tooth front part deletion amount, and outputs the 115 outputs pre-molding 3D dental pictures of the patient and pre-molding dental state information about the 3D dental pictures before the molding, which are obtained through the dental photography acquiring means 100, to a predetermined output area of the output device; The n 3D tooth shaping models and the front tooth removal amount before molding are aligned and output in another predetermined output area.

In this case, the patient selects any one 3D dental model based on the aligned n pre-molded tooth front removal and the 3D dental model, wherein the selected 3D dental model includes the tooth of the patient. It is preferable to determine the minimum tooth removal amount to minimize the removal amount of the front surface of the tooth while maintaining a certain level of molding satisfaction.

Referring to FIG. 1, the tooth shaping system (or tooth shaping device) further includes tooth deleting means 120 which deletes the front surface of the tooth before molding the patient through the tooth wear device according to the minimum tooth removal information. It is characterized by.

When the minimum tooth deletion amount information for minimizing the deletion amount of the front surface of the tooth is determined while maintaining the tooth molding satisfaction of the patient, the tooth deleting means 120 uses the tooth wear device to determine the tooth of the patient according to the minimum tooth deletion amount information. It is characterized in that the front portion is deleted.

According to another embodiment of the present invention, it is possible for the dentist to delete the front surface of the tooth of the patient according to the minimum tooth deletion information through the tooth wear device.

According to the method of the present invention, after the front surface of the tooth of the patient is deleted according to the minimum tooth deletion information, the tooth photograph obtaining means 100 acquires the deleted 3D tooth photograph of the patient through the 3D camera. It is preferable.

Referring to FIG. 1, when the minimum tooth removal information and the 3D tooth molding model are determined, the tooth molding system (or the tooth molding apparatus) is connected to the 3D tooth molding model through the dental mold making device 160. It characterized in that it comprises a sculpture manufacturing means 155 for manufacturing a corresponding molding for each tooth.

If the deleted 3D tooth picture of the patient is obtained through the tooth picture obtaining means 100, the sculpture manufacturing means 155 reads the deleted 3D tooth picture to determine the curvature of the front part of each of the deleted teeth. Check whether the inner curvature of the dental molding matches the curvature of the tooth molding corresponding to the 3D dental molding model and the curvature of the front part of each of the deleted teeth to be matched within a preset range. do.

If the curvature of the front part of each of the deleted teeth and the inner curvature of the molding for the tooth molding do not match within a preset range, the sculpture manufacturing means 155 matches the curvature of the front part of each of the deleted teeth to match the tooth. Adjust the inner curvature of the molding.

On the other hand, the front curvature of each of the deleted teeth and the inner curvature of the dental moldings are matched within a preset range, or the inner curvature of the dental moldings is adjusted to match the front curvature of each of the deleted teeth. Then, the sculpture manufacturing means 155 provides the dental molding information to the dental molding manufacturing apparatus 160, including the shape and thickness of the dental molding for each tooth corresponding to the 3D tooth molding model It is characterized in that the processing to produce a tooth molding for each tooth corresponding to the 3D tooth molding model through the tooth molding manufacturing apparatus 160.

When the dental molding for each tooth is manufactured, the manufactured dental molding for each tooth is attached and fixed to the front surface of the tooth of the deleted patient, thereby completing the dental molding.

Figure 2 is a diagram illustrating a method of confirming the dental state through the 3D tooth picture before molding in accordance with an embodiment of the present invention.

In more detail, Figure 2 is a pre-molding process including the tooth arrangement and tooth curvature and the inclusion / extrusion value of each tooth from the 3D tooth image before the patient's molding in the tooth forming system (or tooth shaping device) shown in Figure 1 As an example of a method of confirming tooth state information, the tooth state checking process shown in FIG. 2 is not necessarily output through a predetermined output device.

When the intraoral tooth of the patient is photographed by the 3D camera illustrated in FIG. 1, the 3D tooth of the patient, which can identify the tooth state including the front image of the tooth and the upper and lower tooth arrangements and the lower teeth arrangement of the patient as shown in FIG. 2. A picture is obtained.

Referring to the example shown in FIG. 2, the tooth shaping system (or tooth shaping device) includes a curve connecting the center of volume of each tooth constituting the upper teeth arrangement, and a curve of each tooth constituting the lower teeth arrangement. A curve connecting the volume center point is used as a tooth curvature calculation line to determine the tooth curvature of the pre-molding dental state information of the patient.

In addition, the tooth shaping system (or tooth shaping device) is based on a tooth curvature calculation line including a curve for determining the tooth curvature, the tooth inwardly spaced value of each tooth spaced inward of the mouth than the tooth curvature calculation line , Or by checking the outward direction of the mouth of the tooth spaced outward from the tooth curvature calculation line to determine whether each tooth is joined / protruded.

Figure 3 is a diagram illustrating a method of checking the dental state through the 3D tooth picture before molding according to another embodiment of the present invention.

In more detail, FIG. 3 illustrates a method of confirming pre-molding dental state information including a vertical height separation value from a 3D dental image of a patient before molding in the dental molding system (or tooth shaping apparatus) shown in FIG. 1. As a matter of course, the dental state confirmation process shown in FIG. 3 is not necessarily output through a predetermined output device.

When the tooth in the mouth of the patient is photographed with the 3D camera illustrated in FIG. 1, a 3D tooth photograph of the patient including the front image of the tooth is obtained as shown in FIG. 3.

Referring to the example shown in FIG. 3, the tooth forming system (or tooth shaping device) has a transverse direction based on the tooth 11 and 21 tooth dividing lines, or the tooth 41 and 31 tooth dividing lines included in the tooth front image. Determine the tooth vertical height separation value including the vertical height difference for the teeth symmetrically.

In the example shown in FIG. 3, teeth 12 and 22 of the upper teeth are symmetrical teeth, and teeth 22 are spaced apart upward by a predetermined value from teeth 12.

4 is a diagram illustrating a method of calculating the tooth deletion amount according to the method of the present invention.

In more detail, Figure 4 shows the arrangement and curvature of the tooth of the patient, the tooth state information before molding including one or more of each tooth insertion / protrusion value, vertical height separation value, size, shape, color is confirmed, The 3D dental molding model and the dental condition for each tooth molding model are confirmed from the patient's dental condition, and each tooth to be attached to the front part of each tooth for molding the dental condition before the patient's molding to the dental condition for each dental model Once the shape and thickness of the tooth-molding molding and the inner / outer curvature are determined, the pre-molding dental state information, the 3D dental molding model and the teeth in the dental molding system (or the dental molding apparatus) shown in FIG. Tooth removal amount for shaping the patient's pre-molded tooth state into the 3D dental mold model based on the shape, thickness and inner / outer curvature of the molding As an example of calculating the method, the tooth state calculating process shown in FIG. 4 is not necessarily output through a predetermined output device.

Arrangement and curvature of the patient's teeth, pre-molded tooth state information including one or more insertion / extrusion values, vertical height separation values, sizes, shapes, and colors for each tooth are confirmed, and the molding is performed from the dental state of the patient. The 3D dental molding model and the dental condition for each dental model are identified, and the dental molding for each tooth to be attached to the front surface of each tooth in order to mold the patient's pre-molding dental condition to the dental condition for each dental model. Once the shape and thickness and the inner / outer curvature are determined, the pre-molding tooth condition information and the shape and thickness of the 3D dental model and the dental molding in the dental molding system (or tooth shaping device) shown in FIG. To illustrate the method of calculating the tooth removal amount for shaping the patient's pre-molding tooth state into the 3D tooth shaping model based on the inner / outer curvature. As the tooth state calculation process shown in FIG. 4 is not necessarily output through a predetermined output device.

Pre-molded tooth state including the arrangement and curvature of the patient's teeth, the insertion / extrusion value, the vertical height separation value, the size, shape, and color of the patient through the method illustrated in FIG. 2 or FIG. The information is confirmed, the 3D dental molding model and the dental condition for each dental model can be confirmed from the dental condition of the patient, and the front surface of each tooth for molding the dental condition of the patient to the dental condition for each dental model Once the shape and thickness of the tooth-molding sculpture and the inner / outer curvature of each tooth to be attached to the part are determined, the tooth-forming system (or tooth-forming device) is any one of a plurality of teeth constituting the 3D tooth-molding model. The tooth of the tooth is determined as the reference tooth, and the gum position of the same tooth as the reference tooth among the plurality of teeth constituting the 3D tooth photograph before the molding of the patient The reference tooth among the plurality of teeth constituting the 3D tooth shaping model is determined as a reference tooth by determining one of a plurality of teeth constituting the 3D tooth photograph before the molding of the patient The gum position of the same tooth as is matched with the tooth removal amount reference position.

When the tooth removal amount reference position with respect to the mood tooth is matched, the tooth molding system (or tooth shaping device) is configured to match the 3D tooth molding model and the 3D tooth image before molding in a preset range based on the tooth removal amount reference position. The tooth removal amount calculation position for each tooth is determined by arranging each tooth so that the gum position of each tooth is matched according to the tooth curvature.

When the tooth removal amount calculation position for each tooth is determined, the tooth molding system (or tooth shaping device) uses the tooth molding determined by the tooth deletion condition determining unit 135 to configure each tooth constituting the 3D tooth molding model. Matching the front part of the tooth, the tooth moldings to the volume of the pre-molded 3D tooth pictures protruding to the front than the tooth moldings included in the 3D tooth molding model based on the position of the tooth removal amount calculated It is calculated by the amount of tooth removal for each tooth attached.

5 is a view illustrating a dental molding process according to the method of the present invention.

In more detail, Figure 5 calculates the minimum tooth removal amount for shaping the teeth corresponding to the 3D teeth picture before the molding of the patient to the 3D tooth molding model, and after deleting the front surface of the patient according to the calculated minimum tooth removal amount And attaching a dental molding for molding the patient's pre-molding tooth state into the 3D tooth molding model on the front surface of the deleted patient to mold the patient's tooth into a tooth corresponding to the 3D tooth molding model. It is an example of the process.

In the tooth shaping system (or tooth shaping device) shown in FIG. 1, n tooth removal amounts corresponding to n 3D tooth shaping models are calculated using the method shown in FIG. 4, and (a) of FIG. As shown in FIG. 5 (b), the tooth shaping system (or the tooth shaping device) is the front of the tooth of the patient when the minimum amount of the tooth removal to shape the patient's teeth is determined. The department processes the tooth to be deleted by an amount corresponding to the determined minimum tooth deletion amount.

In addition, the dental molding system (or tooth shaping device) is processed to produce a dental molding for molding the dental state before the molding of the patient to the 3D dental molding model through the molding device for forming a tooth (160). If the determined minimum tooth removal amount is deleted from the front surface of the patient, and the dental molding is manufactured, the dental molding system (or tooth shaping device) is the minimum deletion amount as shown in (c) of FIG. The prepared dental moldings are attached to the front surface of the deleted patient tooth and the dental molding is treated as shown in FIG.

6 is a view showing a process of calculating the tooth deletion amount according to the embodiment of the present invention.

In more detail, FIG. 6 confirms the pre-molding tooth state of the patient from the 3D tooth photograph of the patient in the tooth forming system (or tooth shaping device) shown in FIG. 1, and N (N> 1) pieces. Of the 3D dental shaping models, n (n <= N) 3D dental shaping models that can be molded from the identified pre-molding teeth state of the patient are identified, and the 3D dental shaping models of the checked patient and n 3D dental shaping models are identified. After determining the shape, thickness, and inner / outer curvature of the n dental moldings by matching, the 3D dental model including the dental molding and the 3D dental photograph before the patient's molding are matched to the patient. A process of calculating the number of tooth removal for each 3D dental model for attaching the dental molding to the front surface of the tooth before molding to form the patient's pre-molded tooth into the 3D dental model. As illustrated, those of ordinary skill in the art to which the present invention pertains, various implementation methods (e.g., some steps may be omitted) for the process of calculating the tooth removal amount by referring to and / or modifying the present Figure 6, Or an implementation method in which the order is changed), but the present invention includes all the implementation methods inferred above, and the technical features are not limited to the implementation method shown in FIG.

Hereinafter, in FIG. 6, the tooth forming system (or tooth forming apparatus) shown in FIG. 1 is referred to as " apparatus " for convenience.

When a 3D dental photograph is taken before the patient's intraoral shaping through the dental imaging 3D camera, the device is a 3D tooth before shaping the patient from the 3D camera via cable communication (or near field communication) with the 3D camera. A photograph is obtained (600), and the obtained pre-molded 3D dental photograph is read to determine the arrangement and curvature of the patient's teeth, the insertion / extrusion value, the vertical height separation value, the size, the shape, and the color of each tooth. Check the tooth state information before molding, including the above (605).

If the pre-molded tooth state information is confirmed from the pre-molded 3D tooth photograph of the patient (610), the apparatus may determine the pre-molded tooth state information of the patient and the teeth of the N tooth-molded models stored in the storage medium 150. By comparing the condition information, the arrangement and curvature of the patient teeth constituting the patient's pre-molding tooth state information, and at least one of the size and shape of each tooth of the model-specific teeth constituting the tooth condition information for each tooth model The dental condition information and the 3D dental model for each n (n <= N) dental models that match the arrangement and curvature, one or more of each tooth size and shape, and a predetermined range are checked (615).

According to the embodiment of the present invention, the apparatus, the tooth curvature of the pre-molded tooth state information and the tooth curvature of the tooth condition information for each tooth molding model is matched in a preset range, the arrangement arranged in accordance with the tooth curvature The tooth arrangement of the tooth condition information of the pre-molding tooth information and the tooth arrangement of the tooth condition information of each tooth molding model are matched within a preset range, and the tooth according to the tooth curvature of the pre-molding tooth state information of the patient and the tooth condition information of the tooth molding model It is preferable to check the dental condition information and the 3D dental model for each n teeth model in which each tooth size or shape on the array is matched within a preset range.

In addition, the device reads the pre-molding tooth state information of the patient to determine whether there is at least one indentation / protrusion or vertical height separation in the pre-molding tooth of the patient.

If one or more depressions / projections or vertical height clearances are identified, the device determines the arrangement and curvature of teeth and the insertion / projection values and vertical height clearance values of each tooth when the depressions / projections or vertical clearances are corrected. Confirm (or calculate) orthodontic prediction information including one or more, and compare the dental condition information of the N dental modeling model based on the dental condition information including the orthodontic prediction information, the dental state before molding the patient It is preferable to check the dental condition information and the 3D dental model for each of the n dental models that can be molded from the

If the dental condition information and the 3D dental model for each of the n tooth molding models that can be molded from the patient's pre-molding tooth condition information are confirmed (620), the apparatus determines the n teeth of the patient before the molding of the patient. The shape and thickness and inner / outer curvature of the dental molding for each tooth to be attached to the front surface of each tooth are determined in order to mold according to the dental condition for each molding model (625). At this time, the shape of the dental molding is determined to be the same as the shape of the front portion of the 3D dental molding model, the outer curvature of the tooth molding is also determined to be the same as the front curvature of the 3D dental molding model. .

According to one embodiment of the present invention, the apparatus determines the minimum thickness of the tooth molding for each tooth to be attached to the front part of each tooth before the molding, and maintains the thickness while maintaining the thickness above the determined minimum thickness. It is preferable to determine that the front tooth curvature of each tooth and the inner curvature of the dental molding to be attached to the front part of the tooth are matched within a preset range.

Here, since the front tooth curvature of the tooth and the inner curvature of the tooth molding are matched within a preset range, the amount of deletion of the front part of the tooth to be deleted to attach the dental molding is minimized.

According to another exemplary embodiment of the present invention, the apparatus checks whether there is an embedded tooth (or a tooth including a certain amount of embedded value even after correction) among the respective teeth of the 3D dental molding model before the molding. And if it is determined that the embedded tooth is present, the thickness of the dental molding to be attached to the front portion of the embedded tooth is determined in proportion to the embedded interval, and the pre-molding is maintained while maintaining the determined thickness. It is desirable to determine that the front tooth curvature of each tooth and the inner curvature of the dental molding to be attached to the front part of the tooth are matched within a predetermined range.

In this case, the thickness of the molding for the tooth molding is determined in proportion to the recessed interval, and the front surface tooth curvature of the embedded tooth and the inner curvature of the tooth molding molding is matched in a predetermined range, Removal of the front part of the embedded tooth to be removed to attach the sculpture is minimized.

According to another embodiment of the present invention, the apparatus, whether each tooth before the molding protrudes than each tooth of the 3D tooth molding model (or teeth including a certain amount of protrusion value even after correction) is present. If it is confirmed that the protruding teeth are present, it is determined to have a minimum thickness that maintains a predetermined standard tooth strength while maintaining the shape of the dental molding, and the curvature inside curvature of the dental molding It is desirable to determine to match the outer curvature of the melt (= outer curvature of the 3D dental model).

Here, by determining the thickness of the molding for the tooth to the minimum thickness to maintain a predetermined standard tooth strength, by determining the inner curvature of the dental molding to match the outer curvature of the dental molding, The sculpture minimizes the amount of deletion of the front portion of the embedded tooth that must be removed to attach the dental molding while maintaining the preset standard dental strength.

In other words, the present invention is not to produce a tooth molding based on the deleted amount after pre-deleting the tooth, rather than a tooth molding for the molding according to the 3D tooth molding model that can be molded from the tooth state before the patient's molding By determining the manufacturing conditions of the pre-determining the removal amount of the tooth to be molded, the tooth deletion amount to be deleted for the tooth molding is minimized.

If the shape of the tooth shape and the thickness and the inner / outer curvature of each tooth molding to be attached to the front part of each tooth in order to shape the tooth condition before the molding of the patient to the identified n teeth model Once determined (630), the device attaches to each tooth of each of the dental moldings based on the shape, thickness and inner curvature of each of the dental moldings for each tooth to indicate the dental condition after molding the patient. An amount of deletion of n front teeth of the front part for maintaining the 3D tooth shaping model is calculated (635).

According to an embodiment of the present invention, the apparatus may determine one of a plurality of teeth constituting the 3D tooth shaping model as a reference tooth, and among the plurality of teeth constituting the 3D tooth photograph before molding the patient. Preferably, the gum position of the same tooth as the reference tooth is matched with the tooth removal amount reference position, or one of a plurality of teeth constituting the 3D tooth photograph before molding the patient is determined as the reference tooth, and the 3D The gum position of the same tooth as the reference tooth among the plurality of teeth constituting the tooth shaping model may be matched with the tooth removal amount reference position.

When the tooth removal amount reference position with respect to the mood tooth is matched, the device is configured according to the tooth curvature of the 3D tooth molding model and the 3D tooth image before molding that are matched in a preset range based on the tooth deletion amount reference position. Each tooth is arranged to match the gum position to determine the tooth removal amount calculation position for each tooth.

When the tooth deletion amount calculation position for each tooth is determined, the apparatus includes a tooth molding that is determined through the tooth deletion condition determining unit 135 by matching the front part of each tooth constituting the corresponding 3D tooth molding model. The amount of tooth removal by each tooth to which the dental molding is attached is the volume of the 3D tooth photograph before the molding that protrudes to the front than the dental molding included in the 3D dental molding model based on the position of the tooth removal amount of each tooth. Calculate as

7 is a view showing a process of determining the minimum tooth deletion amount according to an embodiment of the present invention.

In more detail, in FIG. 7, when the removal amount of the n front teeth is calculated through the process shown in FIG. 6, before the patient is molded in the tooth forming system (or the tooth shaping device) shown in FIG. After matching the 3D teeth photographs with the identified n 3D tooth shaping models and the calculated n pre-molding tooth front part removal amounts for output through an output device, the patient removes the n pre-molding tooth front part deletion amounts by a patient. The process of determining the 3D tooth shaping model to be applied to the tooth shaping based on the basis of the tooth removal, and determining the tooth removal amount corresponding to the 3D tooth shaping model selected by the patient as the minimum tooth removal amount that maintains the patient's molding satisfaction. As one of ordinary skill in the art to which the present invention pertains, the above minimum may be obtained by referring to and / or modifying this drawing. Various implementation methods (e.g., some steps may be omitted or the order may be changed) may be inferred for the process of determining the amount of tooth deletion, but the present invention includes all the implementation methods inferred. The technical features are not limited only to the implementation method shown in FIG.

Hereinafter, in FIG. 7, the tooth forming system (or tooth forming apparatus) shown in FIG. 1 is referred to as " apparatus " for convenience.

Referring to FIG. 7, when the erase amount of the n front teeth of the molding is calculated through the process shown in FIG. Outputting the pre-molding tooth state information for the 3D teeth picture, and matching and outputting the identified n 3D teeth molding model and the calculated n pieces of pre-molding tooth front portion deletions to another predetermined output area (700), By selecting any one of the n 3D tooth shaping model, it is preferable to process to further output the tooth condition information for each tooth shaping model for the selected 3D tooth shaping model.

The device then determines which one of the n 3D dental models output by the patient is selected to be applied to the tooth molding (705), and if the patient is to be applied to the dental molding by the patient. When any one 3D tooth shaping model is selected (710), the tooth removal amount corresponding to the 3D tooth shaping model selected by the patient is determined as the minimum tooth removal amount that maintains the patient's molding satisfaction at a predetermined level or more (715).

8 is a view showing a process of determining the minimum tooth deletion amount according to another embodiment of the present invention.

In more detail, in FIG. 8, when the amount of deletion of the front n teeth before forming is calculated through the process illustrated in FIG. 6, the identified n pieces of the tooth forming system (or tooth forming apparatus) illustrated in FIG. 1 are calculated. After aligning the 3D dental model according to the amount of removal of each tooth front part through the output device, if any one of the aligned 3D dental model is selected by the patient, the 3D dental model selected by the patient is selected. A process of determining a corresponding tooth deletion amount as a minimum tooth deletion amount for maintaining a patient's molding satisfaction level above a certain level, and a person having ordinary knowledge in the art to which the present invention pertains refers to FIG. 8 and / or Various implementation methods (e.g., some steps may be omitted or the order may be changed) for determining the minimum tooth removal amount by modification It can be inferred from the implementation method), but the present invention includes all the implementation methods inferred above, and the technical features are not limited only to the implementation method shown in FIG.

Hereinafter, in FIG. 8, the tooth forming system (or tooth forming apparatus) shown in FIG. 1 is referred to as " apparatus " for convenience.

Referring to FIG. 8, when the erase amount of n pre-molded teeth front parts is calculated through the process illustrated in FIG. 6, the apparatus compares the calculated n pre-molded tooth front parts to be removed by comparing the calculated front teeth. Aligning the 3D tooth molding model in ascending order (or descending order) according to (800), and before the molding 3D tooth picture of the patient obtained through the tooth picture acquisition means 100 in a certain output area of the output device, Outputs pre-molding tooth state information on the pre-molded 3D dental photograph, and arranges n 3D tooth molding models and n calculated pre-molded tooth front portion deletion amounts arranged according to the tooth removal amount in another predetermined output area. And output (805).

The device then determines which one of the 3D dental models to be applied to the teeth among the n 3D dental models outputted by the patient is selected (810) and which one to apply to the teeth by the patient. When one 3D tooth shaping model is selected (815), the tooth removal amount corresponding to the 3D tooth shaping model selected by the patient is determined as the minimum tooth removal amount that maintains the patient's molding satisfaction at a predetermined level or more (820).

9 is a view showing a process of determining the minimum tooth deletion amount according to another embodiment of the present invention.

In more detail, in FIG. 9, when the amount of deletion of the front n teeth before forming is calculated through the process illustrated in FIG. 6, the identified n pieces of the tooth forming system (or tooth forming apparatus) illustrated in FIG. 1 are calculated. After confirming the 3D tooth shaping model and the minimum tooth removal information that deletes the patient's teeth to the minimum compared to each tooth front face removal amount for the 3D tooth shaping model, and confirming the consent of the patient to the 3D tooth shaping model A process of determining a corresponding tooth deletion amount as a minimum tooth removal amount for maintaining a certain level of the patient's molding satisfaction, and if the person skilled in the art to which the present invention pertains, refer to and / or the present figure 9 Various implementation methods (e.g., some steps are omitted or the order is changed) for determining the minimum tooth removal amount by modification Exemplary method would be able to infer a), the present invention is made, including any exemplary way in which the inference, to which the technical feature that is not limited to the exemplary method shown in the figure 9.

Hereinafter, in FIG. 9, the tooth forming system (or tooth shaping device) shown in FIG. 1 is referred to as " apparatus " for convenience.

Referring to FIG. 9, when the erase amount of the n pre-molded teeth front parts is calculated through the process illustrated in FIG. 6, the apparatus compares the calculated n pre-molded tooth front parts to remove the patient's teeth. Confirming the minimum tooth deletion information and the 3D tooth shaping model to be deleted to the minimum (900), the 3D tooth before the molding of the patient obtained through the tooth photograph obtaining means 100 in a predetermined output area of the output device; The pre-molding tooth state information is output for the pre-molding 3D tooth photograph, and the determined minimum tooth removal information and the 3D tooth molding model are matched to another predetermined output area (905).

Thereafter, the device checks whether or not the patient consents to shaping the teeth with the 3D tooth shaping model including the minimum tooth removal amount (910), and if the patient enters the 3D tooth shaping model including the minimum tooth removal amount. If the patient agrees to mold the teeth (915), the tooth removal amount agreed by the patient is determined as the minimum tooth removal amount that maintains the patient's molding satisfaction at a predetermined level or more (920).

FIG. 10 is a view illustrating a dental molding process through minimal tooth deletion according to an embodiment of the present invention. FIG.

In more detail, in FIG. 10, when the minimum tooth removal amount for maintaining a patient's molding satisfaction is determined through the process illustrated in FIGS. 7 to 9, the tooth forming system (or tooth molding) shown in FIG. 1 is determined. Apparatus) process to delete the front surface of the patient according to the determined minimum tooth removal amount, and to process to produce a dental moldings corresponding to the minimum tooth deletion amount, which is usually in the art Those skilled in the art can refer to and / or modify this drawing to infer various implementation methods (e.g., some steps may be omitted, or the order may be changed) for the dental molding process by removing the minimum teeth. As will be appreciated, the present invention includes all implementation methods inferred, as shown in FIG. The technical features are not limited only to the implemented method.

Hereinafter, in FIG. 10, the tooth forming system (or tooth forming apparatus) shown in FIG. 1 is referred to as " apparatus " for convenience.

When the minimum tooth removal amount for maintaining a patient's molding satisfaction is determined through the process shown in FIGS. 7 to 9, the device is configured to face the front of the patient's teeth before the molding through the tooth wear device according to the minimum tooth removal information. The process is performed to delete the part (1000).

Thereafter, the device acquires a deleted 3D tooth picture of the patient through a 3D camera (1005), reads the deleted 3D tooth picture and checks the curvature of the front part of each deleted tooth (1010). The inner curvature of the dental molding for each tooth corresponding to the 3D dental molding model and the front curvature of the deleted tooth are compared to determine whether the inner curvature of the dental molding matches within a preset range (1015). .

If the curvature of the front part of each of the deleted teeth and the inner curvature of the dental molding do not match within a preset range (1020), the device is matched with the curvature of the front part of each of the removed teeth for the tooth molding Adjust the inner curvature of the sculpture (1025).

On the other hand, the front curvature of each of the deleted teeth and the inner curvature of the dental moldings are matched in a preset range (1020), or the inner curvature of the dental moldings is the front curvature of each of the deleted teeth and If the matching is adjusted (1025), the device provides dental molding information to the dental molding manufacturing apparatus 160, including the shape and thickness of the tooth molding for each tooth corresponding to the 3D dental molding model Then, the tooth molding process for producing a tooth molding for each tooth corresponding to the 3D tooth molding model through the manufacturing apparatus 160 (1030).

When the tooth molding for each tooth is manufactured, the produced tooth molding for each tooth is attached and fixed to the front surface of the tooth of the deleted patient.

According to the present invention, after having a plurality of 3D tooth shaping models and dental condition information for each tooth shaping model, and confirms the pre-molding tooth state information for the patient's teeth from the 3D teeth picture before the patient's molding, Compare the dental condition information of the patient and the dental condition information of each of the plurality of dental molding models to check the dental condition information and 3D dental model for each of the at least one dental molding model that can be molded from the patient's pre-molded dental condition, the patient To determine the shape and thickness of each tooth molding and the inner and outer curvature of each tooth to be attached to the front of each tooth in order to shape the tooth condition before the molding of the tooth condition according to the at least one or more dental modeling identified above, By calculating the minimum tooth removal amount for attaching the determined dental molding for each tooth to the patient's teeth, Dentists do not have a lot of clinical experience also has the advantage that can be removed while the teeth of the patient to a minimum to provide a dental molding services to keep dental molding satisfaction of patients above a certain level.

Claims (12)

  1. In the tooth shaping method through minimal tooth removal of the tooth shaping system,
    Storage medium by linking N (N> 1) 3D tooth molding models and tooth condition information for each tooth molding model including tooth arrangement and curvature, one or more sizes and shapes of each tooth Storing the tooth molding model to store in;
    When the 3D tooth image is obtained before the patient's molding, the tooth state checking means reads the 3D tooth image before the molding, and the pre-molding tooth state information about the patient's teeth-the arrangement and curvature of the tooth, and the insertion / protrusion of each tooth A tooth condition checking step of checking a value, including a height, a height, a spaced apart value, a size, a shape and a color;
    By comparing the dental condition information of the patient and the dental condition information for each N dental model in the tooth shaping model confirming means, n (n <= N) teeth according to the n (n <= N) dental model can be molded from the dental condition before the patient's molding. Step of confirming the tooth model to confirm the condition information and the 3D tooth model;
    The shape, thickness, and inside of each tooth molding for each tooth to be attached to the front of each tooth in order to form the tooth condition before the molding of the patient in the tooth condition for each of the identified n tooth molding models in the tooth deletion condition determining means Tooth deletion condition determination step of determining the outer curvature; And
    The tooth removal amount calculating means attaches the determined dental molding for each tooth to each of the teeth, and removes n front teeth of the tooth before the molding to maintain the post-molding tooth state of the patient with the n 3D tooth molding models. Tooth removal method through the minimum tooth deletion, characterized in that comprises; calculating tooth removal amount calculating step.
  2. According to claim 1, wherein the step of confirming the tooth molding model,
    Reading the pre-molding dental state information of the patient to determine whether one or more indentation / protrusion or vertical height separation exists in the pre-molding tooth of the patient; And
    When one or more depressions / projections or vertical clearances are identified, a tooth including one or more arrangements and curvatures of the teeth when the depressions / projections or vertical clearances are corrected, and one or more insertion / projection values and vertical clearances for each tooth Confirming (or calculating) correction prediction information to be processed to be compared with the dental condition information for each of the N dental modeling method; Tooth molding method through the minimum tooth deletion, characterized in that further comprises.
  3. According to claim 1, wherein the step of confirming the tooth molding model,
    Comparing the tooth curvature of the patient's pre-molding dental condition information with the tooth curvature of the dental condition information and matching the tooth curvature in a preset range, and arranging the tooth arrangement of the pre-molding dental condition information according to the tooth curvature; It is characterized in that the tooth arrangement information of the tooth condition information is matched in a preset range, and the tooth condition information for each of the n tooth shaping models matching the size or shape of each tooth on the tooth arrangement according to the tooth curvature in the preset range Method of tooth shaping with minimal tooth removal.
  4. The method of claim 1, wherein the determining of the tooth deletion condition comprises:
    Determining a minimum thickness of the tooth molding for each tooth to be attached to the front part of each tooth before molding; And
    Determining that the front surface tooth curvature of each tooth and the inner curvature of the tooth molding to be attached to the front surface of the tooth to be matched within a predetermined range while maintaining the thickness of the determined minimum thickness or more; Tooth molding method through the minimum tooth deletion, characterized in that.
  5. The method of claim 1, wherein the determining of the tooth deletion condition comprises:
    Identifying a tooth embedded among each tooth of the 3D tooth forming model among the teeth before molding;
    Determining the thickness of the dental molding to be attached to the front portion of the embedded tooth in proportion to the embedded interval when the embedded tooth is identified; And
    Determining that the front surface tooth curvature of each tooth before molding and the inner curvature of the tooth molding to be attached to the front surface of the tooth to be matched within a predetermined range while maintaining the determined thickness; Method of tooth shaping with minimal tooth removal.
  6. The method of claim 1, wherein the determining of the tooth deletion condition comprises:
    Identifying teeth protruding from each tooth of the 3D tooth forming model among the teeth before the molding;
    When confirming the protruding teeth, it is determined as the minimum thickness to maintain a predetermined standard tooth strength while maintaining the shape of the dental molding, so that the inner curvature of the dental molding to match the outer curvature of the dental molding Tooth molding method through the minimum tooth deletion, characterized in that comprises; comprising the step of determining.
  7. The method of claim 1, wherein the tooth removal amount calculating step,
    Determination of any one tooth among the plurality of teeth constituting the 3D tooth shaping model as a reference tooth, the tooth position of the same teeth as the reference tooth among the plurality of teeth constituting the 3D tooth picture before molding the patient By matching the reference position, and each tooth is arranged so that the gum position of each tooth is matched according to the tooth curvature of the 3D tooth molding model and the 3D tooth photo before molding matched in the preset range based on the tooth removal amount reference position Determining a tooth removal amount calculating position for each tooth;
    Matching and including the dental moldings determined through the tooth deletion condition determining step in front of each tooth constituting the 3D dental molding model;
    Comprising the step of calculating the volume of the tooth removal amount before the molding 3D teeth picture projecting to the front than the dental moldings included in the 3D tooth molding model on the basis of the tooth removal amount calculation position of each tooth; Tooth shaping with minimal tooth removal.
  8. The method of claim 1,
    And outputting the output means through an output device by matching the 3D tooth photograph of the patient with the identified n 3D tooth molding model and the calculated n front teeth of the tooth before the molding. Tooth shaping method with minimal tooth removal.
  9. The method of claim 1,
    Checking the 3D tooth shaping model and the minimum tooth deletion amount information for minimumly deleting the patient's teeth by comparing the calculated n pieces of pre-molded tooth front portion deletion amounts by a minimum deletion amount calculating means; And
    And matching the identified minimum tooth deletion amount information with the 3D tooth molding model in an output means and outputting the same through the output device. 2.
  10. The method of claim 1,
    Arranging the 3D tooth shaping model according to the tooth front part removal amount by comparing the calculated n-molding tooth front part removal amount by the removal amount alignment means; And
    Matching the n 3D tooth shaping models and n number of front teeth removal prior to molding in the output means further comprises the step of outputting through the output device.
  11. A computer-readable recording medium having recorded thereon a program for executing the method of any one of claims 1 to 10.
  12. A storage medium for storing N (N> 1) 3D tooth shaping models and tooth condition information for each tooth shaping model in association with one or more tooth arrangements and curvatures, and size and shape of each tooth;
    When the 3D tooth image is obtained before the patient's molding, the pre-molding 3D tooth image is read and the pre-molding tooth state information about the patient's teeth-arrangement and curvature of the tooth, the insertion / extrusion value of each tooth, and the vertical height separation Dental condition identification means for identifying one or more values, sizes, shapes, colors;
    3D tooth shaping and dental condition information for each n (n <= N) tooth shaping models that can be molded from the patient's pre-molding teeth by comparing the patient's pre-molding dental condition information with the dental condition information for each N dental model. Dental modeling means for confirming the model;
    To determine the shape and thickness and inner / outer curvature of the tooth molding for each tooth to be attached to the front side of each tooth in order to mold the patient's pre-molding tooth condition according to the identified n tooth molding models. Tooth deletion condition determining means;
    Tooth removal amount for calculating the tooth removal before the molding to maintain the post-molding teeth of the patient as the n 3D tooth molding model by attaching the determined dental molding for each tooth to each tooth Way; And
    And a minimum deletion amount checking means for checking minimum tooth deletion amount information for deleting the teeth of the patient to the minimum among the calculated n-molded tooth front portion deletion amounts.
KR1020090058750A 2009-06-30 2009-06-30 System and Method for Tooth Cosmeticby Using Minimum Tooth Remove and Recording Medium KR101067989B1 (en)

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KR101810038B1 (en) * 2016-12-02 2017-12-26 주식회사 디오 automatic dental preparation system

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WO2017111184A1 (en) * 2015-12-22 2017-06-29 김태환 Method for modeling teeth

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KR101810040B1 (en) * 2016-12-02 2017-12-18 주식회사 디오 control method for automatic dental preparation system
KR101810038B1 (en) * 2016-12-02 2017-12-26 주식회사 디오 automatic dental preparation system

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