WO2018101785A1

WO2018101785A1 - Hybrid orthodontic appliance and method for manufacturing same

Info

Publication number: WO2018101785A1
Application number: PCT/KR2017/013985
Authority: WO
Inventors: 조건제
Original assignee: 조건제
Priority date: 2016-12-01
Filing date: 2017-12-01
Publication date: 2018-06-07
Also published as: JP7055428B2; KR101997562B1; JP2020507427A; KR20180062666A

Abstract

The present invention relates to an orthodontic appliance and method for manufacturing same and, more specifically, to an orthodontic appliance which enables a lingual-side orthodontic appliance using a support bracket and a transparent orthodontic appliance worn on the teeth to be used in a hybrid form and thus enables reduction of orthodontic treatment duration and provides optimum orthodontic effects.

Description

Hybrid orthodontic device and manufacturing method thereof

The present invention relates to a dental orthodontic device and a method for manufacturing the same. More particularly, by using a lingual orthodontic device using a support bracket and a transparent orthodontic device worn on the teeth as a hybrid, the correction period is shortened, and an optimal orthodontic effect can be obtained. It relates to a dental orthodontic device and a method of manufacturing the same.

Orthodontic devices are widely used for orthodontic treatment for crooked teeth, protruding mouths, malocclusion teeth, as well as for cosmetic purposes through a balanced contour to straighten twisted teeth.

The orthodontic device includes a metal orthodontic device for fixing a metal bracket on the front of the tooth, a ceramic orthodontic device for fixing a tooth-like ceramic bracket on the front of the tooth, a lingual orthodontic device for fixing the bracket inside the tooth, a tooth-shaped transparent material tooth cover Transparent orthodontic devices that are worn on the teeth, such as the mouthpiece is widely used.

Among them, the use of the lingual correction device and the transparent correction device, which are excellent in orthodontic treatment effects, without the correction device being visually recognized, is increasing.

The lingual orthodontic device is a method of fixing the support bracket to the inside of the tooth, the lingual, and by combining the orthodontic wire connected between the through-hole of the support bracket to move the tooth according to the expansion force of the orthodontic wire to generate a corrective effect, transparent correction The device manufactures a number of transparent dental braces for each stage that can move the teeth finely progressively between the current and final dental state to finely move the teeth that need to be corrected to gradually move the teeth. After that, by rearranging the teeth by wearing the transparent braces in step order.

Here, the lingual orthodontic device is not visible to the outside because the support bracket is formed on the inside of the tooth, the lingual, and because the tooth is corrected by the expansion force of the orthodontic wire, the correction period is short, but it is difficult to restrain the tooth during tooth expansion Because of this, teeth have been extended or rotated too much to deviate from the expected form of correction, which makes precise correction control difficult.

And the transparent orthodontic device can be easily worn on the teeth, such as a mouthpiece, there is an advantage that is not visible to the outside, but due to the limitation of the movement of the teeth, the correction period is long because it is necessary to wear too many levels of transparent orthodontic devices sequentially If the teeth are not corrected in the predicted state, the teeth may be overwhelmed, and in severe cases, the nerves of the teeth may be damaged.

On the other hand, by using the lingual correction device and the transparent correction device as a hybrid orthodontic device that can shorten the correction period and increase the correction effect has been developed, but the two cases of severe occlusal teeth according to the patient's teeth condition Since it may not be possible to wear the orthodontic device at the same time, it is necessary to precisely control the movement of the teeth by determining whether to wear a hybrid of the lingual orthodontic device and the transparent orthodontic device step by step according to the tooth condition.

In order to solve the above problems, the advantages of the lingual orthodontic device and the transparent orthodontic device to be used as a hybrid, by determining whether to wear a hybrid of the lingual orthodontic device and the transparent orthodontic device according to the patient's teeth at each step. It is to provide a dental orthodontic device that can reduce the period of correction and increase the effect of correction by calculating the wear plan for each stage.

In order to achieve the above object, the orthodontic device according to the present invention is a orthodontic device for straightening teeth by combining the lingual orthodontic device and the transparent orthodontic device in a hybrid; Transparent prepared on the basis of the unit calibration data generated on the lingual correction unit fixed to the inner surface of the tooth of the patient and on the teeth on which the lingual correction unit is mounted and generated to guide the range of tooth movement according to the corrective force of the lingual correction unit. And a calibrator design unit configured to design a calibrator by determining whether or not the calibration unit and the lingual calibration unit and the transparent calibration unit are worn at the same time.

The lingual correction unit sets the digital lingual correction unit in the patient's digital dental data (STL 1) through the transparent correction data generation program to obtain lingual correction data (STL 2), and the teeth for the lingual correction data (STL 2). A mold is prepared, and a jig is manufactured by cutting an area of the transparent jig bone which is manufactured by thermally pressing a transparent synthetic resin on the tooth mold, the region of which does not need teeth correction; Generate and manufacture a lingual correction unit according to the set digital lingual correction unit; The support bracket of the lingual correction unit is inserted into the jig, and the jig is mounted on the teeth.

The braces design unit predicts a behavior range including an extension range and a rotation range of teeth required for correction according to the wearing of the lingual correction unit based on the tooth condition of the patient, and determines whether the behavior range is within a preset possible range. If the behavior range is within the allowable range, the lingual correction device and the transparent correction unit are determined to be worn at the same time, and if the behavior range is more than the allowable range, the lingual correction unit is worn first, and then the correction range is possible later. It is characterized in that it is determined whether to be worn at the same time by checking whether the corrected to within the range of motion is within the possible range of the lingual correction unit and the transparent correction unit.

The transparent correction unit sets the digital lingual correction unit in the digital dental data (STL 1) of the patient through the transparent correction data generation program to obtain lingual correction data (STL 2) or current lingual correction data (STL 2_C), Acquire transparent correction data (STL 3) for guiding tooth behavior according to the lingual correction unit, and superimpose the lingual correction data (STL 2) or the current lingual correction data (STL 2_C) and the transparent correction data (STL 3). Obtain unit calibration data (STL 4); Preparing a tooth mold for the unit calibration data (STL 4); It characterized in that it is prepared by thermally pressing the transparent synthetic resin on the tooth mold.

The transparent calibration data generating program obtains unit calibration data STL 4 by superimposing the lingual calibration data STL 2 or the current lingual calibration data STL 2_C and the transparent calibration data STL 3; Block-Out that fills and blocks the outermost outer line among the overlapping areas of the lingual correction data STL 2 or the current lingual correction data STL 2_C and the transparent correction data STL 3. Unit calibration data (STL 4) to obtain the unit calibration data (STL 4).

On the other hand, the orthodontic device manufacturing method according to the present invention is a orthodontic device manufacturing method for straightening the teeth by combining the lingual orthodontic device and the transparent orthodontic device in a hybrid; Setting the lingual corrective unit in the patient's digital dental data; Manufacturing the set lingual correction unit; Determining whether the transparent correcting unit can be worn simultaneously by predicting tooth behavior according to the set lingual correcting unit; when the simultaneous wearing with the transparent correcting unit is possible, a tooth movement range according to the correcting force of the set lingual correcting unit It characterized in that it comprises the step of manufacturing a transparent calibration unit based on the unit calibration data generated to guide the.

Setting the lingual corrective unit comprises acquiring scanned 3D digital dental data (STL 1) for a patient's current dental condition; The position and direction of the support brackets are adjusted based on a virtual arch line to be connected to the teeth that need to be corrected among the digital teeth data STL 1 by placing them on the inner side of the teeth of the digital teeth data STL 1 And setting lingual calibration unit to obtain lingual calibration data (STL 2).

Determining whether the transparent orthodontic unit can be worn at the same time, through the braces design unit to predict the behavior range including the extension range and rotation range of the teeth required for the correction according to the wearing of the lingual orthodontic unit It is determined whether the behavior range is within a preset possible range, and when the behavior range is within the possible range, it is determined to simultaneously wear the lingual correction device and the transparent correction unit, and when the behavior range is more than the possible range, After the calibration unit is worn first, after the calibration, it is determined whether the behavior range is calibrated within the possible range, and if the behavior range is within the possible range, the lingual calibration unit and the transparent calibration unit may be determined to be worn at the same time.

If the behavior range is greater than or equal to the possible range, the lingual correction unit is worn for a predetermined period of time, and the current lingual correction data (STL 2_C), which is corrected, is obtained, and the tooth behavior is predicted therefrom. Unit wearing and prediction are repeated, and if the behavior range is within the possible range, it is determined to simultaneously wear the lingual correction unit and the transparent correction unit.

The manufacturing of the transparent orthodontic unit may be performed by securing a space for tooth rotation, movement, and expansion according to the corrective force of the lingual correction unit set in the lingual correction data STL 2 or the current lingual correction data STL 2_C. Rearranging to generate transparent calibration data (STL 3); Unit calibration data secured a space for rotation, movement and expansion of the tooth while accommodating the current tooth by overlapping the lingual correction data (STL 2) or the current lingual correction data (STL 2_C) and the transparent correction data (STL 3). Generating (STL 4); 3D printing the unit correction data (STL 4) to produce a dental mold, and heat pressing the transparent synthetic resin on the dental mold, characterized in that it comprises the step of producing a transparent correction unit.

The generating of the unit calibration data STL 4 may include generating the unit calibration data STL 2 of the lingual calibration data STL 2 and the transparent calibration data STL 3 from an overlapping area of the lingual calibration data STL 2 and the transparent calibration data STL 3. Unit correction data (STL 4) is obtained by overlapping with a block-out process of expanding the outermost outer line of the overlapped area to fill the space and blocking the block.

The manufacturing of the set lingual correction unit may include manufacturing a support bracket and a calibration wire of the set lingual correction unit; It characterized in that it comprises a step of manufacturing a jig which is a support frame for fixing the set support bracket in the correct position of the tooth.

The orthodontic device according to the present invention doubles the advantages of the lingual orthodontic device and the transparent orthodontic device by providing the lingual orthodontic unit provides an expansion force to the teeth needing correction, and the transparent orthodontic unit limits the expansion force by the lingual orthodontic unit to an accurate range. This results in an excellent effect that shortens the calibration period and dramatically increases the calibration effect.

1 is a conceptual diagram schematically showing a corrective principle according to a preferred embodiment of the present invention, Figure 2 schematically shows a dental orthodontic device according to a preferred embodiment of the present invention.

3 is a process diagram schematically illustrating a setting method of a lingual orthodontic unit of a dental orthodontic device according to a preferred embodiment of the present invention.

4 and 5 are process diagrams schematically showing a method of manufacturing a transparent orthodontic unit of a dental orthodontic device according to a preferred embodiment of the present invention.

6 schematically illustrates predictive tooth behavior according to a lingual orthodontic device according to a preferred embodiment of the present invention.

7 and 8 schematically illustrate a block out process for generating unit calibration data according to a preferred embodiment of the present invention.

The orthodontic device according to the present invention includes a lingual orthodontic unit 10 formed on an inner surface of a tooth and a transparent orthodontic unit 20 worn on a tooth on which the lingual orthodontic unit is mounted, and the lingual orthodontic unit 10 and a transparent orthodontic unit ( It may be configured to include a braces design unit 30 to determine the simultaneous wearing of 20) to design the braces.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the orthodontic device according to the present invention includes a lingual orthodontic unit 10 formed on an inner surface of a tooth, a transparent orthodontic unit 20 and a lingual orthodontic unit worn on a tooth on which the lingual orthodontic unit is mounted. It may be configured to include a calibrator design unit 30 to determine the simultaneous wearing of the 10 and the transparent calibration unit 20 to design the braces.

In the dental orthodontic device according to the present invention, the lingual orthodontic device and the transparent orthodontic device are used as a hybrid, by combining the expansion force of the lingual orthodontic device and the rotational force by the blocking of the transparent orthodontic device to maximize the orthodontic force and shorten the orthodontic period.

More specifically, the lingual correction unit 10 which serves as a lingual correction device includes a correction wire 120 connecting the support bracket 110 and the upper support bracket 110 formed on the inner surface of the teeth need correction. And a straightening wire connected between the support brackets to provide a force to expand the tooth.

The transparent orthodontic unit 20 serving as a transparent orthodontic device is manufactured based on the unit orthodontic data generated by superimposing current orthodontic teeth and orthodontic tooth state data generated by rearranging the orthodontic teeth, and the lingual orthodontic unit and It is mounted on the teeth together.

Since the transparent orthodontic unit 20 is manufactured by overlapping the current dental state data and the corrected dental state data, the transparent orthodontic unit 20 guides the correction by setting a boundary of a space in which the tooth can rotate while the current tooth is expanded.

Therefore, the expansion force of the tooth generated from the lingual correction unit is provided to guide the rotational force to the tooth by the blocking of the transparent correction unit so as not to over-extend.

The lingual orthodontic device can provide expansion force to the teeth, but there is a problem in that it is impossible to precisely control the rotational force and the extent of expansion of the tooth, and the transparent orthodontic device provides the correction effect by the force of insertion method to the tooth in mm. Too many stages of the transparent braces due to the fine movement, there is a problem that the correction period is extended, but the orthodontic device according to the present invention solves the disadvantages of the lingual orthodontic device and the transparent orthodontic device as described above, to maximize the advantages It is possible to have a significant orthodontic effect and shorten the period of orthodontic treatment.

Depending on the patient's dental condition, expansion and rotational force may be required at the same time, but when lingual discomfort is difficult to provide both expansion and rotational force simultaneously, or when too much of the expansion or rotational force is required, the lingual and transparent correction devices cannot be worn simultaneously. There is a case.

In this case, excessive force is applied to the teeth when the lingual orthodontic device and the transparent orthodontic device are worn at the same time, which may cause side effects such as nerve damage.

Therefore, the correction management unit 30 plays a role of determining and guiding whether or not the lingual correction device and the transparent correction device can be worn at the same time according to the dental condition of the patient.

More specifically, the lingual orthodontic device is generally worn until the correction is completed because the brace can adjust the strength of the wire while adjusting the strength of the wire, but the transparent orthodontic device is a plurality of steps to gradually move the teeth And a plurality of transparent straightening devices are sequentially worn.

The braces design unit 30 predicts a behavior range including an extension range and a rotation range of teeth necessary for correction according to wearing of the lingual orthodontic device based on the dental condition of the patient, and whether the behavior range is within a preset possible range. If it is determined that the behavior range is within the allowable range, the lingual orthodontic device and the transparent correction device are designed to be worn at the same time, and if the behavior range is the allowable range or more, the lingual orthodontic device is worn first, and then the range of the future behavior is corrected. If the range of motion is within the possible range, the lingual and transparent correction devices are designed to be worn at the same time.

Hereinafter, a manufacturing method of a dental orthodontic device according to a preferred embodiment of the present invention will be described.

Referring to FIG. 3, first, 3D scanning of dental data of a patient in need of correction is performed to obtain digital dental data STL 1 of a current state of a patient.

More specifically, the impression of the patient's teeth is acquired (FIG. 3A), and a gypsum model is produced based on this (FIG. 3B), the manufactured gypsum model is 3D scanned (FIG. 3C), and the digital dental data ( STL 1) is obtained (FIG. 3D).

Here, the 3D scanned digital tooth data is removed by unnecessary area and preprocessed through digital processing to obtain digital tooth data STL 1.

In addition, digital teeth data STL 1 may be acquired by scanning and preprocessing a patient's teeth with a 3D scanner without having to acquire an impression and a plaster model.

Then, the digital lingual correction unit is set in the patient's digital tooth data (STL 1) based on the teeth in need of correction (FIG. 3E).

More specifically, the digital lingual orthodontic unit setting determines the position and direction of the bracket to be fixed to the tooth to be corrected on the basis of the arch line ideal for the digital tooth data (STL 1), and the calibration wire in the through hole of the bracket. Match the arch lines with to complete the digital lingual correction unit setting.

Then, the basic lingual correction data STL 2 is generated from the digital dental data set by the digital lingual correction unit, and a jig is manufactured.

The set digital lingual correction unit includes a bracket attached to the inner surface of the tooth and a correction wire connecting the bracket, and to produce a lingual correction unit based on the set digital lingual correction unit. Here, the manufacturing process of the lingual correction unit is the same as the manufacturing method of a conventional lingual correction device and a part deviating from the core of the present invention, a detailed description thereof will be omitted.

Separately, a zig is manufactured based on the basic lingual correction data STL 2.

Here, the jig may be configured to be formed only in the tooth region in which the lingual correction unit is included in a configuration that serves as a supporting frame for fixing the lingual correction unit to the correct position of the lingual correction unit.

The jig 3D prints the basic lingual correction data STL 2 to generate a first tooth mold (FIG. 3g), and then fills the resin between the teeth of the tooth mold (FIG. 3H). The transparent synthetic resin plate was thermally pressurized to the thermoforming machine in one tooth mold to generate a transparent jig bone (FIG. 3i), and then a jig was manufactured by removing a tooth region that does not need correction among the transparent jig bones (FIG. 3j).

The jig is configured to serve as a support frame for inserting the support bracket to fix the support bracket in the correct position of the tooth.

First, the patient's basic lingual correction data (STL 2) is extracted.

The braces design unit 30 then predicts the tooth behavior according to the basic lingual correction data STL 2 and determines whether to wear it at the same time as the transparent orthodontic device.

More specifically, in order to wear the lingual orthodontic device and the transparent orthodontic device at the same time, the space necessary for the expansion and rotation of the tooth should be secured. Can be.

Accordingly, the braces design unit 30 generates a tooth behavior prediction model based on the basic lingual correction data (STL 2), and according to the tooth behavior prediction model, the behavior range required for the expansion and rotation of the teeth for the ideal tooth arrangement according to the tooth behavior prediction model. It calculates and determines whether the said behavior range is within the set possible range.

Here, the possible range may be set to the maximum range that may not overwhelm the tooth, including the extension range and the rotation range of the tooth, may be set based on the tooth behavior up to the ideal tooth arrangement.

For example, if the settable range is set to 0.5mm extension range and 0.3mm rotation range, if the predicted behavior range is 0.8mm extension range and 0.2mm rotation range, the rotation range is within the possible range but extension range is possible. Since it is beyond the range, it is impossible to simultaneously wear the lingual brace and the transparent brace.

Therefore, the correction device wearing plan calculation unit 30 is to wear only the lingual correction device so that when the extended range of the behavior range is corrected within the set range of the set possible range so that the behavior range is corrected within the possible range to simultaneously wear the transparent straightening device Design.

A transparent calibration unit is produced when the range of behavior is calibrated within the possible range by calibration of the lingual calibration device as described above.

More specifically, the current lingual correction data STL 2_C and the transparent correction data STL 3 are superimposed to generate the unit correction data STL 4.

Here, the current lingual correction data (STL 2_C) refers to digital data extracted after wearing only the lingual correction unit for a set period of time because the behavior range is greater than or equal to the allowable range. Calibration data (STL 2) is applied.

More specifically, first, the tooth behavior according to the lingual correction unit is guided by rearranging the teeth to be corrected to expand, move and rotate in consideration of the corrective force of the digital lingual correction unit from the patient's current lingual correction data (STL 2_C). To generate transparent calibration data (STL 3).

Guide the arch line as the reference of the digital lingual correction unit and the arch line as the reference for the rearrangement and constrain the space required for the tooth to rotate or move based on the movement behavior of the tooth through the digital lingual correction unit. To generate transparent calibration data (STL 3).

In general, a transparent orthodontic device is applied to a tooth and excessively large tooth movements can overwhelm the teeth as a result of a tooth restraint effect due to a forced restraint force. Limited to units or less.

Therefore, in order to correct the teeth with the finally corrected tooth data, a large number of stage-specific correction data are required, so that the period of correction is too long when the irregularities and malocclusions of the dentition are severe.

However, the present invention uses the lingual orthodontic device and the transparent orthodontic device as a hybrid, and since the transparent orthodontic unit plays a role of guiding the range of orthodontic force of the lingual orthodontic device, the tooth movement does not need to be greatly limited, Transparent correction data (STL 3) generated by rearranging teeth as much as necessary to secure a space for tooth rotation, movement, and expansion according to orthodontic force is generated.

The present invention can significantly shorten the calibration period since two or more steps of digital calibration data can be adopted as compared with the steps of a general transparent calibration device.

Here, the digital calibration data may be generated based on the lingual orthodontic unit irrespective of the calibration data for each step, but the transparent orthodontic device is entirely worn in consideration of the fact that the shape of the target orthodontic tooth is large or small regardless of the orthodontic device. When one calibration data of a plurality of calibration data consisting of a plurality of steps from the first calibration data generated to the final calibration data is selected, the transparent calibration data STL 3 may be generated.

In this case, when considering the corrective force of the lingual correction unit, it is preferable that the digital correction data of three to five stages is selected based on the current digital dental data.

Subsequently, when the transparent calibration data STL 3 is generated as described above, the lingual calibration data STL 2 and the transparent calibration data STL 3 are superimposed to generate unit calibration data STL 4.

7 and 7 schematically illustrate a block out process for generating unit calibration data according to a preferred embodiment of the present invention.

More specifically, the lingual correction data (STL 2) is the lingual correction unit is set on the inner surface of the teeth and the contour of the dentition is the same as the digital dental data (STL 1) of the current state of the patient, the lingual correction data (STL) When 2) and the transparent rearrangement data (STL 3) having rearranged teeth overlap, an area where the teeth overlap with the dentition of the portion where the teeth need to be corrected is formed.

The unit calibration data STL 4 may be obtained by performing a block-out process of filling and expanding the space with the outermost contour line protruding to the inside or the outside of the tooth in the overlapped area.

The block-out means ignoring regions overlapping inside of the overlapped regions as shown in FIG. 7 and extracting only the outermost outline lines to fill the space to block the expanded form.

Here, since the tooth movement is impossible when the upper portion of the tooth has a curved shape, the upper portion of the tooth is connected and filled with lines before and after correction as shown in FIG. 8, and block-out is performed.

The unit correction data (STL 4) generated as described above is based on the current tooth protruding into the inner side of the tooth, and the outer side of the tooth acts as a deadline of the tooth to move to the corrected side. According to the tooth movement space, a range of unit calibration data ST 4 may be obtained.

Here, the setting of the lingual correction unit, generation of lingual correction data (STL 2) and transparent correction data (STL 3) and unit correction data (ST 4) are generated through a calibration data generation program that performs 3D modeling and digital processing. Can be.

More specifically, the calibration data generation program performs preprocessing to remove unnecessary areas of the 3D scanned patient's dental data and to simplify the data into meaningful data through digital processing, thereby obtaining digital dental data (STL 1). A lingual correcting program module for setting lingual correcting data STL 2 by setting a program module, a digital lingual correcting unit in the digital tooth data STL 1, and a tooth of the lingual correcting unit of the lingual correcting data STL 2. A transparent calibration program module for obtaining transparent calibration data (STL 3) for limiting tooth movement range for restraining and guiding tooth movement based on movement behavior, the lingual correction data (STL 2) and transparent correction data (STL 3) A unit calibration program module for obtaining unit calibration data (STL 4) by superimposing and block-out It can be configured.

When the unit correction data (STL 4) is generated as described above, the dental mold is manufactured by 3D printing based on the unit correction data (STL 4).

In this case, the resin may be injected into the surface of the second tooth mold in order to obtain a precise transparent correction unit, and thus, the process may further include removing and blocking the tooth surface or the gaps and voids between the teeth (FIG. 4D).

Subsequently, a transparent correction unit is manufactured by thermally pressing a plate-shaped transparent synthetic resin onto a thermoforming machine to the second tooth mold (FIG. 4E), and the surface of the prepared transparent correction unit is cut and polished to obtain a transparent treatment. The calibration unit is manufactured (FIG. 4F).

Here, in the manufacturing of the transparent calibration unit, a plurality of transparent calibration units having different thicknesses of the transparent synthetic resin may be manufactured for the same step, so that the transparent calibration unit may be set to be worn sequentially from the thinnest transparent calibration unit to the thickest transparent calibration unit.

For example, if three transparent orthodontic units with different thicknesses are manufactured, the thinnest transparent orthodontic unit will be worn first, providing a period of time for the tooth to acclimatize, and the next thick transparent orthodontic unit will enhance the orthodontic force, Finally, the thickest transparent calibration unit can be worn to complete the corrective force for that step.

When the transparent orthodontic unit is manufactured as described above and all the orthodontic devices are manufactured, the support bracket of the lingual orthodontic unit manufactured is first inserted into the jig, and the jig in which the support bracket is inserted is worn on the tooth so that the support bracket is positioned at the correct position. The support bracket is fixed to the inner side of the tooth by aligning the position to attach.

Here, since the adhesive bond is applied to the surface where the inner surface of the support bracket is in contact with the tooth, the support bracket can be fixed at the correct position by simply wearing a jig. If the jig is removed while the adhesive bond is cured, only the support bracket can be fixed. It remains fixed on the inner surface of the tooth.

In this state, the orthodontic wire is mounted through the through hole of the support bracket so that the lingual orthodontic unit is attached to the tooth to provide orthodontic force to the tooth.

Subsequently, when the prepared transparent orthodontic unit is worn on the tooth to which the lingual orthodontic unit is attached, the wearing of the orthodontic device according to the present invention is completed.

When the teeth orthodontic device is worn as described above, the teeth are corrected while the teeth are moved by the orthodontic force by the lingual orthodontic unit, and the transparent orthodontic unit blocks the excessive extension of the orthodontic force when the tooth is expanded, thereby blocking the orthodontic effect. You can double.

When the wearing of the orthodontic device as described above is finished, the process of manufacturing and wearing the orthodontic device of the second step by repeating the orthodontic device manufacturing method according to the present invention is repeated until the tooth reaches the final orthodontic state Calibration can be completed.

Although the detailed description of the present invention described above has been described with reference to the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiment, and those skilled in the art will appreciate It will be understood that various modifications and changes can be made in the present invention without departing from the spirit and scope of the invention.

The present invention relates to a dental orthodontic device and a method for manufacturing the same. More particularly, by using a lingual orthodontic device using a support bracket and a transparent orthodontic device worn on the teeth as a hybrid to shorten the period of correction, to obtain an optimal correction effect It is a very useful invention for the orthodontic device industry.

Claims

A orthodontic device for straightening teeth by combining a lingual orthodontic device and a transparent orthodontic device with a hybrid;

A lingual correction unit fixed to an inner side of a tooth of the patient;

A transparent orthodontic unit which is worn on the tooth on which the lingual orthodontic unit is mounted and manufactured based on the unit orthodontic data generated to guide the tooth movement range according to the orthodontic force of the lingual orthodontic unit;

And a braces designing unit for designing a braces by determining whether the lingual orthodontic unit and the transparent orthodontic unit are worn at the same time.
The method of claim 1,

The lingual correction unit

The lingual correction data (STL 2) is obtained by setting a digital lingual correction unit in the patient's digital dental data (STL 1) through a transparent calibration data generation program.

Manufacturing a jig by manufacturing a dental mold for the lingual correction data (STL 2), and cutting a region that does not require dental correction in a transparent jig bone manufactured by thermally pressing a transparent synthetic resin onto the dental mold;

Generate and manufacture a lingual correction unit according to the set digital lingual correction unit;

And inserting the support bracket of the lingual correction unit into the jig and wearing the jig on the tooth.
The method of claim 1,

The calibrator design unit

Predict the behavior range including the extended range and the rotation range of the teeth required for the correction according to the wearing of the lingual correction unit on the basis of the patient's teeth state, and determines whether the behavior range is within a preset possible range, and the behavior range Is within the allowable range, the lingual correction device and the transparent correction unit are determined to be worn at the same time.If the behavior range is more than the allowable range, the lingual correction unit is worn first to determine whether the behavior range is corrected within the possible range. The dental orthodontic device characterized in that if the behavior range is within the possible range to determine to wear the lingual correction unit and the transparent correction unit at the same time.
The method of claim 1,

The transparent calibration unit

By setting the digital lingual correction unit in the patient's digital teeth data (STL 1) through the transparent calibration data generation program to obtain lingual correction data (STL 2) or current lingual correction data (STL 2_C), and according to the lingual correction unit Acquire transparent correction data (STL 3) for guiding tooth behavior, and superimpose the lingual correction data (STL 2) or the current lingual correction data (STL 2_C) and the transparent correction data (STL 3) to make unit correction data (STL). 4) is acquired;

Preparing a tooth mold for the unit calibration data (STL 4);

Dental orthodontic apparatus characterized in that the manufacturing by heat pressing the transparent synthetic resin on the tooth mold.
The method of claim 4, wherein

The transparent calibration data generation program

Superimposing the lingual calibration data STL 2 or the current lingual calibration data STL 2_C and the transparent calibration data STL 3 to obtain unit calibration data STL 4;

Block-Out that fills and blocks the outermost outer line among the overlapping areas of the lingual correction data STL 2 or the current lingual correction data STL 2_C and the transparent correction data STL 3. And orthodontic treatment to obtain unit correction data (STL 4).
12. A method for manufacturing a orthodontic device comprising a hybrid of a lingual orthodontic device and a transparent orthodontic device to straighten a tooth;

Setting the lingual corrective unit in the patient's digital dental data;

Manufacturing the set lingual correction unit;

Predicting tooth behavior according to the set lingual correction unit to determine whether simultaneous wearing of the transparent correction unit is possible;

Manufacturing a transparent orthodontic unit based on the unit calibration data generated to guide the tooth movement range according to the orthodontic force of the set lingual orthodontic unit when the transparent orthodontic unit can be worn at the same time. Device manufacturing method.
The method of claim 6,

Setting the lingual correction unit

Acquiring scanned 3D digital dental data (STL 1) for the patient's current dental condition;

The position and direction of the support brackets are adjusted based on a virtual arch line to be connected to the teeth that need to be corrected among the digital teeth data STL 1 by placing them on the inner side of the teeth of the digital teeth data STL 1 A method for manufacturing a dental orthodontic device characterized in that the setting of the lingual correction unit to obtain lingual correction data (STL 2).
The method of claim 6,

Determining whether the transparent correction unit can be worn at the same time

The brace design unit predicts a behavior range including the extension range and the rotation range of the teeth required for correction according to the wearing of the lingual correction unit based on the patient's dental condition, and determines whether the behavior range is within a preset possible range. If the behavior range is within the possible range, it is decided to simultaneously wear the lingual correction device and the transparent correction unit,

If the behavior range is above the allowable range, wear the lingual correction unit first and then check whether the behavior range is corrected within the allowable range afterwards, and if the behavior range is within the allowable range, simultaneously wear the lingual correction unit and the transparent correction unit. Method for producing a orthodontic device characterized in that for determining.
The method of claim 8,

When the behavior range is more than the possible range

After wearing the lingual correction unit for a set period of time, obtain the corrected current lingual correction data (STL 2_C), and predict the tooth behavior therefrom, and repeat the wearing and prediction of the lingual correction unit if the behavior range is more than the possible range,

And when the behavior range is within a possible range, determining to simultaneously wear the lingual correction unit and the transparent correction unit.
The method of claim 6,

Manufacturing the transparent calibration unit

Rearrange teeth as much as necessary to secure space for tooth rotation, movement, and expansion according to the corrective force of the lingual correction unit set in the lingual correction data (STL 2) or the current lingual correction data (STL 2_C). Generating 3);

Unit calibration data secured a space for rotation, movement and expansion of the tooth while accommodating the current tooth by overlapping the lingual correction data (STL 2) or the current lingual correction data (STL 2_C) and the transparent correction data (STL 3). Generating (STL 4);

3D printing the unit correction data (STL 4) to produce a tooth mold, and a step of manufacturing a transparent correction unit by thermally pressing a transparent synthetic resin on the tooth mold.
The method of claim 10,

Generating the unit calibration data (STL 4)

In the overlapping region of the lingual calibration data STL 2 and the transparent calibration data STL 3, the space is extended to the outermost outline line of the overlapping region of the lingual calibration data STL 2 and the transparent calibration data STL 3. A method for manufacturing a dental orthodontic device, characterized in that the unit correction data (STL 4) is obtained by overlapping with a block-out process of filling and blocking.
The method of claim 6,

The manufacturing of the set lingual correction unit is

Manufacturing a support bracket and a calibration wire of the set lingual calibration unit;

And manufacturing a jig, which is a support frame for fixing the set support bracket to the correct position of the tooth.