WO2018101785A1 - 혼성 치아 교정 장치 및 그 제조 방법 - Google Patents
혼성 치아 교정 장치 및 그 제조 방법 Download PDFInfo
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- WO2018101785A1 WO2018101785A1 PCT/KR2017/013985 KR2017013985W WO2018101785A1 WO 2018101785 A1 WO2018101785 A1 WO 2018101785A1 KR 2017013985 W KR2017013985 W KR 2017013985W WO 2018101785 A1 WO2018101785 A1 WO 2018101785A1
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- lingual
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- transparent
- correction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0019—Production methods using three dimensional printing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/145—Lingual brackets
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/146—Positioning or placement of brackets; Tools therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/28—Securing arch wire to bracket
Definitions
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- the orthodontic device 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).
- 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).
- the orthodontic device manufacturing method 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.
- 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.
- FIG. 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.
- FIG. 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.
- FIGS. 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.
- FIG. 6 schematically illustrates predictive tooth behavior according to a lingual orthodontic device according to a preferred embodiment of the present invention.
- FIG. 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 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.
- FIG. 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.
- the orthodontic device 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.
- 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.
- 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.
- the transparent orthodontic unit 20 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.
- 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.
- 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.
- 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.
- 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.
- FIG. 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.
- 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.
- FIG. 3A 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).
- the 3D scanned digital tooth data is removed by unnecessary area and preprocessed through digital processing to obtain digital tooth data STL 1.
- 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.
- 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).
- 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.
- 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.
- 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.
- a zig is manufactured based on the basic lingual correction data STL 2.
- 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.
- FIGS. 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.
- 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.
- the space necessary for the expansion and rotation of the tooth should be secured. Can be.
- 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.
- 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.
- FIG. 6 schematically illustrates predictive tooth behavior according to a lingual orthodontic device according to a preferred embodiment of the present invention.
- the settable range is set to 0.5mm extension range and 0.3mm rotation range
- 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.
- 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.
- 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.
- 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.
- 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).
- 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.
- 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.
- Transparent correction data STL 3
- 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.
- 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.
- the transparent calibration data STL 3 may be generated.
- the digital correction data of three to five stages is selected based on the current digital dental data.
- 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.
- FIG. 7 and 7 schematically illustrate a block out process for generating unit calibration data according to a preferred embodiment of the present invention.
- 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.
- 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.
- 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.
- 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 unit calibration program module for obtaining unit calibration data (STL 4) by superimposing and block-out It can be configured.
- the dental mold is manufactured by 3D printing based on the unit correction data (STL 4).
- 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).
- 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).
- 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.
- 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.
- 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.
- 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.
- 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.
- the teeth orthodontic device 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.
- 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.
- 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.
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Abstract
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Claims (12)
- 설측 교정 장치와 투명 교정 장치를 하이브리드로 결합하여 치아를 교정하는 치아 교정 장치로서;환자의 치아 내측면에 고정되는 설측 교정 유닛과;상기 설측 교정 유닛이 장착된 치아 상에 착용되고, 상기 설측 교정 유닛의 교정력에 따른 치아 이동 범위를 가이드하도록 생성된 단위 교정 데이터를 기초로 제조된 투명 교정 유닛 및;상기 설측 교정 유닛과 투명 교정 유닛의 동시 착용 여부를 결정하여 교정기를 설계하는 교정기 설계 유닛을 포함하는 것을 특징으로 하는 치아 교정 장치.
- 제 1항에 있어서,상기 설측 교정 유닛은투명 교정 데이터 생성 프로그램을 통해 환자의 디지털 치아 데이터(STL 1)에 디지털 설측 교정 유닛을 세팅하여 설측 교정 데이터(STL 2)를 획득하고,상기 설측 교정 데이터(STL 2)대한 치아 금형을 제조하고, 상기 치아 금형에 투명 합성 수지를 열 가압하여 제조된 투명 지그 본에서 치아 교정이 필요없는 영역을 절단하여 지그를 제조하고;상기 세팅된 디지털 설측 교정 유닛에 따라 설측 교정 유닛을 생성하여 제조하고;상기 설측 교정 유닛의 지지 브라켓을 상기 지그에 삽입하고, 상기 지그를 치아에 착용함으로써 장착되는 것을 특징으로 하는 치아 교정 장치.
- 제 1항에 있어서,상기 교정기 설계 유닛은환자의 치아 상태를 기준으로 설측 교정 유닛 착용에 따른 교정에 필요한 치아의 확장 범위와 회전 범위를 포함하는 거동 범위를 예측하고, 상기 거동 범위가 기 설정된 가능 범위 이내인지 여부를 판단하고, 상기 거동 범위가 가능 범위 이내인 경우에는 설측 교정 장치와 투명 교정 유닛을 동시 착용하도록 결정하고, 상기 거동 범위가 가능 범위 이상인 경우에는 설측 교정 유닛을 먼저 착용하여 교정 후 추후 거동 범위가 가능 범위 이내로 교정되었는지 여부를 확인하여 거동 범위가 가능 범위 이내인 경우 설측 교정 유닛과 투명 교정 유닛을 동시 착용하도록 결정하는 것을 특징으로 하는 치아 교정 장치.
- 제 1항에 있어서,상기 투명 교정 유닛은투명 교정 데이터 생성 프로그램을 통해 환자의 디지털 치아 데이터(STL 1)에 디지털 설측 교정 유닛을 세팅하여 설측 교정 데이터(STL 2) 또는 현재의 설측 교정 데이터(STL 2_C)를 획득하고, 설측 교정 유닛에 따른 치아 거동을 가이드하는 투명 교정 데이터(STL 3)를 획득하고, 상기 설측 교정 데이터(STL 2) 또는 현재의 설측 교정 데이터(STL 2_C)와 투명 교정 데이터(STL 3)를 중첩시켜 단위 교정 데이터(STL 4)를 획득하고;상기 단위 교정 데이터(STL 4)에 대한 치아 금형을 제조하고;상기 치아 금형에 투명 합성 수지를 열 가압하여 제조된 것을 특징으로 하는 치아 교정 장치.
- 제 4항에 있어서,상기 투명 교정 데이터 생성 프로그램은상기 설측 교정 데이터(STL 2) 또는 현재의 설측 교정 데이터(STL 2_C)와 투명 교정 데이터(STL 3)를 중첩시켜 단위 교정 데이터(STL 4)를 획득하되;상기 설측 교정 데이터(STL 2) 또는 현재의 설측 교정 데이터(STL 2_C)와 투명 교정 데이터(STL 3)의 중첩 영역 중 최 외측의 외형라인으로 확장시켜 공간으로 채워서 블럭화하는 블럭-아웃(Block-Out) 처리로 중첩시켜 단위 교정 데이터(STL 4)를 획득하는 것을 특징으로 하는 치아 교정 장치.
- 설측 교정 장치와 투명 교정 장치를 하이브리드로 결합하여 치아를 교정하는 치아 교정 장치 제조 방법으로서;환자의 디지털 치아 데이터에 설측 교정 유닛을 세팅하는 단계와;상기 세팅된 설측 교정 유닛을 제조하는 단계와;상기 세팅된 설측 교정 유닛에 따른 치아 거동을 예측하여 투명 교정 유닛의 동시 착용 가능 여부를 결정하는 단계와:상기 투명 교정 유닛과 동시 착용이 가능한 경우 상기 세팅된 설측 교정 유닛의 교정력에 따른 치아 이동 범위를 가이드하도록 생성된 단위 교정 데이터를 기초로 투명 교정 유닛을 제조하는 단계를 포함하는 것을 특징으로 하는 치아 교정 장치 제조 방법.
- 제 6항에 있어서,상기 설측 교정 유닛을 세팅하는 단계는환자의 현재 치아 상태에 대한 스캔된 3D의 디지털 치아 데이터(STL 1)를 획득하는 단계와;상기 디지털 치아 데이터(STL 1) 중 교정이 필요한 치아에 교정 와이어로 연결될 가상의 아치선을 기준으로 지지 브라켓의 위치와 방향을 조절하여 상기 디지털 치아 데이터(STL 1)의 치아 내측면에 배치하여 디지털 설측 교정 유닛을 세팅하여 설측 교정 데이터(STL 2)를 획득하는 것을 특징으로 하는 치아 교정 장치 제조 방법.
- 제 6항에 있어서,상기 투명 교정 유닛의 동시 착용 가능 여부를 결정하는 단계는교정기 설계 유닛을 통해 환자의 치아 상태를 기준으로 설측 교정 유닛 착용에 따른 교정에 필요한 치아의 확장 범위와 회전 범위를 포함하는 거동 범위를 예측하고, 상기 거동 범위가 기 설정된 가능 범위 이내인지 여부를 판단하고, 상기 거동 범위가 가능 범위 이내인 경우에는 설측 교정 장치와 투명 교정 유닛을 동시 착용하도록 결정하고,상기 거동 범위가 가능 범위 이상인 경우에는 설측 교정 유닛을 먼저 착용하여 교정 후 추후 거동 범위가 가능 범위 이내로 교정되었는지 여부를 확인하여 거동 범위가 가능 범위 이내인 경우 설측 교정 유닛과 투명 교정 유닛을 동시 착용하도록 결정하는 것을 특징으로 하는 치아 교정 장치 제조 방법.
- 제 8항에 있어서,상기 상기 거동 범위가 가능 범위 이상인 경우설측 교정 유닛을 설정 기간 착용한 후 교정된 현재 설측 교정 데이터(STL 2_C)를 획득하고, 이로부터 치아 거동을 예측하여 상기 거동 범위가 가능 범위 이상인 경우에는 설측 교정 유닛 착용과 예측을 반복하고,상기 거동 범위가 가능 범위 이내인 경우에는 설측 교정 유닛과 투명 교정 유닛을 동시 착용하도록 결정하는 것을 특징으로 하는 치아 교정 장치 제조 방법.
- 제 6항에 있어서,상기 투명 교정 유닛을 제조하는 단계는상기 설측 교정 데이터(STL 2) 또는 현재 설측 교정 데이터(STL 2_C)에 세팅된 설측 교정 유닛의 교정력에 따른 치아 회전, 이동, 확장을 위한 공간 확보가 필요한 만큼 치아를 재배열하여 투명 교정 데이터(STL 3)를 생성하는 단계와;상기 설측 교정 데이터(STL 2) 또는 현재 설측 교정 데이터(STL 2_C)와 투명 교정 데이터(STL 3)를 중첩시켜 현재의 치아를 수용하면서 치아의 회전, 이동 , 확장이 가능한 공간이 확보된 단위 교정 데이터(STL 4)를 생성하는 단계와;상기 단위 교정 데이터(STL 4)를 3D 인쇄하여 치아 금형을 제조하고, 상기 치아 금형에 투명 합성 수지를 열 가압하여 투명 교정 유닛을 제조하는 단계를 포함하는 것을 특징으로 하는 치아 교정 장치 제조 방법.
- 제 10항에 있어서,상기 단위 교정 데이터(STL 4)를 생성하는 단계는상기 설측 교정 데이터(STL 2)와 투명 교정 데이터(STL 3)의 중첩 영역 중 상기 설측 교정 데이터(STL 2)와 투명 교정 데이터(STL 3)의 중첩 영역 중 최 외측의 외형라인으로 확장시켜 공간으로 채워서 블럭화하는 블럭-아웃(Block-Out) 처리로 중첩시켜 단위 교정 데이터(STL 4)를 획득하는 것을 특징으로 하는 치아 교정 장치 제조 방법.
- 제 6항에 있어서,상기 세팅된 설측 교정 유닛을 제조하는 단계는상기 세팅된 설측 교정 유닛의 지지 브라켓과 교정 와이어를 제조하는 단계와;상기 세팅된 지지 브라켓을 치아의 정확한 위치에 고정시키기 위한 지지틀인 지그를 제조하는 단계를 포함하는 것을 특징으로 하는 치아 교정 장치 제조 방법.
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