CN113499153A

CN113499153A - Rapid alignment method adopting transparent orthodontic mold

Info

Publication number: CN113499153A
Application number: CN202110644174.1A
Authority: CN
Inventors: 张栋梁; 常浩
Original assignee: Beijing Digital Hehe Technology Co ltd
Current assignee: Beijing Digital Hehe Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-10-15
Anticipated expiration: 2041-06-09
Also published as: CN113499153B

Abstract

The invention discloses a rapid alignment method adopting transparent orthodontic molds, which comprises the following steps: scanning by using a three-dimensional scanner to obtain the data of the current tooth model to be corrected; adopting computer simulation software to carry out simulation correction on the current tooth model data to be corrected obtained in the last step to obtain corrected tooth model data; printing by a 3D printer according to the corrected tooth model data obtained in the last step to generate a tooth resin model; adopting the tooth resin model obtained in the last step, and manufacturing a transparent tooth appliance by using a film press; and wearing the transparent dental appliance obtained in the last step for a preset time. The effect is as follows: compared with the traditional correction method, the comfort level in the correction process is obviously enhanced, the tooth aligning effect can be seen earlier, the clinical slicing requirement is greatly reduced, the customization of the personalized moving mode is realized, the teeth have sufficient time for bone reconstruction, and the damage of orthodontics to the teeth is greatly reduced.

Description

Rapid alignment method adopting transparent orthodontic mold

Technical Field

The invention relates to the technical field of tooth beautifying and correcting devices, in particular to a rapid aligning method adopting a transparent tooth correcting die.

Background

The current invisible orthodontic tooth moving sequence is 7, 6, 5, 4, 3, 2 and 1; tooth No. 7 is in place firstly, then tooth No. 6 is moved till being aligned in sequence, and the defects are mainly as follows:

1. the anterior teeth can not see changes within one or two years of the beginning of orthodontics;

2. the orthodontic treatment is the integral linkage of teeth, muscles and bones, the change of a patient can be observed only after the first orthodontic treatment is finished in the current moving mode, and then the orthodontic treatment is adjusted for a long time period;

3. the anchorage is unreasonable in design and is easy to cause tooth movement opposite to the set tooth movement;

4. a large amount of unnecessary slicing is needed for the anterior teeth;

5. a customized mobile mode without personalized design aiming at specific cases;

6. the continuous movement of the individual teeth can cause tooth root resorption and inadequate bone remodeling time, causing irreversible damage to the teeth by orthodontics.

Disclosure of Invention

Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art by providing a rapid alignment method using transparent orthodontic molds.

In order to achieve the above purpose, the invention provides the following technical scheme:

according to a first aspect of the present invention, a method for rapid alignment using transparent orthodontic molds comprises the steps of:

s100, scanning by using a three-dimensional scanner to obtain tooth model data to be corrected currently;

s200, carrying out simulation correction on the current tooth model data to be corrected obtained in the step S100 by adopting computer simulation software to obtain corrected tooth model data;

step S300, printing the corrected tooth model data obtained in the step S200 by a 3D printer to generate a tooth resin model;

step S400, adopting the tooth resin model obtained in the step S300, and manufacturing a transparent tooth appliance by using a film press;

step S500, wearing the transparent dental appliance obtained in the step S400 for a preset time;

and step S600, returning to repeatedly execute the steps S100 to S500.

Further, the preset time in step S500 is 7 days to 14 days.

Further, the transparent dental appliance obtained in step S400 is subjected to edge trimming and grinding.

Further, the trimmed and ground transparent dental appliance is mounted on the dental resin model obtained in step S300 to check the edge uniformity and the fitting degree.

Further, the teeth are numbered from 1 to 7 according to the principle of symmetry, and the sequence of moving the teeth from the initial state to the ideal state is designed by using simulation software according to the cyclic mode of 7, 6, 5, 4, 73, 62, 51 and 4.

Further, the tooth pushing and grinding amount is designed to be 2.5mm, and the following moving modes are adopted:

firstly, moving the No. 7 tooth of each quadrant to the far middle 0.25mm, keeping other teeth still,

secondly, moving the No. 6 tooth to 0.25mm far from the center, keeping other teeth still,

thirdly, moving the No. 5 tooth to 0.25mm far from the center, keeping other teeth still,

fourthly, moving the No. 4 tooth to 0.25mm far away from the center, keeping other teeth still,

fifth, moving the No. 7 tooth and the No. 3 tooth to 0.25mm far away from the center, keeping the other teeth still,

sixthly, moving the No. 6 tooth and the No. 2 tooth to the far middle by 0.25mm, keeping other teeth still,

seventh step, move tooth No. 5 and tooth No. 1 to 0.25mm far away, the other teeth are not moved,

eighth, moving the No. 4 tooth to 0.25mm far away from the center, keeping the other teeth still,

ninth, moving the No. 7 tooth and the No. 3 tooth to 0.25mm far away and the other teeth are not moved,

and step ten, circularly executing the processes from the step six to the step eight.

Further, the operations of step S100 to step S500 are performed at each step in the tooth movement alignment process.

Further, the tooth movement alignment process is performed for 40 steps or more in total.

Further, before step S400 is performed, the surface molding state of the dental resin model obtained in step S300 is checked.

Further, the current tooth model data to be corrected obtained by scanning in step S100 and the corrected tooth model data obtained by scanning in step S200 are stored.

The invention has the following advantages: according to the rapid alignment method adopting the transparent tooth straightening die, compared with the traditional straightening method, the comfort level in the straightening process is obviously enhanced through the continuous mode of correcting the teeth before straightening and manufacturing the transparent tooth straightener, the tooth alignment effect can be seen earlier, the requirement of clinical slicing is greatly reduced, the customization of a personalized moving mode is realized, the teeth have sufficient time to reconstruct bones, and the damage of orthodontics to the teeth is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a flow chart of a method for rapid alignment using a transparent orthodontic mold according to some embodiments of the invention.

Fig. 2 is a graph comparing step 10 with a drive alignment method using a rapid alignment method using transparent orthodontic molds according to some embodiments of the present invention.

Fig. 3 is a comparison of step 20 and a drive alignment method performed using a rapid alignment method using transparent orthodontic molds according to some embodiments of the present invention.

Fig. 4 is a comparison of step 30 and a drive alignment method performed using a rapid alignment method using transparent orthodontic molds according to some embodiments of the present invention.

Fig. 5 is a comparison of step 40 and the drive alignment method performed using the rapid alignment method using the transparent orthodontic molds according to some embodiments of the present invention.

Fig. 6 is a comparison of a rapid alignment procedure using transparent orthodontic molds according to some embodiments of the present invention performed at step 50 and a drive alignment procedure.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In an embodiment of the first aspect of the present invention, as shown in fig. 1, a method for rapid alignment using a transparent orthodontic mold includes the steps of: s100, scanning by using a three-dimensional scanner to obtain tooth model data to be corrected currently; s200, carrying out simulation correction on the current tooth model data to be corrected obtained in the step S100 by adopting computer simulation software to obtain corrected tooth model data; step S300, printing the corrected tooth model data obtained in the step S200 by a 3D printer to generate a tooth resin model; step S400, adopting the tooth resin model obtained in the step S300, and manufacturing a transparent tooth appliance by using a film press; step S500, wearing the transparent dental appliance obtained in the step S400 for a preset time; and step S600, returning to repeatedly execute the steps S100 to S500.

In the above embodiment, it should be noted that, in step S100, data scanning is performed by using an instrument capable of scanning the teeth before straightening, and during operation, the transparent dental appliance is processed according to the above steps for aligning different teeth, so that the straightening effect is gradually achieved by wearing the transparent dental appliance for a preset time.

The technical effects achieved by the above embodiment are as follows: through the rapid alignment method adopting the transparent tooth straightening die in the embodiment, the teeth before straightening are continuously corrected and the transparent tooth straightener is manufactured, compared with the traditional straightening method, the comfort level in the straightening process is obviously enhanced, the tooth alignment effect can be seen earlier, the clinical slicing requirement is greatly reduced, the customization of the personalized moving mode is realized, the teeth have sufficient time to reconstruct bones, and the damage to the teeth caused by orthodontics is greatly reduced.

Optionally, as shown in fig. 1, in some embodiments, the preset time in step S500 is 7 days to 14 days.

In the above alternative embodiment, it should be noted that, in addition, the wearing time of the transparent dental appliance can be individually set according to different people.

The beneficial effects of the above alternative embodiment are: by setting the wearing time for the preset time, the teeth are gradually corrected.

Optionally, as shown in fig. 1, in some embodiments, the transparent dental appliance obtained in step S400 is edge trimmed and ground.

In the alternative embodiment described above, it should be noted that the trimming and grinding is intended to deburr the edges of the transparent dental appliance.

The beneficial effects of the above alternative embodiment are: through trimming and polishing, the wearing comfort level of the transparent dental appliance is improved, and the damage to the gum of a human body is avoided.

Alternatively, as shown in fig. 1, in some embodiments, the trimmed and ground transparent dental appliance is mounted on the dental resin model obtained in step S300 to check the edge trim and the fitting degree.

In the above alternative embodiment, it is noted that the examination is performed by reinstalling the transparent dental appliances on the dental resin model for inspection.

The beneficial effects of the above alternative embodiment are: by checking the edge regularity and the degree of fitting of the transparent dental appliance and the dental resin model, the comfort of the wearer is ensured.

In addition, the specific process for manufacturing the transparent dental appliance includes the steps of: inspecting the printed resin model; filling the model with iron balls to prevent the later air pressure from damaging the shape of the model; sealing the bottom of the model by using an iron plate, and locking the iron ball; turning over the model sealed by the iron plate, and placing the model on a film pressing machine; placing the membrane; rotating the film frame to a working position; pressing a confirmation key to start heating; after heating, the cylinder falls down and starts positive pressure plasticity; pressing an air release key; taking down the dental model with the successful film covering; the iron plate is removed, and an iron ball is discharged; cutting the redundant part of the membrane; detaching the diaphragm; trimming the membrane; polishing the appliance; the appliance was placed on the model and the edges and fit were checked.

Optionally, as shown in fig. 1, in some embodiments, the teeth are aligned end-to-end according to the design of the practitioner to obtain an ideal tooth condition; teeth are numbered from 1 to 7 according to the principle of symmetry, and the sequence of tooth movement from the initial state to the ideal state is designed by simulation software according to a cyclic manner of 7, 6, 5, 4, 73, 62, 51, 4.

In the above alternative embodiments, it should be noted that the numbering here is the tooth numbering commonly used in the prior art.

The beneficial effects of the above alternative embodiment are: by the above described cyclic tooth alignment, the corrective comfort of the user is significantly enhanced.

Alternatively, as shown in fig. 2 to 6, in some embodiments, the designed molar amount is 2.5mm (the designed molar amount may be other values), and the following movement is adopted:

In the above alternative embodiment, it should be noted that, in the above manner, all the teeth are in place; the patient follows the medical advice to make a return visit regularly, and the change of the oral cavity and the soft tissue caused by the alignment of the teeth is observed beside the chair; as shown in fig. 2 to 6, which are graphs comparing the alignment change per 10 steps interval using the conventional method and the present method, the dark color in all the graphs represents the original tooth state and the white color represents the tooth state at the next step, the left side of fig. 2 to 6 is the alignment made by the conventional method and the right side is the alignment method of the present application; as shown in fig. 2, it is a graph of the comparison effect of step 10; as shown in fig. 3, it is a graph of the comparison effect of step 20; as shown in fig. 4, it is a graph of the comparison effect of step 30; as shown in fig. 5, it is a comparison effect chart of step 40; as shown in fig. 6, it is a comparison effect chart of step 50.

The beneficial effects of the above alternative embodiment are: by the aligning method in the steps, the wearing comfort of the user is obviously improved, and the damage to teeth and gum in the correcting process is greatly reduced.

Alternatively, as shown in fig. 1, in some embodiments, the operations of steps S100 to S500 are performed at each step in the tooth movement alignment process.

In the above optional embodiments, it should be noted that, in each step of the alignment method, the transparent dental appliance is processed according to the corrected tooth model data after the correction by the computer simulation, and in order to improve the processing efficiency, the corrected tooth resin model obtained in the whole pre-designed correction step may be printed and processed at one time, and then the serial numbers are used in order, so that the transparent dental appliance required in each step is printed at one time.

The beneficial effects of the above alternative embodiment are: through the execution of the steps, a gradual fine adjustment mode is adopted, and the optimal correction effect is achieved with the lowest damage.

Alternatively, as shown in fig. 2-6, in some embodiments, the tooth movement alignment process is performed a total of 40 steps or more, e.g., 40 steps, 50 steps, or even 100 steps.

In the above alternative embodiment, it should be noted that, in addition, the steps to be performed in the tooth moving alignment process may be individually set according to different individuals, or may be less than 40 steps, and the anterior teeth may be changed within 10 steps in the tooth moving alignment process by the rapid alignment method of the present application.

Alternatively, as shown in fig. 1, in some embodiments, the surface molding state of the dental resin model obtained in step S300 is checked before step S400 is performed.

In the above alternative embodiments, it should be noted that the inspection of the surface molding state of the dental resin model mainly refers to surface defects.

The beneficial effects of the above alternative embodiment are: by the above inspection, surface defects of the dental resin model generated in the process of machining are avoided, thereby avoiding the influence of the defects on the machining of the transparent dental appliance.

Optionally, as shown in fig. 1, in some embodiments, the current tooth model data to be corrected obtained by scanning in step S100 and the corrected tooth model data obtained by scanning in step S200 are stored.

In the above alternative embodiments, it should be noted that the data may be stored in a computer or a removable storage device.

The beneficial effects of the above alternative embodiment are: through storing the data, the visual contrast of the whole correction process is realized, and the pleasure of the patient is obviously improved.

Through the arrangement of the embodiment, the following technical problems are solved:

1. the front teeth (3-3) of the patient are changed from the beginning, and the aligning effect of the front teeth is seen earlier;

2. observing while making, observing the whole change brought to the patient by the treatment, and designing a scheme which is more fit with the patient according to the real-time reaction;

3. reasonable anchorage is designed, so that the teeth realize the pre-designed movement;

4. because the anterior teeth can change quickly, the clinical slicing requirements are greatly reduced;

5. personalized mobile sequence design, wherein different mobile modes are designed according to different cases;

6. the intermittent moving mode ensures that the teeth have sufficient time for bone reconstruction, thereby greatly reducing the damage of orthodontics to the teeth.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims

1. A method of rapid alignment using transparent orthodontic molds, comprising the steps of:

and step S600, returning to repeatedly execute the steps S100 to S500.

2. The method for rapid alignment using a transparent orthodontic mold as claimed in claim 1, wherein the predetermined time period in the step S500 is 7 to 14 days.

3. The method for rapid alignment using transparent orthodontic molds according to claim 1, wherein the transparent orthodontic appliance obtained in the step S400 is edge-trimmed and ground.

4. The method for rapid alignment using transparent orthodontic molds according to claim 3, wherein the transparent orthodontic appliances after trimming and grinding are installed on the resin dental model obtained in the step S300 to check the edge trim and the fitting degree.

5. The method for rapid alignment using a transparent orthodontic mold as claimed in claim 1, wherein the teeth are numbered 1 to 7 on the basis of the symmetry principle, and the order of the movement of the teeth from the initial state to the ideal state is designed using simulation software according to the circulation of 7, 6, 5, 4, 73, 62, 51, 4.

6. The method for rapid alignment using a transparent orthodontic mold as set forth in claim 5, wherein the molar amount is designed to be 2.5mm by moving:

7. The method for rapid alignment using a transparent orthodontic mold as claimed in claim 6, wherein the steps S100 to S500 are performed at each step during the tooth movement alignment.

8. The method for rapid alignment using a transparent orthodontic mold as claimed in claim 6, wherein the tooth movement alignment process is performed in 40 steps or more.

9. The method for rapid alignment using a transparent orthodontic mold as claimed in claim 1, wherein the surface molding state of the dental resin mold obtained in the step S300 is checked before the step S400 is performed.

10. The method for rapid alignment using transparent orthodontic molds as claimed in claim 1, wherein the current dental model data to be straightened obtained by scanning in step S100 and the corrected dental model data obtained by scanning in step S200 are stored.