CN113499153B

CN113499153B - Quick alignment method adopting transparent orthodontic mold

Info

Publication number: CN113499153B
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: 2023-04-28
Anticipated expiration: 2041-06-09
Also published as: CN113499153A

Abstract

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

Description

Quick alignment method adopting transparent orthodontic mold

Technical Field

The invention relates to the technical field of tooth beauty correction devices, in particular to a rapid alignment method adopting a transparent tooth correction die.

Background

The existing invisible orthodontic tooth moving sequence is 7, 6, 5, 4, 3, 2 and 1; the tooth No. 7 is firstly in place, then the tooth No. 6 is moved, and the teeth are orderly aligned, and the defects are mainly that:

1. the anterior teeth cannot see changes within one or two years of the beginning of orthodontic treatment;

2. the orthodontic is the integral linkage of teeth, muscles and bones, and the current moving mode needs to observe the change of a patient after the first orthodontic is finished, and then the patient is adjusted for too long time period;

3. the anchorage design is unreasonable, so that tooth movement opposite to the setting is easy to cause;

4. a great number of unnecessary slicing is needed for the front teeth;

5. the fixed moving mode has no personalized design for specific cases;

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

Disclosure of Invention

Accordingly, the present invention provides a rapid alignment method using a transparent orthodontic mold to solve the above-mentioned problems in the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

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

step S100, scanning by adopting a three-dimensional scanner to obtain the tooth model data to be corrected currently;

step 200, performing simulation correction on the tooth model data to be corrected currently obtained in the step 100 by adopting computer simulation software to obtain corrected tooth model data;

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

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

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

step S600, repeatedly executing step S100 to step S500.

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

Further, the transparent dental appliance obtained in step S400 is edge trimmed and ground.

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

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

Further, the number of push molars was designed to be 2.5mm, using the following movements:

the first step, the tooth number 7 of each quadrant is moved far and middle by 0.25mm, other teeth are not moved,

secondly, moving the No. 6 teeth far and middle by 0.25mm, keeping other teeth motionless,

thirdly, moving the tooth number 5 to the far middle position by 0.25mm, keeping other teeth motionless,

fourth, moving the tooth number 4 to the far middle 0.25mm, the other teeth are motionless,

fifthly, moving the teeth No. 7 and No. 3 to the middle distance of 0.25mm, keeping other teeth motionless,

sixth, moving the teeth No. 6 and No. 2 to the middle distance of 0.25mm, the other teeth are motionless,

seventh, moving the tooth No. 5 and the tooth No. 1 to the middle distance of 0.25mm, keeping other teeth motionless,

eighth step, moving the tooth number 4 to the far middle 0.25mm, the other teeth are motionless,

ninth, moving the teeth No. 7 and No. 3 to the middle distance of 0.25mm, the other teeth are motionless,

and a tenth step of circularly executing the processes of the sixth step to the eighth step.

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

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

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

Further, the tooth model data to be corrected currently scanned in step S100 and the corrected tooth model data drawn in step S200 are stored.

The invention has the following advantages: by adopting the rapid alignment method of the transparent orthodontic mold, compared with the traditional orthodontic method, the comfort level of the orthodontic process is obviously enhanced, the tooth alignment effect can be seen earlier, the clinical slicing requirement is greatly reduced, the customization of the personalized movement mode is realized, the teeth have sufficient time to carry out bone reconstruction, and the harm of orthodontic 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 will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.

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

Fig. 2 is a diagram showing a rapid alignment method using a transparent orthodontic mold for performing the 10 th step and a driving alignment method according to some embodiments of the present invention.

Fig. 3 is a diagram showing a comparison of a 20 th step alignment method and a driving alignment method performed by using a rapid alignment method of a transparent orthodontic mold according to some embodiments of the present invention.

Fig. 4 is a diagram showing a rapid alignment method using a transparent orthodontic mold for performing the 30 th step and a driving alignment method according to some embodiments of the present invention.

Fig. 5 is a diagram showing a comparison of a method for performing step 40 and a method for driving alignment using a rapid alignment method for a transparent orthodontic mold according to some embodiments of the present invention.

Fig. 6 is a diagram showing a method of performing a step 50 and a driving alignment method using a rapid alignment method of a transparent orthodontic mold according to some embodiments of the present invention.

Detailed Description

Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1, a method for rapid alignment using a transparent orthodontic mold according to an embodiment of the first aspect of the present invention includes the steps of: step S100, scanning by adopting a three-dimensional scanner to obtain the tooth model data to be corrected currently; step 200, performing simulation correction on the tooth model data to be corrected currently obtained in the step 100 by adopting computer simulation software to obtain corrected tooth model data; step S300, printing by a 3D printer according to the corrected tooth model data obtained in the step S200 to generate a tooth resin model; step S400, adopting the dental resin model obtained in the step S300, and manufacturing a transparent dental appliance by using a film press; step S500, wearing the transparent dental appliance obtained in the step S400 for a preset time; step S600, repeatedly executing step S100 to step S500.

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

The technical effects achieved by the embodiment are as follows: by adopting the rapid alignment method of the transparent orthodontic mold, compared with the traditional orthodontic method, the comfort level of the orthodontic process is obviously enhanced, the tooth alignment effect can be seen earlier, the clinical slicing requirement is greatly reduced, the customization of the personalized movement mode is realized, the teeth have sufficient time to carry out bone reconstruction, and the harm of orthodontic to the teeth is greatly reduced.

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

In the above alternative embodiments, it should be noted that, in addition, the wearing time of the transparent dental appliance may be personalized according to different people's situations.

The beneficial effects of the above alternative embodiment are: by setting the wearing for a preset time, the gradual correction of teeth is realized.

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 embodiments described above, it should be noted that trimming and sanding is aimed at removing burrs from the edges of the transparent dental appliance.

The beneficial effects of the above alternative embodiment are: through pruning and polishing, the comfort level of wearing the transparent dental appliance is improved, and the damage to the gums 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 edge uniformity and fit.

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

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

In addition, the specific processing technology of the transparent dental appliance comprises the following steps: checking the printed resin model; filling the model with iron balls to prevent the air pressure at the back from damaging the shape of the model; an iron plate is used for sealing the bottom of the model, and an iron ball is locked; turning over the mold sealed by the iron plate and placing the mold on a film pressing machine; placing a membrane; rotating the film frame to a working position; pressing a confirmation key to start heating; after heating, the cylinder falls down to start positive pressure plasticity; pressing a deflation key; taking down the dental model with successful tectorial membrane; the iron plate is removed, and iron balls are discharged; cutting redundant parts of the membrane; removing the membrane; 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 terminally aligned according to the design of the practitioner, to obtain an ideal tooth state; the teeth are numbered 1 to 7 according to the symmetry principle, and the sequence of the teeth moving from the initial state to the ideal state is designed by adopting simulation software according to the circulation mode of 7, 6, 5, 4, 73, 62, 51 and 4.

In the above alternative embodiment, 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 cyclic tooth alignment, the user's corrective comfort is significantly enhanced.

Alternatively, as shown in fig. 2-6, in some embodiments, the design push molar amount is 2.5mm (the design push molar amount may also be other values), using the following movement:

In the alternative embodiment described above, it is noted that, in the manner described above, until all teeth are in place; the patient follows the doctor's advice to review regularly, the chair side observes the tooth alignment, the change of oral cavity and soft tissue brought; as shown in fig. 2 to 6, for comparison of alignment changes using the conventional method and the present method at 10 steps each interval, dark colors in all the figures represent the original tooth state, white colors represent the tooth state of the present step, the left side of fig. 2 to 6 is alignment made by the conventional method, and the right side is alignment method of the present application; as shown in fig. 2, the comparison effect diagram of step 10 is shown; as shown in fig. 3, the comparison effect diagram of the 20 th step is shown; as shown in fig. 4, the comparison effect diagram of step 30 is shown; FIG. 5 is a graph showing the comparison effect of step 40; as shown in FIG. 6, a comparison effect diagram of the 50 th step is shown.

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

Alternatively, as shown in fig. 1, in some embodiments, each step in the tooth movement alignment process performs the operations of steps S100 through S500.

In the above-mentioned alternative embodiment, it should be noted that, in each step of the alignment method, the transparent dental appliance is processed according to the corrected dental model data after the computer simulation correction, so that in order to improve the processing efficiency, the corrected dental resin model obtained in the whole pre-designed correction step may be printed and processed at one time, and then the use serial numbers are sequentially written, thereby realizing that the transparent dental appliance required in each link is printed at one time.

The beneficial effects of the above alternative embodiment are: by executing the steps, the optimal correction effect can be achieved with the lowest damage by adopting a gradual fine adjustment mode.

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

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

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

In the above alternative embodiment, it should be noted that checking the surface molding state of the dental resin model mainly refers to surface flaws.

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

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

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

The beneficial effects of the above alternative embodiment are: by storing the data, visual comparison of the whole correction process is realized, and the pleasure of a patient is remarkably 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 alignment effect of the front teeth is seen earlier;

2. observing the whole change of the patient caused by treatment while observing, and designing a scheme which is more fit with the current scheme according to real-time response;

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

4. because the front teeth can be changed quickly, the clinical slicing requirements are greatly reduced;

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

6. the intermittent movement mode enables the teeth to have sufficient time for bone reconstruction, and greatly reduces the damage of orthodontic to the teeth.

While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.

The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present invention, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present invention without substantial modification of the technical content.

Claims

1. A method of making a transparent dental appliance comprising the steps of:

numbering teeth according to a symmetry principle from 1 to 7, and designing the sequence of teeth moving from an initial state to an ideal state by adopting simulation software according to a circulation mode of 7, 6, 5, 4, 73, 62, 51 and 4;

the design pushes away the tooth volume and is 2.5mm, adopts following removal mode:

2. A method of making a transparent dental appliance according to claim 1, wherein the transparent dental appliance obtained in step S400 is edge trimmed and ground.

3. A method of manufacturing a transparent dental appliance according to claim 2, wherein the trimmed and ground transparent dental appliance is mounted on the dental resin model obtained in step S300 to check edge uniformity and fit.

4. The method of making a transparent dental appliance of claim 1, wherein the tooth movement alignment process is performed in a total of 40 steps or more.

5. The method of manufacturing a transparent dental appliance according to claim 1, wherein the surface molding state of the dental resin model obtained in step S300 is checked before the step S400 is performed.

6. The method of manufacturing a transparent dental appliance according to claim 1, wherein the data of the tooth model to be corrected currently scanned in step S100 and the corrected data of the tooth model scanned in step S200 are stored.