CN210872128U - Shell-shaped tooth appliance set and tooth appliance system - Google Patents

Abstract

The utility model provides a ware suit is rescued to shelly tooth and system is rescued to tooth has solved the not enough problem of present shelly tooth rescue ware expression rate. The shell-shaped dental appliance kit comprises a first shell-shaped dental appliance and a second shell-shaped dental appliance. The first shell-shaped tooth appliance and the second shell-shaped tooth appliance are worn on the same jaw at different time periods in the same appliance step; the first shell-shaped dental appliance and the second shell-shaped dental appliance are different in shape; the first shell-shaped dental appliance has a first designed movement amount for producing a first tooth movement amount that causes tooth movement; the second shell dental appliance has a second designed amount of movement that maintains at least the first amount of movement of the teeth produced by the first shell dental appliance.

Description

Shell-shaped tooth appliance set and tooth appliance system

Technical Field

The utility model belongs to the technical field of the tooth is rescued, more exactly say and relate to shell form tooth and rescue the ware, especially relate to a shell form tooth is rescued ware suit and tooth and is rescued system.

Background

A dental appliance is a device for treating malocclusions and may be referred to as an orthodontic appliance. The tooth appliance can generate acting force or functional acting force of the perioral muscles of masticatory muscles passes through the tooth appliance, so that deformed jaw bones, dislocated teeth and periodontal supporting tissues are changed, and normal growth and development of the dentognathic face are facilitated.

Conventional dental appliances are typically a highly resilient wire and bracket, or mechanical device in combination with a plastic base, worn intraorally or maxillofacial. However, the conventional appliance is troublesome to wear, causes discomfort in the oral cavity due to a strong foreign body sensation in the oral cavity, and is not beautiful.

With the development of the times, people have higher and higher requirements on the maintenance of the beauty, comfort, effectiveness, convenience, oral hygiene and the like of the orthodontic appliance, the traditional fixed orthodontic mode cannot meet the orthodontic requirements, and the bracket-free invisible orthodontic technology is developed. The bracket-free invisible correction technology is that a patient wears a series of transparent shell appliances to enable the teeth of the patient to move from an initial position to a target position.

In the existing tooth correcting schemes, one tooth corrector is used in each correcting step. However, the existing tooth appliance has the problem of insufficient correction force in the correction process, so that the correction steps are more, the correction period is prolonged, and the correction effect is not ideal. Particularly, for some specific case types, the invisible orthodontic effect is influenced by the serious insufficient expression rate of the current invisible orthodontic for tooth derotation and the root control axis.

SUMMERY OF THE UTILITY MODEL

The main objective of the utility model is to overcome the defects of the prior art, provide a shell-shaped tooth appliance suit and tooth appliance system, and solve the problem of insufficient expression rate of the existing shell-shaped tooth appliance.

The utility model provides a technical scheme as follows:

a set of shell-shaped dental appliances comprises a first shell-shaped dental appliance and a second shell-shaped dental appliance, wherein the first shell-shaped dental appliance comprises a plurality of first cavities for accommodating teeth, and the second shell-shaped dental appliance comprises a plurality of second cavities for accommodating teeth; the first shell-shaped tooth appliance and the second shell-shaped tooth appliance are worn on the same jaw at different time periods in the same appliance step; the first shell-shaped dental appliance and the second shell-shaped dental appliance are different in shape; the first shell-shaped dental appliance has a first designed movement amount for producing a first tooth movement amount that causes tooth movement; the second shell dental appliance has a second designed amount of movement that maintains at least the first amount of movement of the teeth produced by the first shell dental appliance.

In a preferred embodiment, the first designed amount of movement of the first shell dental appliance is greater than the second designed amount of movement of the second shell dental appliance.

In a preferred embodiment, the second designed amount of movement of the second shell dental appliance is within a threshold range of the designed amount of movement of the tooth in the step of appliance.

In a preferred embodiment, the second designed amount of movement of the second shell dental appliance is greater than or equal to the first amount of movement of the first tooth caused by the first shell dental appliance.

In preferred embodiments, the orthodontic force and/or moment applied to the teeth by the first shell dental appliance is greater than the orthodontic force and/or moment applied to the teeth by the second shell dental appliance.

In preferred embodiments, the first shell dental appliance has a thickness greater than the thickness of the second shell dental appliance.

In preferred embodiments, the modulus of elasticity of the first shell dental appliance material is greater than the modulus of elasticity of the second shell dental appliance material.

In preferred embodiments, the first and second shell dental appliances have different degrees of transparency and/or colors.

In a preferred embodiment, the first shell dental appliance and the second shell dental appliance have different markings for distinguishing the first shell dental appliance from the second shell dental appliance.

The utility model also provides a system is rescued to tooth, including a plurality of shell form tooth correction device suit, wherein, at least one is foretell shell form tooth correction device suit in the shell form tooth correction device suit.

Through the utility model provides a shell form tooth is rescued ware suit and tooth and is rescued system can bring following at least one beneficial effect:

firstly, two shell-shaped tooth appliances are designed in one shell-shaped tooth appliance set and are respectively used for generating a larger first tooth movement amount and maintaining the first tooth movement amount so as to improve the expression rate by the larger design movement amount in one treatment section of one treatment period, and simultaneously, the other treatment section is used for tooth movement amount maintenance and periodontal tissue reconstruction, so that the problem of insufficient expression rate of the existing shell-shaped tooth appliance is solved;

secondly, the total treatment time is shortened due to the improved expression rate of each treatment cycle;

thirdly, the transparency, the color or the mark for distinguishing the first shell-shaped tooth appliance from the second shell-shaped tooth appliance are designed, so that the orthodontic appliance is convenient to wear correctly;

fourth, use first shell form tooth to correct the ware and can strengthen correcting the power, accelerate to correct the speed, use the second shell form tooth to correct the ware and can make and correct the more comfortable of process, both cooperate and use, both can have better correction effect, have also guaranteed the comfort level of correcting the process simultaneously.

Drawings

The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

Fig. 1 is a schematic structural view of a shell-shaped dental appliance set with different thicknesses according to a second embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A, B-B of FIG. 1;

fig. 3 is a schematic structural view of a shell-shaped dental appliance set with different transparencies according to a fourth embodiment of the present invention;

fig. 4 is a schematic structural view of a shell-shaped dental appliance set with marks according to a seventh embodiment of the present invention;

fig. 5 is a schematic view of a dental correction system according to an eighth embodiment of the present invention;

fig. 6 is a schematic view of a tooth correction system according to a ninth embodiment of the present invention.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

The utility model provides a ware suit is rescued to shelly tooth can compensate the stealthy ware of rescuring that uses at present and rescues the problem that the expression rate is not enough, especially goes to twist reverse and the problem that the expression rate is not enough in the aspect of the positive axle of accuse root.

Specifically, the shell-shaped tooth appliance set provided by the utility model comprises a first shell-shaped tooth appliance and a second shell-shaped tooth appliance, wherein the first shell-shaped tooth appliance comprises a plurality of first cavities for accommodating teeth, and the second shell-shaped tooth appliance comprises a plurality of second cavities for accommodating teeth; the first shell-shaped tooth appliance and the second shell-shaped tooth appliance are worn on the same jaw at different time periods in the same appliance step; the first shell-shaped dental appliance and the second shell-shaped dental appliance are different in shape; the first shell-shaped dental appliance has a first designed movement amount for producing a first tooth movement amount that causes tooth movement; the second shell dental appliance has a second designed movement amount that maintains at least the first tooth movement amount produced by the first shell dental appliance.

The utility model sets the shapes of the first shell-shaped tooth correcting device and the second shell-shaped tooth correcting device to be different, and is based on different function positioning of the first shell-shaped tooth correcting device and the second shell-shaped tooth correcting device, and the specific shapes of the first shell-shaped tooth correcting device and the second shell-shaped tooth correcting device are designed according to the functions required to be realized, wherein the main function positioning of the first shell-shaped tooth correcting device is to cause larger tooth movement and generate the first tooth movement amount of the tooth movement; the second shell-shaped tooth appliance is positioned to generate at least an appliance force in a direction opposite to the rebound of the teeth, so that at least the first tooth movement amount generated by the first shell-shaped tooth appliance on the teeth is maintained, and the teeth do not rebound to the positions where the teeth are located before the appliance, or the second shell-shaped tooth appliance can also be positioned to generate a smaller tooth movement amount on the teeth on the premise of maintaining the tooth movement amount.

In order to better realize the above-mentioned respective functions of the first shell-shaped tooth appliance and the second shell-shaped tooth appliance, the first design movement amount of the first shell-shaped tooth appliance is greater than the second design movement amount of the second shell-shaped tooth appliance in the shell-shaped tooth appliance set of the utility model. For example, for a patient with mandibular canine untwisting, a first shell appliance is designed to be worn during the day at a displacement of 2.5 ° or 3 °, and a second shell appliance is designed to be worn at night at a displacement of 2 °.

In order to better achieve the above-described function of the second shell-shaped dental appliance, the second designed movement amount of the second shell-shaped dental appliance is within a threshold range of the designed movement amount of the tooth in the correction step. Regarding the threshold range of the designed movement amount of the teeth in the correcting step, the single-step designed movement amount of a translation case is usually 0.25 to 0.33mm, the angular single-step designed movement amount of a torsion case is 1 to 3 degrees, the further torsion angle single-step designed movement amount is 1.5 to 2.5 degrees, the further torsion angle single-step designed movement amount is 1.8 to 2.2 degrees, the preferred torsion angle single-step designed movement amount is 2 degrees, the second designed movement amount of the second shell-shaped dental appliance is a value within the above-defined numerical range, and meanwhile, the first designed movement amount of the first shell-shaped dental appliance is larger than the second designed movement amount of the second shell-shaped dental appliance. The design movement amount is specifically limited because in the design of the orthodontic appliance, the design movement amount of the orthodontic appliance is in accordance with the biomechanical rule of tooth movement, and if the design movement amount is too small, the orthodontic force or moment applied to the teeth by the orthodontic appliance is insufficient, so that the teeth are difficult to move; if the designed movement amount is too large, the periodontal tissue may be diseased, or an appliance designed according to the designed movement amount may not be worn by the patient.

In order to better realize the retaining effect of the second shell-shaped tooth appliance on the first tooth movement amount or the movement effect on the teeth with smaller amount, in the shell-shaped tooth appliance set of the utility model, the second designed movement amount of the second tooth appliance is larger than or equal to the first tooth movement amount of the first tooth appliance causing the teeth to move.

In a preferred embodiment, the first shell dental appliance exerts a greater orthodontic force and/or moment on the teeth than the second shell dental appliance does so that the first shell appliance primarily produces a first amount of tooth movement of the teeth and the second shell appliance primarily serves to maintain the first amount of tooth movement or produces a lesser amount of movement effect on the teeth.

In preferred embodiments, the first shell dental appliance has a thickness greater than the thickness of the second shell dental appliance. The shell-shaped tooth correcting devices made of the same material and different thicknesses have different correcting forces, and the shell-shaped tooth correcting devices with thicker thicknesses have larger correcting forces. The thickness of the first shell-shaped tooth appliance is set to be thicker, so that the first shell-shaped tooth appliance can be mainly used for generating the first tooth movement amount of tooth movement, and the second shell-shaped tooth appliance is set to be thinner, so that the design purpose of mainly keeping the first tooth movement amount of teeth, preventing tooth rebound or generating a movement effect on teeth in a smaller amount can be met.

The first shell dental appliance material has a modulus of elasticity greater than the modulus of elasticity of the second shell dental appliance material. The shell-shaped tooth appliance with different elastic modulus generates different correction force, and the shell-shaped tooth appliance with larger elastic modulus has larger correction force. The elastic modulus of the first shell-shaped tooth appliance is set to be larger, so that the first shell-shaped tooth appliance can be mainly used for generating the first tooth movement amount of tooth movement, and the second shell-shaped tooth appliance is set to be slightly smaller in elastic modulus, so that the design purpose of mainly keeping the first tooth movement amount of teeth, preventing tooth rebound or generating a movement effect on the teeth in a smaller amount can be met.

In some preferred embodiments, the first shell dental appliance and the second shell dental appliance have different degrees of transparency and/or colors. The two shell-shaped tooth appliances are set to be different in transparency degree and/or color, so that the effect that the two tooth appliances worn at different time periods are easy to distinguish can be achieved, and the requirements of different patients on attractiveness can be met. For example, the first shell appliance and the second shell appliance may each be designed to be transparent, translucent, or opaque. For example, when the transparent orthodontic appliance is worn in the daytime, the concealing property is good, the transparent orthodontic appliance is not easy to be perceived when being worn, the aesthetic problem of the orthodontic appliance process is solved, and the transparent orthodontic appliance is easy to identify and not easy to wear wrongly; for another example, opaque/transparent appliances with different colors can be designed, and in addition to being used for distinguishing the two appliances, some young patients can be customized according to the preference of the patients, and the patients can be more personalized and fashionable when wearing the appliances.

In some preferred embodiments, the first shell dental appliance and the second shell dental appliance have different markings for distinguishing the first shell dental appliance from the second shell dental appliance. The mark type can be one or a combination of a plurality of bar codes, numerical codes, letter codes, characters, patterns, colors and the like. For example, the pattern of the sun is marked for the dental appliance worn in the daytime, and the pattern of the moon is marked for the dental appliance worn by the patient at night, so that the type of the appliance to be worn can be intuitively identified by the patient in different time periods. The location at which the marker is placed on the appliance may be the molar side, the cuspid side, the incisor side, etc. of the appliance.

Based on the same inventive concept, the utility model also provides a tooth correcting system, which comprises a plurality of shell-shaped tooth correcting device suit, wherein at least one of the shell-shaped tooth correcting device suit is the shell-shaped tooth correcting device suit. The dental appliance system may include a 10-25 shell set of dental appliances depending on the patient. Each shell-shaped dental appliance set corresponds to one correction step, and thus the shapes of each shell-shaped dental appliance set are different from each other. For example, a first set of shell-shaped dental appliance sets has a shape for straightening a patient's dentition from an initial state to a first straightened state, while a second set of shell-shaped dental appliance sets has a shape for straightening the dentition from the first straightened state to a second straightened state. And the last shell-shaped set of dental appliances has a shape for correcting the dentition to a final desired state. That is, each set of dental appliances can produce a predetermined tooth movement of the dentition of the patient in the initial tooth arrangement state, and each set of shell-shaped dental appliances is used in sequence, so that the dentition of the patient gradually changes from the initial tooth state to the final target state.

The present invention will be further described with reference to the following specific examples.

Example one

A shell-shaped dental appliance kit provided in this embodiment includes: a first shell-shaped dental appliance and a second shell-shaped dental appliance, wherein,

the first shell-like dental appliance includes a plurality of first cavities for receiving teeth,

the second shell-like dental appliance includes a plurality of second cavities for receiving teeth,

the first shell-shaped tooth appliance and the second shell-shaped tooth appliance are worn on the same jaw of a patient, and the first shell-shaped tooth appliance and the second shell-shaped tooth appliance are applied in different time periods in the same appliance step; and the number of the first and second electrodes,

the first shell-shaped tooth appliance and the second shell-shaped tooth appliance have different shapes, so that the first shell-shaped tooth appliance and the second shell-shaped tooth appliance have corresponding correction force for realizing different functions;

the first shell-shaped dental appliance has a first designed movement amount for producing a first tooth movement amount that causes tooth movement; the second shell dental appliance has a second designed amount of movement for retaining at least the first amount of movement caused by the first dental appliance.

Specifically, in this embodiment, the first shell-shaped dental appliance is designed to cause a first tooth movement amount of tooth movement, and the second dental appliance is designed to at least maintain the first tooth movement amount so that the position of the tooth does not bounce, and when the first shell-shaped dental appliance is worn on the tooth of a patient, the first shell-shaped dental appliance applies a greater correction force and torque to the tooth of the patient, which causes a greater rate of tooth movement, and therefore causes a greater movement amount of the tooth, which increases the expression rate; when the second shell-like appliance is worn on a patient's teeth, the appliance forces and torques applied to the patient's teeth by the second appliance are small, resulting in a small rate of tooth movement, and therefore acting primarily to maintain the position of the teeth against the forces of tooth bounce, or to cause a relatively small amount of tooth movement. When the second shell-shaped tooth appliance is designed, the second designed movement amount for the second shell-shaped tooth appliance at least keeps the first tooth movement amount generated by the first shell-shaped tooth appliance to the tooth when the second shell-shaped tooth appliance is worn on the tooth of a patient, so that the phenomenon of rebounding in the tooth appliance process is avoided, namely the second tooth appliance at least has the function of keeping the first tooth movement amount.

The first shell-shaped tooth appliance can enhance the correction force and accelerate the correction speed, the second shell-shaped tooth appliance can make the correction process more comfortable, the first shell-shaped tooth appliance and the second shell-shaped tooth appliance are matched for use, the correction effect can be better, and the comfort level of the correction process is also guaranteed. The utility model discloses a shelly tooth is rescued ware suit of this embodiment is particularly useful for the tooth and is removed the case type of twisting reverse and accuse root axis, because the expression rate of these two kinds of case types is lower in present treatment practice, in this suit, two pairs of ware cooperations of rescuring are used, have the effect of efficiency compensation, have promoted and have rescued the effect and increased patient's comfort simultaneously.

Example two

In various embodiments of this embodiment, the first shell appliance 101 and the second shell appliance 102 have different thicknesses, and referring to fig. 1 and 2, the first shell appliance is relatively thicker than the second shell appliance, the thickness of the first shell appliance can be designed to be 0.5mm to 1.5mm, and the thickness of the second shell appliance can be designed to be 0.2mm to 1.2 mm. Under the condition of the same material, the appliance with larger thickness has larger correcting force. The thickness of the first shell-shaped tooth appliance is set to be thicker, so that the first shell-shaped tooth appliance can be mainly used for generating the first tooth movement amount of tooth movement, the second shell-shaped tooth appliance is set to be thinner, and the design purpose of mainly keeping the first tooth movement amount of teeth and preventing tooth rebound can be met.

EXAMPLE III

In various embodiments of this embodiment, the first shell-shaped dental appliance and the second shell-shaped dental appliance have different elastic moduli, the elastic modulus can range from 300psi to 30000psi, the first shell-shaped dental appliance has a larger elastic modulus than the second shell-shaped dental appliance, when being worn on teeth, the first shell-shaped dental appliance has a larger acting force on the teeth, and a stronger correction effect is achieved, so that the first shell-shaped dental appliance can be mainly used for generating a first tooth movement amount for tooth movement, and the second shell-shaped dental appliance is set to have a smaller elastic modulus, which can satisfy the first tooth movement amount for mainly keeping teeth, and prevent the design purpose of tooth rebound.

Example four

In various embodiments of this embodiment, the first shell-shaped dental appliance and the second shell-shaped dental appliance may be designed to have different degrees of transparency and/or different colors, and the degree of transparency may be transparent, translucent, or opaque to distinguish different appliances, apply to different scenes, and be more aesthetically pleasing. For example, as shown in fig. 3, the first shell-shaped dental appliance 401 is designed to be transparent, the second shell-shaped dental appliance 402 is designed to be opaque, and the transparent appliance is worn in the daytime, so that the concealing property is good, and the transparent appliance is not easy to be perceived when worn, so that the aesthetic problem of the orthodontic appliance process is solved, and the opaque second shell-shaped dental appliance is worn when the user sleeps at night and has low requirement on the aesthetic degree; as another example, for some younger patients, opaque/translucent/transparent appliances with different colors may be designed according to the patient's preference, which makes the patient more personal and fashionable when wearing. In addition, the dental appliances may be configured to have different degrees of transparency or colors to distinguish between different appliances.

EXAMPLE five

In various embodiments of this embodiment, the first shell-shaped dental appliance and the second shell-shaped dental appliance are made of the same material or different materials, and the material of the appliances may be one or a combination of PETG (polyester), PC (polycarbonate), TPU (polyurethane), and the like.

EXAMPLE six

In various embodiments of this embodiment, different markers can be designed on the first shell-shaped dental appliance and the second shell-shaped dental appliance, respectively, so that the patient can distinguish the two appliances with different functions. The mark type can be one or a combination of a plurality of bar codes, numerical codes, letter codes, characters, patterns, colors and the like. For example, referring to fig. 4, a pattern 6010 of the sun is marked for a first shell-shaped dental appliance 601 worn during the day, and a pattern 6020 of the moon is marked for a second shell-shaped dental appliance 602 worn by a patient at night, so that the patient can visually identify the type of appliance to be worn at different time periods. The location at which the marker is placed on the appliance may be the molar side, the cuspid side, the incisor side, etc. of the maxillary or mandibular appliance.

EXAMPLE seven

The present embodiment provides a dental appliance system, including a plurality of shell-shaped dental appliance sets, at least one of the shell-shaped dental appliance sets being the shell-shaped dental appliance set described in any one of embodiments one to six, that is, some or all of the shell-shaped dental appliance sets being the shell-shaped dental appliance sets described in embodiments one to six. Using the dental appliance system, a patient may wear a first set of shell-shaped dental appliance sets at a first stage of treatment such that teeth are moved from a first arrangement to a second arrangement, wear a second set of shell-shaped dental appliance sets at the second stage of treatment such that teeth are moved from the second arrangement to a third arrangement, and then sequentially wear subsequent shell-shaped dental appliance sets at subsequent successive stages of treatment until the teeth are moved to desired target positions. The wearing period of each set of shell-shaped orthodontic appliance can be 20 days, 14 days, 10 days, 7 days and the like, preferably, the wearing period of each set of shell-shaped orthodontic appliance is two weeks.

In this embodiment, a set of shell-shaped orthodontic appliance sets is worn in one wearing cycle, and the set of shell-shaped orthodontic appliance sets is composed of a first shell-shaped orthodontic appliance and a second shell-shaped orthodontic appliance, and the first shell-shaped orthodontic appliance can be worn in a first time period of one wearing cycle, and the second shell-shaped orthodontic appliance can be worn in a second time period of the wearing cycle. The first time period may be, for example, day, night, weekday, holiday, etc., and the second time period may also be day, night, weekday, holiday, etc. Specifically, one wearing period is divided into a plurality of cyclic wearing periods, one cyclic wearing period can be 7 days, 3 days, 2 days, 1 day and the like, preferably, one cyclic wearing period is 24 hours, specifically, for example, a first shellliform dental appliance is worn in the daytime, and a second shellliform dental appliance is worn in the evening; alternatively, the second shell appliance may be worn during the day and the first shell appliance may be worn at night.

For example, for a patient with mandibular canine antitwisting, a first shell-shaped dental appliance is worn in the daytime, the designed movement of the first shell-shaped dental appliance is 3 °, a second shell-shaped dental appliance is worn at night, and the designed movement of the second shell-shaped dental appliance is 2 °; and calculating the actual tooth movement amount according to the expression rate and the design movement amount, wherein the expression rate is the ratio of the actual tooth movement amount to the design movement amount of the dental appliance. When the expression rate of the torsion removal of the lower jaw cuspid is 50%, the expression amount (tooth movement amount) of the tooth movement in the daytime is 1.5 degrees, the orthodontic effect of the orthodontic appliance in the daytime is kept to be 1.5 degrees at night, so that the effects of orthodontic treatment in the daytime and maintenance in the night are realized, the orthodontic effect is good, and the wearing comfort during sleeping at night is also ensured.

If the case of the patient root control axis is pointed, wear the second shell-shaped tooth appliance in the daytime, the design movement amount of the second shell-shaped tooth appliance is 2 degrees, wear the first shell-shaped tooth appliance at night, the design movement amount of the first shell-shaped tooth appliance is 3 degrees, when the root control axis expression rate is 50 percent, the expression amount of the movement of the teeth in the daytime is 1 degree, the movement expression amount of the teeth at night is 1.5 degrees, namely the movement amount at later daytime is small, the mild treatment is carried out in the daytime, the efficiency compensation is carried out at night, so that the case can be worn in the daytime, the efficiency compensation is carried out during the sleep at night, and the correction effect is improved.

Example eight

This embodiment provides a tooth system of correcting, includes a plurality of shell tooth and rescues the ware suit, specifically includes initial shell tooth and rescues the ware suit, a plurality of middle shell tooth and rescues the ware suit and finally shell tooth and rescues the ware suit, every shell tooth is one in embodiment one to embodiment six arbitrary or several kinds of technical characteristics after the combination shell tooth is rescued the ware suit, promptly in a plurality of shell tooth and rescues the ware suit, all do shell tooth correct the ware suit, see in fig. 5 in detail.

With this orthodontic system, the patient can wear the initial shell-shaped orthodontic appliance set 800A at the first treatment stage, specifically wear the first shell-shaped orthodontic appliance provided with the sun mark at daytime, wear the second shell-shaped orthodontic appliance provided with the moon mark at night, so that the teeth are moved from the first arrangement to the second arrangement, wear the second set of shell-shaped orthodontic appliance set 800B at the second treatment stage, so that the teeth are moved from the second arrangement to the third arrangement, and then wear subsequent shell-shaped orthodontic appliance sets in sequence at subsequent successive treatment stages until the teeth are moved to a desired target position by the final shell-shaped orthodontic appliance set 800N.

Example nine

The embodiment provides a dental appliance system, which comprises a plurality of shell-shaped dental appliance sets, and specifically comprises an initial shell-shaped dental appliance, a plurality of intermediate shell-shaped dental appliance sets and a final shell-shaped dental appliance, wherein one or more of the intermediate shell-shaped dental appliance sets are any one of the first embodiment to the sixth embodiment or any one or combination of technical features of the first embodiment to the sixth embodiment, namely, in the plurality of intermediate shell-shaped dental appliance sets, one or more of the intermediate shell-shaped dental appliance sets are the shell-shaped dental appliance set of the present invention, as shown in fig. 6 in detail. Wherein, the ware is rescued to conventional tooth to initial shell form tooth, only sets up a shell form to every tooth jaw and rescues the ware, and shell form tooth is rescued and is managed the ware suit in the middle of one or more and do shell form tooth, the ware is rescued to final shell form tooth also for conventional tooth, only sets up a shell form to every tooth jaw and rescues the ware.

Using this dental appliance system, a patient can wear the initial shell dental appliance 900A at a first treatment stage so that teeth are moved from a first arrangement to a second arrangement, wear the second set of shell dental appliance sets 900B at the second treatment stage, specifically wear the first shell dental appliance with a sun tag at daytime, wear the second shell dental appliance with a moon tag at night so that teeth are moved from the second arrangement to a third arrangement, and then sequentially wear subsequent shell dental appliance sets at subsequent successive treatment stages until the teeth are moved to a desired target position by the final shell dental appliance 900N.

The utility model provides a shell form tooth is rescued ware suit and is contained its tooth and rescues system, is very effective to the lower accuse root positive axis of expression rate and remove the torsion case very much, removes the in-process at specific tooth, can carry out the design of precession formula to improve the expression rate, guarantee simultaneously that there is some time to be used for keeping and periodontal tissue reconstruction, improved the expression rate in every treatment stage, and then shortened holistic treatment cycle.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a ware suit is rescued to shelly tooth which characterized in that: the orthodontic appliance comprises a first shell-shaped orthodontic appliance and a second shell-shaped orthodontic appliance, wherein the first shell-shaped orthodontic appliance comprises a plurality of first cavities for accommodating teeth, and the second shell-shaped orthodontic appliance comprises a plurality of second cavities for accommodating teeth; the first shell-shaped tooth appliance and the second shell-shaped tooth appliance are worn on the same jaw at different time periods in the same appliance step; the first shell-shaped dental appliance and the second shell-shaped dental appliance are different in shape; the first shell-shaped dental appliance has a first designed movement amount for producing a first tooth movement amount that causes tooth movement; the second shell dental appliance has a second designed amount of movement that maintains at least the first amount of movement of the teeth produced by the first shell dental appliance.

2. The shell-shaped dental appliance kit of claim 1, wherein: the first designed amount of movement of the first shell dental appliance is greater than the second designed amount of movement of the second shell dental appliance.

3. The shell-shaped dental appliance kit of claim 1 or 2, wherein: the second designed amount of movement of the second shell dental appliance is within a threshold range of the designed amount of movement of the tooth in the step of appliance.

4. The shell-shaped dental appliance kit of claim 1, wherein: the second designed amount of movement of the second shell dental appliance is greater than or equal to the first amount of tooth movement caused by the first shell dental appliance.

5. The shell-shaped dental appliance kit of claim 1, wherein: the first shell dental appliance applies a greater orthodontic force and/or moment to the teeth than the second shell dental appliance applies to the teeth.

6. The shell-shaped dental appliance kit of claim 1 or 5, wherein: the first shell dental appliance has a thickness greater than a thickness of the second shell dental appliance.

7. The shell-shaped dental appliance kit of claim 1 or 5, wherein: the first shell dental appliance material has a modulus of elasticity greater than the modulus of elasticity of the second shell dental appliance material.

8. The shell-shaped dental appliance kit of claim 1, wherein: the first shell dental appliance and the second shell dental appliance have different degrees of transparency and/or colors.

9. The shell-shaped dental appliance kit of claim 1, wherein: the first shell-shaped dental appliance and the second shell-shaped dental appliance are provided with different marks for distinguishing the first shell-shaped dental appliance from the second shell-shaped dental appliance.

10. A dental appliance system comprising a plurality of shell dental appliance sets, wherein at least one of the plurality of shell dental appliance sets is a shell dental appliance set as claimed in any one of claims 1 to 9.

Images