CN210931950U - Tooth correction device, correction device set and shell-shaped dental correction system - Google Patents
Tooth correction device, correction device set and shell-shaped dental correction system Download PDFInfo
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- CN210931950U CN210931950U CN201921570459.XU CN201921570459U CN210931950U CN 210931950 U CN210931950 U CN 210931950U CN 201921570459 U CN201921570459 U CN 201921570459U CN 210931950 U CN210931950 U CN 210931950U
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Abstract
The utility model discloses a ware is rescued to tooth, including the shell body that is used for holding the cavity of tooth, shell body is the integrated into one piece structure, shell body is equipped with the bellying that makes lower jaw incisor and upper jaw incisor tend to align to the protrusion of jaw direction in the position department corresponding to back tooth district, the bellying is equipped with the friction portion that makes the stable contact of upper and lower jaw when the interlock is rebuild towards the part to jaw dentition occlusal surface. The utility model also provides a system is rescued to shelly dentistry. The utility model adopts the structure that the back tooth area of the shell of the appliance is arranged on the lug boss which is formed by the protrusion of the opposite jaw and increases the friction force, so that the relative position of the upper jaw and the lower jaw is stable when the occlusion is opened, and the occlusion can be induced at the same time, so that the lower jaw retracts or is guided forwards; the utility model is easy to take off and wear.
Description
Technical Field
The utility model belongs to the field of medical equipment, a ware, correction ware suit and shelly dentistry system are rescued to tooth is related to.
Background
Malocclusion refers to congenital genetic factors or acquired environmental factors such as diseases, bad habits of the oral cavity, dysdonia of tooth replacement, etc., and may also be caused by trauma and periodontal diseases after growth, such as misalignment of teeth, abnormal occlusion of upper and lower dental arches, abnormal size and position of jaw, facial deformity, etc. The factors and mechanisms of malocclusion are intricate, and the process of occurrence may be effected by a single factor and a single mechanism, or may be the result of multiple factors or multiple mechanisms acting together. The pathogenesis of the malocclusion deformity can be divided into two categories, namely congenital factors and acquired factors, from the time of the formation of the malocclusion deformity, but aiming at the generation mechanism of the individual malocclusion deformity, the pathogenesis of the malocclusion deformity can be divided into internal genetic factors and external environmental factors.
The invisible tooth appliance is comfortable to wear, can be taken off and worn, is attractive, is selected by more and more people, needs to be closely attached to teeth when being worn, and is matched with the attachments stuck to the teeth to be corrected. At present, the purpose of opening occlusion is achieved by a mode of arranging jaw pads on teeth, but the fixed correction aims to open and close by sticking resin plastics and the like on the teeth and fixing the teeth beside by using metal wires, but the mode cannot be applied to invisible correction; for the invisible correction, the adopted method is to stick resin and other intraoral materials on the surface of the invisible corrector, but the combination degree of the two methods is low, and the two methods are easy to fall off, so that the corresponding correction purpose cannot be achieved.
Therefore, the research on the dental instrument which has the functions of safety, comfort and convenience and can adjust the jaw position relation is of great significance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a ware is rescued to tooth, can make the patient carry out the interlock and rebuild to reach the establishment of stable interlock relation.
The utility model also solves the technical problem of providing a tooth appliance suit, and the upper and lower jaws wear the tooth appliance simultaneously, so that the patient can establish a stable occlusion relation, and the system is corrected for formation to provide a basis.
The utility model also solves the technical problem of providing a shell-shaped dental appliance system, so that the patient can carry out occlusion reconstruction, and the effect of relieving the anti-jaw or deep covering can be achieved.
The technical scheme of the utility model as follows:
a tooth appliance comprises a shell-shaped body for accommodating teeth, wherein the shell-shaped body is of an integrally formed structure, a protruding part for enabling lower jaw incisors and upper jaw incisors to tend to align is arranged at a position, corresponding to a posterior tooth area, of the shell-shaped body in a protruding mode towards the jaw direction, and a friction part for enabling the upper jaw and the lower jaw to be in stable contact during occlusion reconstruction is arranged on the portion, facing the occlusal surface of a jaw dentition, of the protruding part.
Preferably, the hardness and/or elastic modulus of the friction part of the shell-shaped body is larger than the hardness and/or elastic modulus of other parts of the shell-shaped body. Make the friction part of shell form body is more firm, durable, when the interlock, avoids the bite-force too big and causes the bellying to take place the deformation, influences and rescues the effect.
Preferably, the friction part of the shell-shaped body is one or a combination of two or more of a structure which is matched with the occlusal surface of the opposite jaw teeth in a concave-convex manner, a structure which is matched with the occlusal surface of the opposite jaw teeth in an occlusion manner, a structure with a frosted surface, a structure with convex points, a structure with a hollowed-out surface or a structure with a hole surface.
Preferably, a filling part is further arranged in a gap between the protruding part and the dentition worn by the shell-shaped body, so that a supporting force is provided for the protruding part, and the protruding part is prevented from being deformed due to overlarge biting force when the upper jaw and the lower jaw are occluded.
Preferably, the occlusal surface of the protrusion is different from the occlusal surface of the posterior dentition area worn by the protrusion. When the area of the occlusal surface of the bulge part is larger than that of the occlusal surface of the posterior dental area of the wearing dentition, the bulge part provides a larger contact area with the posterior dental area of the jaw, so that the occlusion after reconstruction is more stable; the area of the occlusal surface of the convex part is smaller than the area of the occlusal surface of the dentition posterior teeth area, and when the teeth are occluded, the teeth are limited by the side wall of the convex part to be limited, and can assist the posterior teeth to be pressed down.
Preferably, the side walls of the projections of the shell-like body extend along the buccal and lingual surfaces of the posterior dental area to which the shell-like body corresponds. The protruding direction of the artificial tooth is the same as the tooth opening direction, and the size of an occlusal surface formed by the extending protruding part is the same as that of the teeth, so that the occlusion of the teeth after occlusion reconstruction can be simulated.
The utility model also provides a ware suit is rescued to tooth, including two foretell tooth rescue wares, wear respectively in human upper and lower jaw dentition, two the tooth is rescued the ware and can be the same structure also can be different structures.
The utility model also provides a system is rescued to shelly dentistry, including a plurality of dentistry rescue ware suit, wherein, at least one dentistry rescue ware suit is foretell tooth rescue ware suit. The device suit is rescued to a plurality of dentistry and is worn in the part of the course of treatment, and every dentistry is rescued the device suit and is worn suitable cycle, obtains the anticipated effect of rescuring after, rescues the condition according to the patient and wears next and rescues the device suit, obtains the anticipated effect of rescuring until patient's deformity dentition to reach and rescure the effect.
Preferably, the height of the projections on the appliances in different sets of appliances decreases progressively with the progress of the appliance. Because the patient is wearing the in-process of correcting the ware, the jaw opening effect of bellying induces the adduction or the protrusion of lower jaw dentition to carry out the malocclusion and correct. The mandibular dentition of the malocclusions of the patient is corrected during treatment, and therefore the height of the projections is arranged to gradually decrease until finally no projections need be provided.
The utility model also provides a ware suit is rescued to tooth, rescued ware and second tooth including first tooth, the ware is rescued to foretell tooth to first tooth, the ware is rescued to the second tooth includes second shell body, second shell body sets up a plurality of second cavitys that hold the second dentition, second shell body corresponds the ware is rescued to first tooth's position department be equipped with the spacing portion that the ware was rescued to friction portion cooperation and promotion interlock are induced is rescued to first tooth.
Preferably, the position-limiting part is one or a combination of two or more of a structure which is matched with the occlusal surface of the corresponding posterior dental area of the first dental appliance in a concave-convex manner, a structure which is matched with the occlusal surface of the first dental appliance in an occlusion manner, a structure with a frosted surface, a structure with a hollowed-out surface, a structure which is provided with an opening on the occlusal surface of the corresponding posterior dental area of the jaw teeth, or a structure which does not cover the second shell-shaped body structure in the posterior dental area.
Preferably, the limiting part is a second protruding part protruding towards the first dental appliance, and a reinforcing part matched with the friction part of the first dental appliance is arranged on the occlusal surface of the corresponding posterior dental area of the second protruding part.
Preferably, the reinforcing part of the second shell-shaped body is one or a combination of two or more of a structure having the same texture as the occlusal surface of the second dentition or a structure having an opening on the occlusal surface.
Preferably, the first dental appliance and/or the second dental appliance has a thickness of 0.1-2.0 mm. The first tooth appliance is a shell with uneven thickness, the thickness of the first tooth appliance is thicker at the position needing to be corrected, the position of the convex part and the position of the friction part, and the thickness can be set to be 2mm, 1.5mm, 1mm, 0.75mm and 0.5 mm; and the thickness of other positions can also be set to be 0.1mm, so that better correction effect and comfortable and beautiful patient experience can be obtained.
Similarly, the second appliance is a shell with non-uniform thickness, and the thickness of the shell is thicker at the position needing to be corrected, the position of the convex part and the position of the friction part, and the thickness of the shell can be set to be thinner at other positions. The thickness of the first dental appliance and the thickness of the second dental appliance may be set to be the same or different; the first dental appliance can also be provided as a shell with uniform thickness, and the second dental appliance can also be provided as a shell with uniform thickness.
The utility model also provides a system is rescued to shelly dentistry, including a plurality of teeth correction device suit, at least one tooth correction device suit is foretell tooth correction device suit. The cooperation of ware suit is rescued to a plurality of teeth and is used, and every tooth is rescued the ware suit and is worn suitable cycle, obtains certain effect of rescaling after, rescues the ware suit according to the patient and rescues the condition design next time, obtains anticipated effect of rescaling until patient's deformity dentition to the completion is rescued.
Preferably, the height of the projections of the first dental appliance in different dental appliance sets is gradually reduced along with the correction process, and the height of the projections of the second dental appliance is gradually reduced along with the correction process. According to the orthodontic condition of the dentition of the patient, the height of the proper protruding part is set so as to obtain better treatment experience.
Compared with the prior art, the beneficial effects of the utility model are as follows:
firstly, the tooth appliance of the utility model adopts the structure that the back tooth area of the shell of the appliance is provided with the lug boss which is formed by bulging the jaw, so that the relative position of the upper jaw and the lower jaw is stable when the occlusion is opened, and the occlusion can be induced at the same time, so that the lower jaw is retracted or guided forwards; simultaneously the bellying is the arch of integrated into one piece on correcting the casing, for independent jaw pad among the prior art, has saved the process that needs fix the jaw pad on the tooth, has reduced the damage to the tooth to the arch that sets up the formula as an organic whole makes things convenient for the patient to take and wear.
Secondly, the shell-shaped dental correcting system comprises a plurality of groups of dental correcting devices, and a patient can induce the recovery of the mandibular dentition due to the jaw opening function of the convex part in the wearing process, thereby correcting malocclusion; in the correcting process, the mandibular dentition with malocclusion is corrected, and the height of the convex part arranged on the different shell-shaped tooth correcting devices is gradually reduced until no jaw pad is needed to be arranged, so that comfortable and attractive wearing experience and better correcting effect are obtained.
Drawings
Fig. 1 is a schematic view of a dental appliance according to embodiment 1 of the present invention;
fig. 2 is a schematic view of a dental appliance according to embodiment 2 of the present invention;
fig. 3 is a schematic view of a dental appliance set according to embodiment 3 of the present invention;
fig. 4 is a schematic view of a dental appliance set according to embodiment 3 of the present invention;
fig. 5 is a schematic view of a dental appliance set according to embodiment 4 of the present invention;
fig. 6 is a schematic view of a dental appliance set according to embodiment 4 of the present invention;
fig. 7 is a schematic view of a dental appliance set according to embodiment 4 of the present invention;
fig. 8 is a schematic view of a dental appliance set according to embodiment 4 of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are only for illustrating the present invention, and are not intended to limit the scope of the present invention. In practical applications, the improvement and adjustment made by those skilled in the art according to the present invention still belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the orthodontic appliance of the embodiment includes an integrally formed shell-shaped body 100, the shell-shaped body 100 includes a cavity for accommodating a front tooth area and a rear tooth area of a maxillary dentition, and the shell-shaped body 100 is provided with a protrusion 101 protruding toward a jaw direction at a position of the rear tooth area at both sides for opening occlusion and performing occlusion reconstruction, and making a mandibular incisor and a maxillary incisor tend to align.
The shell-shaped body of this embodiment is made of a polymer material, and is likely to slide relative to the teeth when biting into the teeth, so that in order to increase the stability of the occlusion of the protrusion 101 with the teeth of the jaw, a friction portion 103 for stably contacting the upper and lower jaws when reconstructing the occlusion is provided at a portion of the protrusion 101 facing the occlusal surface of the dentition of the jaw. In this embodiment, the friction portion 103 is a protruding structure matching with the socket of the posterior dental area of the mandibular dentition, and the protruding portion 101 of the shell-shaped body is concave-convex matched with the posterior dental area of the mandibular dentition.
In this embodiment, the thickness of the shell-shaped body 100 is thicker at the position to be corrected, the position of the convex portion 101, and the position of the friction portion, and the thickness of the shell-shaped body 100 may be set to be 2mm, 1.5mm, 1mm, 0.75mm, and 0.5 mm; the thickness value of the friction part and the bulge is larger, the friction part and the bulge can be the same as the thickness of the shell-shaped body 100, and the thickness of the friction part and the bulge can be set to be 0.1mm at other positions, so that a better correction effect and comfortable and attractive patient experience can be obtained. In other embodiments, the shell-shaped body may be a shell with a uniform thickness, and is not limited herein.
Furthermore, the elastic modulus of the friction part 103 of the boss 101 is greater than that of other parts of the shell-shaped body 100, so that the boss 101 is firmer and is prevented from being deformed due to excessive occlusion.
In this embodiment, the occlusal surface of the protrusion 101 may be configured to have a different area from the occlusal surface of the posterior dentition area to which the protrusion is attached. When the area of the occlusal surface of the convex part 101 is larger than the area of the occlusal surface of the dentition posterior teeth area worn by the convex part 101, the convex part 101 provides a larger contact area with the jaw posterior teeth area, so that the occlusion after reconstruction is more stable. When the area of the occlusal surface of the convex part 101 is smaller than the area of the occlusal surface of the dentition posterior teeth area worn by the convex part, the teeth are limited by the side wall of the convex part to be limited in the occlusion process, and the teeth can also assist the posterior teeth to be pressed down.
In this embodiment, the side wall of the protrusion 101 extends along the buccal and lingual surfaces of the posterior dental area corresponding to the shell-shaped body. The protruding direction of the artificial tooth is the same as the tooth opening direction, and the size of an occlusal surface formed by the extending protruding part is the same as that of the teeth, so that the occlusion of the teeth after occlusion reconstruction can be simulated.
In another optional embodiment, a certain gap is formed between the protruding portion 101 and the molars of the maxillary dentition, and polymer resin filling can be further arranged in the gap to provide a supporting force for the protruding portion, so that the protruding portion 101 is prevented from deforming to influence the correcting effect when the upper jaw and the lower jaw are engaged.
The protruding part 101 of the shell-shaped body in this embodiment may be only disposed in the front molar region, may also be only disposed in the molar region, may also be partially disposed in the front molar region and the molar region, may also be disposed in the partial region of the front molar region and the molar region, and may also be disposed in both the front molar region and the molar region.
The "posterior dental area" in this example includes the anterior molars and molars, as defined by the classification of teeth in the "introduction to oral medicine" published by Beijing university medical Press, pages 36-38, respectively, and the teeth are shown as 4-8 by FDI labeling, and the teeth are shown as 1-3 by FDI labeling of the anterior dental area. The first molar FDI marking is shown for the 6 teeth and the second molar FDI marking is shown for the 7 teeth. The "anterior zone" includes incisors, lateral incisors and cuspids.
Example 2
The present embodiment is a dental appliance, please refer to fig. 2, which is similar to the structure of embodiment 1, and the difference is that the dental appliance is applied to mandibular correction, and includes shells for accommodating incisors, lateral incisors, cuspids, premolars and molars of mandibular dentition, the shell-shaped body protrudes upward to the jaw at the posterior tooth areas on both sides to form a protruding portion, the occlusal surface of the protruding portion of the shell-shaped body is provided with a friction portion, and the friction portion is in a structure matching with the occlusal surface of the maxillary dentition.
The shell-shaped body is worn on the lower jaw dentition of a human body and can play a role in opening the occlusion of teeth and enabling the lower jaw incisors and the upper jaw incisors to tend to be aligned.
Example 3
This embodiment is a dental appliance set, and referring to fig. 3, the dental appliance set includes the maxillary dental appliance of embodiment 1 and the mandibular dental appliance of embodiment 2.
The shell-shaped bodies of the two tooth correcting devices are shells with uneven thicknesses, the thicknesses of the shell-shaped bodies are thicker at positions needing correcting, positions of the protruding portions and positions of the friction portions, the thicknesses of the shell-shaped bodies at other positions can be set to be thinner, and materials with higher hardness can be arranged at the positions to achieve corresponding correcting effects. The shell-shaped body of the tooth appliance can also be set to be a shell with uniform thickness, the thickness of the shell-shaped body of the tooth appliance can be set to be the same or different, the protruding height of the protruding part of the tooth appliance and the area of the occlusal surface can be set to be the same or different, and the limit is not made here.
In other embodiments, the friction portion of the appliance may be configured to have a hollowed surface, as shown in FIG. 4.
In other embodiments, the friction portion may be provided as one, two or more of a structure having a frosted surface, a structure having a convex point, or a structure having a hole surface.
Example 4
Referring to fig. 5, a dental appliance set of the present embodiment includes a first dental appliance including a first shell-shaped body 100 for maxillary dentition and a second dental appliance including a second shell-shaped body 200 for mandibular dentition. The first shell-shaped body 100 is of an integrally formed structure and comprises cavities for accommodating incisors, lateral incisors, cuspids, premolars and molars, and the first shell-shaped body 100 protrudes towards the lower jaw at the positions of the rear tooth areas on the two sides to form a protruding part 101.
The second shell-shaped body 200 includes cavities for receiving incisors, lateral incisors, cuspids, premolars, and molars, and the second shell-shaped body 200 is provided with an open stopper 210 at a position corresponding to the protruding part 101 in the rear tooth area, the open stopper 210 exposing occlusal surfaces of first and second molars of the mandibular dentition.
The occlusal surface of the convex part 101 of the first shell-shaped body is provided with a friction part, and the friction part is in a structure which is matched with the occlusal surfaces of the first molar and the second molar of the mandibular dentition in a concave-convex manner, namely the limiting part 210 is matched with the convex part 101, so that the purpose of promoting occlusal reconstruction is achieved.
In another alternative embodiment, the protrusion 101 of the first shell-shaped body 100 is disposed at the position of the second premolar, the first molar and the second molar of the maxillary dentition, and referring to fig. 6, correspondingly, the second premolar, the first molar and the second molar of the second shell-shaped body 200 are disposed with open stoppers.
In another alternative embodiment, the first shell-shaped body 100 is provided with protrusions at the first molar and the second molar, and the second shell-shaped body 200 is provided with cavities for accommodating incisors, lateral incisors, cuspids, premolars and molars of the mandibular dentition of the human body. The occlusal surface of the posterior tooth area on both sides of the second shell-shaped body is provided with a limiting part, the limiting part has a structure with a convex point on the surface, please refer to fig. 7, the occlusal surface of the protruding part 101 of the first shell-shaped body 100 is provided with a friction part, and the friction part has a convex point structure on the surface.
In another alternative embodiment, the position-limiting part of the second shell-shaped body may be configured as a structure that the posterior tooth area of the second shell-shaped body is not covered, that is, the posterior tooth area is not covered by the second shell-shaped body, and the friction part of the first dental appliance is configured as a structure that is concave-convex matched with the mandibular dentition.
In other embodiments, the position-limiting portion of the second shell-shaped body may be configured to have a frosted surface, as shown in fig. 8, or configured to have one or a combination of two or more of a structure with a hole surface, a structure with a hollowed surface, and a structure with a bump.
In another optional embodiment, the limiting part of the second shell-shaped body protrudes towards the first shell-shaped body, the occlusal surface of the posterior tooth zone of the protruding part is provided with a reinforcing part matched with the friction part of the first dental appliance, and the reinforcing part is one or a combination of a structure with the same texture as the occlusal surface of the molar teeth of the mandibular dentition and a structure with an opening on the occlusal surface.
Example 5
The embodiment provides a dental appliance system, which comprises a plurality of dental appliance sets, wherein each dental appliance set comprises two dental appliances described in the embodiment 3, and the two dental appliances are respectively used for correcting upper and lower jaw dentitions. The two teeth are respectively provided with a protruding part which leads the lower jaw incisor and the upper jaw incisor to tend to align towards the jaw in the rear tooth area at the two sides of the shell-shaped body of the two teeth correcting devices, and the part of the protruding part facing to the occlusal surface of the jaw dentition is provided with a friction part which leads the upper jaw and the lower jaw to be stably contacted during occlusion reconstruction.
The dental appliance system of the embodiment at least comprises a first dental appliance set and a second dental appliance set, wherein the first dental appliance set comprises two dental appliances for upper and lower jaw dentitions, the first dental appliance and the second dental appliance are respectively worn on the upper and lower jaw dentitions of a patient and are taken down after being worn for a proper period, the wearing time is 7-14 days, and the second dental appliance set can be designed or manufactured according to the correction condition of the patient.
The second set of dental appliances includes two dental appliances for the upper and lower dentitions, which are designed according to the dentition of the patient's second target of correction. The height of the convex part of the tooth appliance of the second tooth appliance set is smaller than that of the convex part of the tooth appliance of the first tooth appliance set, and the second tooth appliance set is taken down after a patient wears a proper period.
The next dental appliance suit is designed according to the orthodontic condition of the dentition of the patient, the dental appliance suit is worn and corrected until the orthodontic is completed, a continuous correcting scheme can be designed according to the actual case condition of the patient, the dental appliance suit is prepared into a corresponding dental appliance, and the patient wears to complete corresponding correcting treatment.
When the dental appliance set of the embodiment is designed, the protruding height of the protruding part arranged on the rear dental appliance set towards the opposite jaw direction is smaller than the thickness of the upper dental appliance set until the dental appliance set is corrected, wherein the wearing time of the dental appliance with the protruding part is about 0-6 months.
The dental correcting system of the embodiment enables the lower jaw incisors and the upper jaw incisors to tend to be aligned due to the jaw opening effect of the convex parts of the dental correcting device in the correcting process of the patient, so that malocclusion correction is performed. The patient is through correcting the back, and the lower jaw dentition of malocclusion is corrected gradually, therefore the bellying is to the protruding high setting to the jaw direction along with correcting going on reducing gradually of process, until the end need not set up the bellying, and the thickness of the shell form body of ware is also reducing gradually to the tooth simultaneously.
Example 7
A shell-like dental appliance system of this embodiment, includes a plurality of dental appliance suit, and each dental appliance suit includes first dental appliance and second dental appliance as described in the embodiment, first dental appliance and second dental appliance are used for the correction of upper and lower jaw dentition respectively, wherein:
the two sides of the first tooth appliance are provided with a protrusion part which protrudes towards the opposite jaw direction and is used for enabling lower jaw incisors and upper jaw incisors to tend to align, and the part of the protrusion part facing the occlusal surface of the opposite jaw dentition is provided with a friction part which enables the upper jaw and the lower jaw to be in stable contact during occlusion reconstruction.
The second tooth appliance is provided with a limiting part which is matched with the friction part of the first tooth appliance and promotes occlusion induction at the position corresponding to the convex part of the first tooth appliance.
The dental appliance system of the embodiment at least comprises a first dental appliance set and a second dental appliance set, wherein:
the first tooth appliance suit is designed according to the dentition of the first appliance target of the patient, is taken down after being worn for a proper period, and the second tooth appliance suit is designed according to the appliance condition of the patient.
The second set of dental appliances includes two dental appliances for the upper and lower dentitions, the second set of dental appliances being designed according to the dentition of the patient's second target of correction. The height of the protrusion of the first tooth appliance of the second tooth appliance set is smaller than that of the protrusion of the first tooth appliance set, and the second tooth appliance set is taken down after a patient wears a proper period.
The next tooth correction device suit is designed according to the correction condition of the dentition of the patient, the wearing is performed, until the correction is completed, a continuous correction scheme can be designed according to the actual case condition of the patient, the dental correction device is prepared into a corresponding dental correction device, and the patient wears to complete the corresponding correction treatment.
When the tooth correcting sleeve group is designed, the thickness of the later tooth correcting sleeve group is smaller than that of the last tooth correcting sleeve group until correction is completed, wherein the wearing time of the tooth correcting device with the convex part is about 0-6 months.
The foregoing disclosure is directed to only alternative embodiments of the invention. Alternative embodiments are not exhaustive and do not limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (16)
1. A tooth appliance comprises a shell-shaped body for accommodating teeth, wherein the shell-shaped body is of an integrally formed structure, and is characterized in that a protruding part for enabling lower jaw incisors and upper jaw incisors to tend to be aligned is arranged at a position, corresponding to a posterior tooth area, of the shell-shaped body in a protruding mode towards the jaw direction, and a friction part for enabling the upper jaw and the lower jaw to be in stable contact during occlusion reconstruction is arranged on a part, facing to an occlusal surface of a jaw dentition, of the protruding part.
2. The dental appliance of claim 1, wherein the shell-like body has a greater hardness and/or modulus of elasticity in the friction portion than in other portions of the shell-like body.
3. The dental appliance of claim 1, wherein the friction portion of the shell-shaped body is one, a combination of two or more of a structure that is concave-convex matched with the occlusal surface of the opposite jaw teeth, a structure that is occlusally matched with the occlusal surface of the opposite jaw teeth, a structure with a frosted surface, a structure with convex points, a structure with a hollowed-out surface, or a structure with a perforated surface.
4. The dental appliance of claim 1, wherein the protrusion is a hollow structure and has a filling portion therein.
5. The dental appliance of claim 1, wherein the protrusion has an occlusal surface that is different from an occlusal surface area of a posterior dentition area to which it is applied.
6. The dental appliance of claim 1, wherein the side walls of the projections of the shell-like body extend along buccal and lingual surfaces of the posterior dental zone to which the shell-like body corresponds.
7. A kit of dental appliances comprising two dental appliances according to any one of claims 1 to 6.
8. A shell-like dental appliance system comprising a plurality of appliance sets, wherein at least one appliance set is the appliance set of claim 7.
9. The shell dental appliance system of claim 8, wherein the projections on the appliances in different sets of shell appliances have progressively decreasing projection heights as the appliances are being manipulated.
10. A dental appliance set is characterized by comprising a first dental appliance and a second dental appliance, wherein the first dental appliance is the dental appliance of any one of claims 1 to 6, the second dental appliance comprises a second shell-shaped body, the second shell-shaped body is provided with a plurality of second cavities for accommodating second dentition, and a limiting part which is matched with a friction part of the first dental appliance and promotes occlusion induction is arranged at the position of the second shell-shaped body corresponding to the convex part of the first dental appliance.
11. The kit of claim 10, wherein the stop portion is one or a combination of two or more of a structure that is concave-convex matched with the occlusal surface of the corresponding posterior area of the first dental appliance, a structure that is occlusally matched with the occlusal surface of the first dental appliance, a structure with a frosted surface, a structure with a hollowed surface, a structure with an opening in the occlusal surface of the corresponding posterior area of the maxillary teeth, or a structure in which the posterior area does not cover the second shell-like body.
12. The kit of claim 10, wherein the limiting portion is a second protrusion protruding toward the first dental appliance, and a reinforcing portion engaged with the friction portion of the first dental appliance is disposed on an occlusal surface of the corresponding posterior dental zone of the second protrusion.
13. The kit of claim 12, wherein the reinforcement portion of the second shell-shaped body is one, two or more of a texture of the occlusal surface of the second dentition or a texture of the occlusal surface of the second dentition.
14. The kit of dental appliances of claim 10, wherein the first and/or second dental appliance has a thickness of 0.1-2.0 mm.
15. A shell-like dental appliance system comprising a plurality of sets of dental appliances, wherein at least one set of dental appliances is a set of dental appliances according to any one of claims 10 to 14.
16. The shell-like dental appliance system of claim 15, wherein the first appliance projections of different sets of appliances have a height that gradually decreases with the progress of the appliance and the second appliance projections have a height that gradually decreases with the progress of the appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921570459.XU CN210931950U (en) | 2019-09-20 | 2019-09-20 | Tooth correction device, correction device set and shell-shaped dental correction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921570459.XU CN210931950U (en) | 2019-09-20 | 2019-09-20 | Tooth correction device, correction device set and shell-shaped dental correction system |
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| Publication Number | Publication Date |
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| CN210931950U true CN210931950U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921570459.XU Active CN210931950U (en) | 2019-09-20 | 2019-09-20 | Tooth correction device, correction device set and shell-shaped dental correction system |
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| CN (1) | CN210931950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303931A (en) * | 2021-06-11 | 2021-08-27 | 西安交通大学口腔医院 | Functional appliance for correcting mandibular protrusion or mandibular retraction and manufacturing method thereof |
| CN114052949A (en) * | 2020-07-31 | 2022-02-18 | 正雅齿科科技(上海)有限公司 | Shell-shaped tooth appliance and design method and manufacturing method of dental appliance system |
-
2019
- 2019-09-20 CN CN201921570459.XU patent/CN210931950U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114052949A (en) * | 2020-07-31 | 2022-02-18 | 正雅齿科科技(上海)有限公司 | Shell-shaped tooth appliance and design method and manufacturing method of dental appliance system |
| CN114052949B (en) * | 2020-07-31 | 2024-01-23 | 正雅齿科科技(上海)有限公司 | Design method and manufacturing method of shell-shaped dental appliance and dental appliance system |
| CN113303931A (en) * | 2021-06-11 | 2021-08-27 | 西安交通大学口腔医院 | Functional appliance for correcting mandibular protrusion or mandibular retraction and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200001 6th floor, ganglu Plaza, 18 Xizang Middle Road, Huangpu District, Shanghai Patentee after: Shen Gang Patentee after: Zhengya Dental Technology (Shanghai) Co.,Ltd. Address before: 200001 6th floor, ganglu Plaza, 18 Xizang Middle Road, Huangpu District, Shanghai Patentee before: Shen Gang Patentee before: SHANGHAI SMARTEE DENTI-TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211210 Address after: Room 122, 2305 Zuchongzhi Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai 201210 Patentee after: Zhengya Dental Technology (Shanghai) Co.,Ltd. Patentee after: Shen Gang Patentee after: Taikang Baibo Medical Group Co.,Ltd. Address before: 200001 6th floor, ganglu Plaza, 18 Xizang Middle Road, Huangpu District, Shanghai Patentee before: Shen Gang Patentee before: Zhengya Dental Technology (Shanghai) Co.,Ltd. |
|
| IP01 | Partial invalidation of patent right | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W124480 Conclusion of examination: On the basis of the claims submitted by the patentee on October 28, 2021, claims 1 to 8 of the utility model patent No. 201921570459.X are declared invalid, and claims 9 to 15 are maintained valid Decision date of declaring invalidation: 20220105 Decision number of declaring invalidation: 53413 Denomination of utility model: A dental appliance, appliance set and shell-shaped dental appliance system Granted publication date: 20200707 Patentee: Zhengya Dental Technology (Shanghai) Co.,Ltd.|Shen Gang|Taikang Baibo Medical Group Co.,Ltd. |