TWM630174U - Shell-shaped dental appliances and shell-shaped orthodontic set - Google Patents

Abstract

The present invention discloses a shell-shaped dental appliance and a shell-shaped dental appliance set including at least one shell-shaped dental appliance. Wherein the shell-shaped dental appliance includes a shell-shaped body provided with a plurality of tooth receiving cavities, the shell-shaped body is provided with a screen, and the screen includes a baffle provided on the labial side and/or the buccal side protruding in the direction of the distal teeth part, and a contact part connected with the blocking part, when worn, the blocking part is in contact with the lip muscle and/or the cheek muscle, and the force exerted by the lip muscle and/or the cheek muscle on the blocking part is at least partially transmitted through the contact part to the corresponding gingiva. The shell-shaped dental instrument of the present creation avoids the problem of the inhibition of tooth growth by the lip muscle and/or the cheek muscle during the orthodontic treatment, and transmits the pressure exerted by part of the lip muscle and/or the cheek muscle to the corresponding gum through the contact part At this point, the retention force of the shell-shaped dental appliance to the gum is increased, the orthodontic effect is improved, and the orthodontic period is shortened.

Description

Shell-shaped dental instrument and shell-shaped dental appliance set

This creation belongs to the technical field of dental orthodontics, more specifically, to the technical field of invisible orthodontic treatment without brackets, and particularly refers to a shell-shaped dental appliance and a shell-shaped dental appliance set.

Compared with traditional orthodontic diagnosis and treatment technology, bracket-free invisible orthodontic technology is being chosen by more and more people due to its advantages of comfortable wearing and beautiful appearance. However, the existing invisible orthodontic treatment has certain limitations in the early treatment of deciduous dentition, mixed dentition and permanent dentition, mainly due to the low age of the patients. In addition to the problem of tooth alignment, most patients still have the development of the length, width and height of the upper and lower jaws; Differential growth of the mandible; determination of the position of the temporomandibular joint related to the craniofacial neuromuscular function and occlusal relationship; the completion of the facial soft tissue development and the formation of the coordination and stable functional relationship with the jaw. In addition to tooth alignment, functional orthodontic treatment is also required during treatment.

Traditional functional appliances require manual bending of steel wires as brackets, coating with self-curing plastic, and then polishing according to the patient's oral structure. The whole process is time-consuming and labor-intensive and the production cost is high. When the functional appliance is first worn, the volume of the functional appliance is large, which affects pronunciation and chewing after wearing, and it takes a long time to adapt to the swallowing function. At the same time, the functional appliance will also affect the patient's oral saliva secretion and saliva flow during wearing, thereby affecting the self-cleaning and remineralization of the teeth, changing the patient's oral microecology, and affecting oral health.

At present, in view of the problem that the developing dentition is easily affected by abnormal perioral muscle function, in addition to wearing invisible appliances without brackets, patients also need to cooperate with functional appliances such as buccal screen and lip block to adjust Perioral muscle function. In the prior art, patients generally need to wear a bracketless invisible appliance during the day to align their teeth, and wear a functional appliance at night to promote the reconstruction of the alveolar bone and the reconstruction of the maxillofacial structure. However, under normal circumstances, patients with aligned teeth need to wear invisible braces without brackets for at least 20 hours a day to achieve therapeutic effects, and functional appliances for at least 10 hours a day to achieve therapeutic effects. Therefore, it is impossible to achieve the therapeutic effect in the prior art Simultaneous tooth alignment and muscle function correction will inevitably lead to a longer treatment cycle and an increase in the number of diagnosis and treatment, thus increasing the cost of correction for patients.

Therefore, this creation provides a solution to the above problem.

The technical problem solved by this creation is to overcome the defects of the prior art, and to provide a new type of shell-shaped dental appliance with muscle function correction and a shell-shaped dental appliance set.

In order to achieve the above purpose, the technical solutions adopted in this creation are as follows: A shell-shaped dental appliance, comprising a shell-shaped body provided with a plurality of tooth-receiving cavities, the shell-shaped body is provided with a screen, the screen includes a baffle provided on the labial side and/or the buccal side protruding in the direction of the distal teeth part, and a contact part connected with the blocking part, when worn, the blocking part is in contact with the lip muscle and/or the cheek muscle, and the force exerted by the lip muscle and/or the cheek muscle on the blocking part is at least partially transmitted through the contact part to the corresponding gingiva. The contact part transmits the force exerted by part of the labial muscles and/or the cheek muscles to the corresponding gums, which increases the retention force of the shell-shaped dental appliance on the gums, and solves the problem that the shell-shaped dental appliance is easily removed from the teeth due to the small dentition of the patient. shedding problem.

Advantageously, the tooth receiving cavity has a geometry that moves at least partially received teeth from the first position to the second position.

Preferably, the contact portion has a structure for stably contacting the corresponding gum during wearing.

Preferably, the shape of the proximal surface of the contact portion substantially matches the shape of the corresponding gum, so that the contact portion fits better with the corresponding gum.

Preferably, the blocking portion is formed by at least one of the labial side and/or the buccal side of the tooth receiving cavity protruding toward the distal tooth.

Preferably, when worn, the inner surface of the blocking portion is at least partially out of contact with the outer sides of the teeth adjacent to the inner surface of the blocking portion.

Preferably, the blocking portion is protruded toward the distal teeth and disposed at the gum on the labial side and/or the buccal side of the shell-shaped body.

Preferably, the blocking portion and the contact portion have an integral structure or a separate structure.

Preferably, when the blocking portion and the contact portion are integral structures, the blocking portion is a cavitation structure protruding in the direction of the distal teeth.

Preferably, the cross-sectional shape of the blocking portion in the direction of the long axis of the tooth is one of an ellipse, a teardrop shape, a polygon, or a combination of the above shapes.

Preferably, the interior of the blocking portion is provided with fillers that enhance the strength of the blocking portion.

Preferably, when the blocking portion and the contact portion are of separate structures, the blocking portion can be fixed on the shell-like body by any one of bonding, riveting, and welding.

Preferably, when the blocking portion and the contacting portion are of separate structures, the materials of the blocking portion and the contacting portion are consistent or inconsistent.

Preferably, when the material of the blocking portion is the same as that of the contact portion, the material thickness of the blocking portion is greater than the material thickness of the contact portion.

Preferably, when the material of the blocking portion is not consistent with the material of the contact portion, the elastic modulus of the material of the blocking portion is greater than the elastic modulus of the material of the contact portion.

Preferably, the blocking portion is a solid protrusion.

Preferably, the blocking portion has a maximum height of 3 mm to 8 mm protruding in the direction of the distal teeth.

Preferably, the length of the blocking portion in the direction of the dental arch is the width of 1-6 teeth.

Preferably, the length of the blocking portion in the direction of the dental arch is the width of the entire dental arch.

Preferably, at least one reinforcing member is provided on any one or more surfaces of the proximal surface, the distal surface, the mesial surface, and the distal surface of the blocking portion.

Preferably, the reinforcing member is integrally formed with the blocking portion, and the reinforcing member is a cavitation structure whose surface curvature exceeds the surface curvature of the blocking portion.

Preferably, the reinforcing member and the blocking portion are separate structures, and the reinforcing member is fixedly mounted on the blocking portion.

Preferably, the reinforcing member is arranged on the blocking portion in the gingival-maxillary or mesio-distal direction.

Preferably, the shell-shaped body is further provided with a bow expansion device used together with the blocking portion.

Preferably, the expansion device is integral with the shell-shaped body, and both ends of the expansion device are connected to the gingival margin or adjacent to the gingival margin on the lingual side of the posterior tooth region on the left and right sides of the shell-shaped body.

Preferably, the bow expansion device and the shell-shaped body are of separate structures, and the bow expansion device is detachably mounted on the shell-shaped body.

A shell-shaped dental appliance set, comprising a first shell-shaped body and a second shell-shaped body, the first shell-shaped body is any of the above-mentioned shell-shaped dental instruments, and the second shell-shaped body is provided with a plurality of tooth storage cavity, the first shell-shaped body and the second shell-shaped body are used in cooperation.

Preferably, the second shell-shaped body is any one of the above-mentioned shell-shaped dental instruments.

Preferably, when the screen provided on the first shell-shaped body and the screen provided on the second shell-shaped body are in the same position on the long axis of the teeth, the blocking on the first shell-shaped body The length of the blocking portion on the second shell-shaped body in the direction of the long axis of the teeth does not exceed the jaw plane.

The shell-shaped dental appliance and the shell-shaped dental appliance set provided by the present creation can bring at least one of the following beneficial effects: The shield on the shell-shaped dental instrument in the present invention is provided with a blocking part and a contact part, wherein the blocking part blocks the contact between the lips, the buccal muscles and the corresponding dentition, thereby reducing the inhibition of the lateral growth of the teeth by the buccal muscles Action and inhibition of the growth of the front of the teeth by the labial muscles, stimulating the lateral or longitudinal development of the teeth; the force exerted by the labial and/or buccal muscles on the blocking portion is at least partially transmitted through the contact portion to the corresponding gingiva, enhancing shell-like dentistry The retention force of the instrument to the gums solves the problem that the shell-shaped dental instrument is easy to fall off the teeth when the patient's teeth are small.

Compared with the traditional functional appliance, the shell-shaped dental appliance of the present invention is based on the existing shell-shaped dental appliance with a screen, and the two are organically integrated, so that the shell-shaped dental appliance can be used in the alignment of the teeth. At the same time, it has the function of adjusting the oral vestibular area and the perioral tissue, which improves the patient's orthodontic comfort and shortens the orthodontic period.

In this creation, the shell-shaped dental instrument is also provided with an arch expansion device used in conjunction with the screen. The deformation of the arch expansion device induces the buccal expansion of the maxillary palatal suture bone deposition, and the effect of the posterior teeth on the arch expansion device Downward buccal lateral movement, and the buccal shield of the shell-shaped dental instrument provides sufficient space for the buccal movement of the teeth by virtue of its protruding structure in the direction of the distal teeth, so as to avoid the buccal muscles facing the teeth when the arch is expanded resistance of the bow.

In the shell-shaped dental appliance set of this creation, the upper and lower jaws wear shell-shaped dental instruments at the same time, and at least one shell-shaped dental instrument is provided with a screen, so that the upper and lower jaw teeth are aligned in three directions of length, width and height at the same time. to maximize normal growth. It reduces the steps of orthodontic treatment and shortens the period of orthodontic treatment.

In order to make the purpose, technical solutions and advantages of the present creation more clear, the present creation will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but are not used to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "level", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the creation and simplifying the description, rather than indicating or implying that A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the present creation, "plurality" means two or more, unless otherwise expressly and specifically defined.

In this creation, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present creation can be understood according to specific situations.

Referring to FIGS. 1 and 2 , the present invention includes a shell-shaped dental appliance, wherein the shell-shaped dental appliance includes a shell-shaped body 100 provided with a plurality of tooth receiving cavities, and the tooth receiving cavities wrap from the crown to the gingival margin 200 for the whole tooth. The shell-shaped body 100 is further provided with a screen 101 , and the screen 101 includes a contact portion 103 and a blocking portion 102 integrally formed with the shell-shaped body 100 . The blocking portion 102 protrudes from the lip side, buccal side or lip-buccal side of the shell-shaped body 100 toward the distal teeth, and stretches the lip-buccal mucosa to block the contact between the labial, buccal or labial-buccal muscles and the corresponding teeth, Thereby, the inhibitory effect of the labial muscle, cheek muscle or labiobuccal muscle on tooth growth is reduced, and the lateral or longitudinal development of the corresponding tooth is stimulated. The contact portion 103 is connected to the blocking portion 102. When worn, the contact portion 103 contacts the corresponding gum 300 provided with the screen 101, and the contact portion 103 has a structure for stable contact with the corresponding gum 300, specifically , the proximal gingival surface of the contact portion 103 may be a curved structure, a planar structure or a structure with convex points. Preferably, a curved surface structure that basically matches the shape of the corresponding gum 300 is adopted. Such a structure can make the contact part 103 completely fit and cover the corresponding gum 300, and enhance the control force of the shell-shaped dental instrument on the corresponding gum 300. It solves the problem that the shell-shaped dental instruments tend to fall off the teeth due to the small size of the patient's teeth, such as the primary teeth of children or the early mixed dentition of adolescents. Specifically, when the patient wears it, the blocking portion 102 blocks the force exerted by the labial muscle, the cheek muscle or the labial-buccal muscle to inhibit the growth and development of the teeth. , the pressure of the cheek muscle or the lip-cheek muscle is transmitted to the corresponding gum 300 in contact with the contact part 103, thereby enhancing the control force of the shell-shaped dental instrument on the corresponding gum 300 during wearing, so that it is not easy to fall off the teeth. . In addition, it should be noted that the tooth receiving cavity may have a function of aligning teeth. Specifically, the tooth receiving cavity has a geometric structure for moving at least part of the received teeth from the first position to the second position. The first position may be the initial position of the teeth in any orthodontic step, and the corresponding second position may be the target position of the teeth in this step; of course, the tooth receiving cavity may not have the function of aligning the teeth.

In some embodiments, as shown in FIGS. 3-5 , the blocking portion 102 is formed by at least one labial side and/or buccal side of the tooth receiving cavity that protrudes toward the distal direction. Preferably, the lip side or buccal side of the tooth receiving cavity protrudes toward the distal direction to form a blocking portion 102 , and the blocking portion 102 is integrally formed with the shell-shaped body 100 , that is, the screen is integrally formed with the shell-shaped body. When the blocking portion 102 protrudes from one or more tooth receiving cavities toward the distal direction, the blocking portion 102 can be selected to be formed on either side of the two buccal surfaces to protrude toward the distal tooth or both Both sides are convex towards the distal direction. Referring to the shell-shaped dental instrument shown in FIG. 3 , the blocking portion 102 is formed by one or more tooth receiving cavities that protrude toward the distal direction respectively (the dotted line is the shape when the tooth receiving cavity is not protruding toward the distal direction) After the patient wears it, the inner surface of the blocking part 102 does not contact the outer surface of the teeth adjacent to the inner surface of the blocking part 102, so as to prevent the blocking part 102 from exerting undesired force on the teeth. The blocking among the plurality of blocking parts 102 can increase the strength of the buccal side of the blocking parts 102, and the blocking parts 102 are not easily deformed after wearing. Referring to the shell-shaped dental instrument shown in FIG. 4 , the blocking portion 102 is formed by one or more tooth receiving cavities that protrude toward the distal teeth together. Similarly, after the patient wears it, the inner surface of the blocking portion 102 is closely aligned with the adjacent blocking portion. 102 The inner surface of the tooth does not touch the outer side of the tooth, which eliminates the force exerted by the blocking portion 102 on the tooth to the greatest extent possible.

Referring to FIG. 5 , the shell-shaped body 100 and the screen 101 are integrally formed, and the surface of the blocking portion 102 adjacent to the cheek muscle can be set to a smooth curved surface, so that the patient will not have a strong foreign body sensation after wearing, and the patient will be improved. of comfort. In this embodiment, the tooth receiving cavity with the blocking portion 102 is not strong in controlling the corresponding teeth, and the tooth receiving cavity in this area is not strong enough to correct the teeth. When the shell-shaped dental instrument 100 is produced, the processing difficulty is less, and the demolding is easier. Referring to the shell-shaped dental appliance shown in FIG. 6 , in order to enhance the control ability of the tooth receiving cavity or the shell-shaped dental appliance to the corresponding teeth in the embodiment of FIG. a (the area pointed by the arrow in FIG. 6 ) contacts, so that the area of the tooth receiving cavity encapsulated by the crown of the corresponding tooth is increased, thereby increasing the tooth receiving cavity or shell while maintaining the blocking of the buccal muscle by the blocking part 102 The ability of the dental instrument to control the corresponding teeth.

In other embodiments, as shown in FIG. 7 , the blocking portion 102 is protruded toward the distal teeth and disposed on the gums on the labial side and/or the buccal side of the shell-like body 100 , covering part of the tooth receiving cavity adjacent to the lip Muscle and/or buccal muscle surface and part of the gingival surface. Compared with the structure in which the blocking portion 102 is formed by the tooth receiving cavity directly protruding toward the distal teeth, this structure is characterized in that the tooth receiving cavity corresponding to the blocking portion 102 has a larger wrapping area for the teeth, and the shell-shaped dental instrument has a larger area for the teeth. The overall control force is stronger, and the setting of the blocking portion 102 does not affect the orthodontic force of the corresponding teeth of the shell-shaped dental appliance. The blocking portion 102 and the contact portion 103 may be an integral structure or a separate structure. When the blocking portion 102 and the contact portion 103 are integrally formed, that is, the shield and the shell body 100 are integrally formed. The blocking portion 102 is a hollow structure protruding toward the distal direction. The cross-sectional shape of the vacuoles in the direction of the long axis of the tooth is one of an ellipse, a droplet, a polygon, or a combination of the above shapes. It is preferably an oval shape, a teardrop shape or a combination of the two, and its smooth curved structure can make the blocking part 102 fit better with the patient's labial muscles and/or cheek muscles, thereby reducing the discomfort of the patient. At the same time, the pressure exerted by part of the lip muscle and/or the cheek muscle can be dispersed, so that the pressure exerted by the lip muscle and/or the cheek muscle on the blocking part 102 will not be transmitted to the corresponding teeth too much.

The interior of the blocking portion 102 may be provided with a filler to enhance the strength and/or rigidity of the blocking portion 102 to prevent the blocking portion 102 from being deformed due to excessive pressure exerted by the lip muscle and/or the cheek muscle on the blocking portion 102, so that the blocking portion 102 is deformed. 102 loses the function of isolating the lip muscle and/or cheek muscle and the corresponding teeth, the setting of the filling further ensures the strength of the blocking part 102, so that the corresponding teeth have sufficient space for horizontal or vertical growth, and the filling can be in line with oral medical standards. Glass resin material.

In other embodiments, when the blocking portion 102 and the contact portion 103 are separate structures, the contact portion 103 and the shell body 100 are integrally formed. The blocking portion 102 can be fixed on the shell-like body 100 by any one of bonding, riveting, and welding. Preferably, the blocking portion 102 is fixed on the shell-like body 100 by using an adhesive, and the manufacturing process is more complicated. Simple and good for mass production. When the material of the blocking part 102 and the contact part 103 are the same, the blocking part 102 can increase the rigidity by increasing the thickness. When the material of the blocking portion 102 and the contacting portion 103 are inconsistent, the blocking portion 102 can be made of a material whose elastic modulus is greater than that of the contacting portion 103 to increase rigidity, such as metal, ceramic or other polymer materials.

In other embodiments, as shown in FIG. 8 , the maximum height L1 of the blocking portion protruding in the distal direction of the shield 101 disposed on the labial side is 3 mm˜8 mm. The thickness of the blocking part can be set to 2.5mm~3.0mm, and the gap between the inner surface of the blocking part adjacent to the outer surface of the tooth and the outer surface of the corresponding tooth is set to a minimum of 3.0mm, the purpose of which is to reduce the lip muscle and/or the cheek muscle. Inhibitory effect on tooth growth. The length of the screen 101 in the direction of the dental arch is the width of 1-6 teeth or the width of the entire dental arch, and the screen 101 can also be arranged on the labial, buccal or buccal (refer to Figure 9) , which can be set on both sides or on one side when set on the buccal side. The screen 101 arranged on the lip side can eliminate the pressure of part of the lip on the jawbone, and at the same time pull the local alveolar bone periosteum to stimulate the alveolar bone labial bone deposition. Secondly, setting the screen 101 on the labial side and the buccal side at the same time can also pull the periosteum at the vestibular groove and stimulate the growth and development of the corresponding alveolar bone.

In other embodiments, any one or more surfaces of the proximal surface, the distal surface, the mesial surface, and the distal surface of the blocking portion 102 are provided with at least one reinforcing member 104 for strengthening the rigidity of the blocking portion 102 . . Preferably, it is disposed on any surface except the distal tooth surface, to avoid the contact of the reinforcing member 104 with the labial and/or cheek muscles, and to improve the comfort of the patient wearing the shell-shaped dental appliance. The disposition direction of the reinforcing member 104 can be disposed along the gingival-maxillary direction or the mesio-distal direction. The reinforcing member 104 and the blocking portion 102 can be an integral structure or a separate structure. When the reinforcing member 104 and the blocking portion 102 are integrally formed, as shown in FIGS. 10 and 11 , the reinforcing member 104 is a cavitation structure whose surface curvature exceeds the surface curvature of the blocking portion 102 , and the cavitation structure can be directed toward The outward bulge or inward concave increases the strength of the barrier 102 by increasing the surface area of the barrier 102, preventing it from deforming under the pressure exerted by the labial and/or cheek muscles. The cavitation structure can be a plurality of convex or concave dot structures or one or more convex or concave oval structures. In addition, the reinforcing member can be a reinforcing rib pasted on any one or more surfaces of the proximal surface, the distal surface, the mesial surface, and the distal surface, which can also increase the rigidity of the blocking portion 102. I won't go into details here.

In other embodiments, as shown with reference to the shell-shaped dental instrument in FIG. 12 , the shell-shaped body 100 is further provided with an expanding device 105 for use with the blocking part 102 , and the expanding device 105 and the shell-shaped body 100 is a one-piece structure, and both ends of the arch expansion device 105 are connected to the gingival margin or adjacent to the gingival margin of the lingual side of the posterior tooth region on the left and right sides of the first shell-shaped body 100 . Alternatively, the bow expanding device 105 and the shell-like body 100 are separate structures, and the bow expanding device 105 is detachably mounted on the shell-like body 100 . The arch expansion device 105 is generally suitable for a shell-shaped dental appliance to be worn on the upper jaw, and by applying a horizontal force to one or more teeth in the posterior region, the unclosed midpalatal suture can be stretched to stimulate the deposition of new bone in the suture. , thereby stimulating the growth of the jawbone, increasing the width of the dental arch and improving the shape of the dental arch. The shield eliminates the reverse inhibitory effect exerted by some labial muscles and/or cheek muscles on the corresponding teeth during arch expansion, thereby achieving a better arch expansion effect. On the shell-shaped arch expansion device without a screen, the buccal muscles tend to be negatively inhibited by the buccal muscles when expanding the arch, resulting in an inconspicuous effect of expanding the arch and failing to achieve the desired orthodontic effect. In the shell-shaped dental appliance in this embodiment, when the arch is expanded, the shielding structure is arranged on the shell-shaped appliance to reduce the pressure exerted by the cheek muscles on the corresponding teeth, so that the effect of expanding the arch is obvious, which is of great significance .

The present invention also provides a shell-shaped dental appliance set, including a first shell-shaped body and a second shell-shaped body, where the first shell-shaped body is the shell-shaped dental appliance in any of the above embodiments, and the second shell-shaped body is the shell-shaped dental appliance in any of the above embodiments. The shell-shaped body is provided with a plurality of tooth receiving cavities, and the first shell-shaped body and the second shell-shaped body are used together. The second shell-like body may also be configured as a shell-like dental instrument as in any of the above-mentioned embodiments. Both the first shell-like body and the second shell-like body can be provided with screens on the labial side, the buccal side, and the labial and buccal side. When the screen provided on the first shell-shaped body and the screen provided on the second shell-shaped body are in the same position on the long axis of the teeth, the blocking portion on the first shell-shaped body and the The length of the blocking portion on the second shell-shaped body in the direction of the long axis of the teeth does not exceed the jaw plane. The purpose is that the blocking portion provided on the first shell-shaped body and the second shell-shaped body do not affect each other during the patient fitting process, thereby improving the accuracy of correction.

The above detailed description is a specific description of a feasible embodiment of this creation, but the embodiment is not intended to limit the patent scope of this creation. within the scope of the patent in this case.

100: shell body 200: Teeth 300: corresponding to the gums 101: Screen 102: Blocking part 103: Contact part 104: Reinforcing components 105: Bow expansion device

1 is a schematic diagram of one embodiment of creating a shell-shaped dental instrument; Fig. 2 is the top schematic view of the shell-shaped dental instrument in Fig. 1; 3 is a schematic diagram of another embodiment of creating a shell-shaped dental instrument; 4 is a schematic diagram of another embodiment of creating a shell-shaped dental appliance; FIG. 5 is a schematic cross-sectional view along the A-A direction of FIG. 4; 6 is a schematic diagram of another embodiment of creating a shell-shaped dental appliance; 7 is a schematic diagram of another embodiment of creating a shell-shaped dental instrument; FIG. 8 is a schematic diagram of another embodiment of creating a shell-shaped dental instrument; 9 is a schematic diagram of another embodiment of creating a shell-shaped dental appliance; 10 is a schematic diagram of another embodiment of creating a shell-shaped dental appliance; Fig. 11 is the schematic diagram of I region enlargement in Fig. 10; Figure 12 is a schematic diagram of another embodiment of creating a shell-shaped dental appliance.

100: shell body

101: Screen

Claims (14)

A shell-shaped dental appliance, comprising a shell-shaped body provided with a plurality of tooth-receiving cavities, characterized in that the shell-shaped body is provided with a screen, the screen includes a distal direction disposed on the labial side and/or the buccal side A protruding blocking part, and a contact part connected to the blocking part, when worn, the blocking part is in contact with the lip muscle and/or the cheek muscle, and the force exerted by the lip muscle and/or the cheek muscle on the blocking part is at least partially passed through The contact portion is transmitted to the corresponding gingiva. The shell-shaped dental appliance of claim 1, wherein the tooth receiving cavity has a geometric structure that moves at least a portion of the received teeth from the first position to the second position. The shell-shaped dental appliance according to claim 1, wherein the contact portion has a structure for stably contacting the corresponding gum when worn. The shell-shaped dental appliance according to claim 3, wherein the shape of the proximal surface of the contact portion substantially matches the shape of the corresponding gingiva. The shell-shaped dental instrument according to claim 1, wherein the blocking portion is formed by at least one labial side and/or buccal side of the tooth receiving cavity that protrudes toward the distal direction. The shell-shaped dental instrument according to claim 5, characterized in that, when worn, the inner surface of the blocking portion is at least partially not in contact with the outer side surfaces of the teeth adjacent to the inner surface of the blocking portion. The shell-shaped dental instrument according to claim 1, wherein the blocking portion is disposed protrudingly toward the distal teeth at the gums on the labial side and/or the buccal side of the shell-shaped body. According to the shell-shaped dental instrument as claimed in claim 7, the blocking part and the contact part have an integral structure or a separate structure. The shell-shaped dental instrument according to claim 8, wherein when the blocking portion and the contact portion are integrally formed, the blocking portion is a hollow structure protruding in the direction of the distal teeth. The shell-shaped dental instrument according to claim 9, wherein the cross-sectional shape of the blocking portion in the direction of the long axis of the teeth is one of an ellipse, a teardrop, a polygon, or a combination of the above shapes. The shell-shaped dental instrument according to claim 10, wherein the interior of the blocking portion is provided with a filler that enhances the strength of the blocking portion. The shell-shaped dental instrument according to claim 8, wherein when the blocking part and the contact part are separate structures, the blocking part can be fixed to the shell-shaped dental instrument by any one of bonding, riveting and welding. on the body. The shell-shaped dental instrument according to claim 8, wherein when the blocking portion and the contact portion are separate structures, the materials of the blocking portion and the contact portion are consistent or inconsistent. The shell-shaped dental instrument according to claim 13, wherein when the material of the blocking portion and the contact portion are the same, the material thickness of the blocking portion is greater than the material thickness of the contact portion.

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