CN216933525U - Preformed accessories - Google Patents

Abstract

The utility model provides a preformed accessory, which comprises an accessory bottom plate adhered to the surface of a tooth and an accessory correcting part matched with an accessory accommodating cavity arranged on an invisible tooth correcting device to enable the tooth to gradually change from an initial position to a target correcting position, wherein the accessory bottom plate is detachably connected with the accessory correcting part and comprises an adhesive surface and an action surface, the adhesive surface is adhered to the surface of the tooth, and a first action part movably connected with the accessory correcting part is arranged on the action surface; the side of the accessory correcting part, which is adjacent to the tooth surface, is also provided with a second acting part which is matched with the first acting part, and the first acting part is movably connected with the second acting part. The pre-formed accessory has a standard shape matched with the appliance, so that the tooth correction moving effect can be matched with the correction plan when correction is carried out; the on-site operation beside the doctor chair is not needed, so that the time beside the patient chair is reduced; when the accessories need to be replaced in the correcting process, the operation is convenient.

Description

Preformed accessories

Technical Field

The utility model belongs to the field of medical instruments, and relates to a preformed accessory.

Background

The invisible tooth appliance is more and more accepted and used by the majority of orthodontic patients due to the advantages of beautiful appearance, sanitation, convenient taking and wearing and better correction effect. The ware is rescued to stealthy tooth is the shell-like structure that can wrap up the tooth that transparent macromolecular material made, and it can be rescued some pertinence cases to have the effect of rescuing of preferred, but the application that ware was rescued to stealthy tooth receives its structure and material influence, or with the effect influence of the power that tooth interact produced, can wear the phenomenon of the power decay of rescaling after the patient. Orthodontics mainly correct with strength, and correct the ware and be a device of treatment malocclusion deformity, it can produce the effort, and wherein activity is corrected ware, the function is corrected ware and is fixed to be rescued the three big systems of correcting the technique jointly. Wherein, stealthy ware is being rescued the in-process, need combine the annex to correct usually, and the annex is rescued its vacuole interact of parcel that sets up on the ware with stealthy, reaches supplementary the effect of correcting and increasing stealthy ware and tooth retention force of rescuring. In the prior art, the method for installing the attachment on the tooth is that a clinician uses an attachment template to manufacture and install the attachment with a preset shape on the tooth of a patient on site, and the specific method comprises the following steps: 1) trying on an accessory template, and checking whether the edge is sealed; 2) treating the corresponding tooth surface with 37% phosphoric acid for 15 seconds, and washing and drying; 3) coating an adhesive, and photocuring for 10 seconds; 4) filling the template with fluid resin, and optionally punching small holes at the attachment position to allow the excess resin to flow out automatically after the template is in place; 5) wearing an accessory template, and performing photocuring for 20 seconds; 6) using a small-size ball drill to perform shape trimming and polishing on the edge of the accessory; 7) finally, the tooth socket is put in to check whether the tooth socket is closed. However, the above method is a clinician chair-side field operation, which makes the patient chair-side longer. In addition, the accessory is arranged on the surface of the tooth by utilizing the accessory template, the shape prepared by the accessory has a great relationship with the operation level of a clinician, if the operation is improper, the surface shape of the prepared accessory is often different from the preset shape, if bubbles are notched or are out of the range of a preset area, the problem can directly influence the subsequent correction effect when the invisible correction device is worn.

Therefore, the prefabricated accessory is researched, the operation time beside the chair of a doctor is shortened, and the prefabricated accessory which can be conveniently replaced according to the actual correction requirement has important significance.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects in the prior art and provide a preformed attachment, wherein the standard shape matched with a correcting appliance can ensure that the tooth correcting moving effect is consistent with the correcting plan when the tooth is corrected; the on-site operation beside the doctor chair is not needed, so that the time beside the patient chair is reduced; when the accessories need to be replaced in the correcting process, the operation is convenient.

The utility model solves the technical problems through the following technical scheme:

a pre-formed accessory comprises an accessory bottom plate adhered to the surface of a tooth and an accessory correcting part matched with an accessory accommodating cavity arranged on an invisible tooth correcting device to enable the tooth to gradually change from an initial position to a target correcting position, wherein the accessory bottom plate is detachably connected with the accessory correcting part and comprises an adhesive surface and an acting surface, the adhesive surface is adhered to the surface of the tooth, and a first acting part movably connected with the accessory correcting part is arranged on the acting surface; the side, adjacent to the tooth surface, of the accessory correcting part is also provided with a second acting part matched with the first acting part, and the first acting part is movably connected with the second acting part.

Further, the first acting part is connected with the second acting part in a clamping mode.

Further, the first acting part is convexly arranged on the acting surface, and the second acting part is concavely arranged on the accessory correcting part; or, the first acting part is concavely arranged on the acting surface, and the second acting part is convexly arranged on the accessory correcting part.

Further, the mesial-distal width of the first acting part adjacent to the tooth cusp is larger than the mesial-distal width adjacent to the gum; or the mesial-distal width of the first acting part adjacent to the tooth cusp is the same as or approximately the same as the mesial-distal width adjacent to the gum.

Further, the first acting part is arranged along the edge of the accessory bottom plate, or the first acting part is arranged at a distance from each edge of the accessory bottom plate.

Further, the accessory correction portion matches the shape of the accessory receiving cavity.

Further, the shape of the surface of the accessory correcting part, which is in contact with the accessory accommodating cavity, is a regular three-dimensional stereo structure or an irregular three-dimensional stereo structure.

Further, the regular three-dimensional structure is any one of a cube, a cuboid with a chamfer, a cylinder, a partial ellipsoid or a partial sphere; the irregular three-dimensional structure is a combination of any two or more than two of a cube, a cuboid with a chamfer, a cylinder, a partial ellipsoid or a partial sphere.

Furthermore, the first acting part and the second acting part are also provided with stabilizing parts which interact with each other to increase friction.

Further, the width of the preformed attachment in the bucco-lingual or labial-lingual direction is 2.5mm-3.0 mm.

Compared with the prior art, the utility model has the beneficial effects that at least:

the accessory pre-forming part comprises an accessory bottom plate and an accessory correcting part, wherein the accessory bottom plate can enable the accessory pre-forming part to be installed on the surface of teeth, the accessory bottom plate can be installed on the teeth of a patient at the beginning of correction of the patient, the accessory correcting part with the required shape is installed on the accessory bottom plate according to a correction plan, when the accessory correcting part needs to be replaced midway in the correction plan, the previous accessory correcting part and the accessory correcting part needed subsequently can be replaced, the accessory bottom plate is not replaced, the on-site operation beside a doctor chair is not needed, the time beside the chair of the patient is shortened, and the pain that the patient needs to be polished flat when the accessory is replaced midway is also reduced. In addition, be equipped with swing joint's first effect portion and second effect portion on annex bottom plate and the annex correction portion respectively, both interact realizes the installation and the dismantlement of annex bottom plate and annex correction portion, when not only conveniently correcting the in-process and need changing the annex, quick operation still makes the annex before changing and after the change all with correct the mounted position and the shape phase-match of plan in the annex, correct the effect better.

Drawings

Fig. 1 is a schematic structural diagram of a preform attachment 1 according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an accessory base plate and an accessory correction portion constituting a pre-formed accessory 1 according to an embodiment of the present invention.

Fig. 3 is a schematic view of the assembly process of the preform attachment 1.

Fig. 4 is a schematic view of the structure of the attachment 1 for mounting on a tooth.

Fig. 5 is a partially enlarged view of fig. 4.

FIG. 6 is a schematic view of the invisible dental appliance before installation on a tooth.

FIG. 7 is a schematic view of the invisible dental appliance after installation and application to the teeth.

Fig. 8 is a cross-sectional view a-a' of fig. 7.

Fig. 9 is a schematic structural diagram of a preform-accessory 2 according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a preform-accessory 3 according to an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a preform attachment 4 according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.

When the patient utilizes the invisible correction to correct, the effect that the teeth are gradually aligned from the initial position to the target correction position is realized through the cooperation with the accessories; however, the accessory is installed on the surface of the tooth by using the accessory template, the shape of the accessory prepared by the accessory has a great relationship with the operation level of a clinician, if the operation is not proper, the surface shape of the prepared accessory is often different from the preset shape, if bubbles are broken, or the shape is out of the range of a preset area, the problem can directly influence the subsequent correction effect when the invisible appliance is worn. This application adopts prefabricated fashioned annex to install on the tooth surface, not only saves the time of the other on-the-spot installation of doctor's chair, can also carry out accurate control and use to the shape of annex and select for the effect is rescued in patient's actual mouth and the plan is coincide with correcting.

Examples

A preformed attachment 1, as shown in fig. 1-8, comprises an attachment base plate 11 adhered to the surface of a tooth and an attachment correction portion 12 matched with an attachment accommodating cavity 101 arranged on an invisible tooth corrector 10 to enable the tooth to gradually change from an initial position to a target correction position, wherein the attachment base plate 11 is detachably connected with the attachment correction portion 12, the attachment base plate 11 comprises an adhesive surface 111 and an action surface 112, the adhesive surface 111 is adhered to the surface of the tooth, and a first action portion 1121 movably connected with the attachment correction portion 12 is arranged on the action surface 112; the attachment correction portion 12 is further provided with a second action portion 121 engaged with the first action portion 1121 at a side adjacent to the tooth surface, and the first action portion 1121 is movably connected to the second action portion 121. The attachment base plate 11 can enable the preformed attachment 1 to be installed on the surface of a tooth, the attachment base plate 11 can be installed on the tooth of a patient at the beginning of correction of the patient, the attachment correction portion 12 with a required shape is installed on the attachment base plate 11 according to a correction plan, when the attachment correction portion 12 needs to be replaced midway in the correction plan, the previous attachment correction portion and the subsequent required attachment correction portion can be replaced, the attachment base plate 11 is not replaced, on-site operation beside a doctor chair is not needed, the time beside the chair of the patient is shortened, and the pain that the patient needs to polish and polish the attachment when the attachment is replaced midway is reduced. In addition, the first action part 1121 and the second action part 121 which are respectively arranged on the accessory base plate 11 and the accessory correction part 12 interact with each other to realize the installation and the disassembly of the accessory base plate 11 and the accessory correction part 12, so that the quick operation is convenient when the accessory needs to be replaced in the correction process, the accessories before and after replacement are matched with the installation positions and the shapes of the accessories in the correction plan, and the correction effect is better. In a preferred embodiment, the first acting portion 1121 is connected to the second acting portion 121 in a snap-fit manner, specifically, the first acting portion 1121 is disposed on the acting surface 112 in a protruding manner, and the second acting portion 121 is disposed on the accessory correcting portion 12 in a recessed manner; at this moment, the two can be fixed in a sliding clamping manner, so that the installation is convenient, the disassembly and the replacement are convenient, and if the shape of the accessory needs to be changed in the correction process, the accessory correction part 12 can be conveniently disassembled from the accessory bottom plate 11 to replace different accessory correction parts. In another embodiment, the first acting portion 1121 is recessed in the acting surface 112, and the second acting portion 121 is raised in the accessory correcting portion 12, so that the second acting portion 121 can be engaged with the first acting portion 1121, thereby facilitating the mounting and dismounting operations.

In one embodiment, the accessory correction device 12 matches the shape of the accessory receiving cavity 101, as shown in fig. 6-8. More specifically, the attachment correction portion 12 matches the shape of the attachment receiving cavity 101, and the interaction between the attachment correction portion and the attachment receiving cavity produces corresponding acting force, so that the teeth gradually change from the initial position to the target correction position according to the correction plan. The accessory correcting part 12 is matched with the accessory accommodating cavity 101 in shape, and the specific meaning of the matching of the shapes of the two parts includes that the shapes of the two parts are similar, at least one surface of the two parts is in contact with each other to generate an interaction force, and the two parts are matched with each other to generate at least one of the interaction forces. In a more preferred embodiment, the shape of the surface of the accessory correcting portion 12 in contact with the accessory receiving cavity 101 is a regular three-dimensional structure or an irregular three-dimensional structure. In a more preferred embodiment, the regular three-dimensional structure is any one of a cube, a cuboid with a chamfer, a cylinder, a partial ellipsoid or a partial sphere; in the process of tooth correction plan design, attachments of different shapes are pasted on teeth according to design requirements, tooth movement and retention with the invisible tooth corrector are assisted, the surface shape of the attachment correction part 12 in the embodiment interacts with the surface of the attachment accommodating cavity 101 to generate the effects of assisting tooth movement and retention with the invisible tooth corrector, the surface shape of the attachment correction part 12 interacts with the surface of the attachment accommodating cavity 101 to generate corresponding acting force, and the acting force is set in a targeted mode through the shape of the surface of the attachment correction part 12 contacting with the attachment accommodating cavity 101. In another preferred embodiment, the irregular three-dimensional structure is a combination of any two or more of a cube, a cuboid with a chamfer, a cylinder, a partial ellipsoid or a partial sphere. This combination form can be more pertinence correct the required effort of tooth and carry out the design of annex correction portion 12 and the shape of the surface that annex holding chamber 101 contacted, when both carry out the interact and produce the effort, can carry out the pertinence design to the contact surface that direction of action, action angle correspond according to irregular three-dimensional structure shape, and is better to individualized intraoral treatment.

In one embodiment, the first acting portion 1121 is disposed along the edge of the attachment base plate 11, or the first acting portion 1121 is disposed at a distance from each edge of the attachment base plate 11. More specifically, the first acting portion 1121 may be disposed at an edge of the accessory base plate 11 or may be disposed at a non-edge of the accessory base plate 11. As shown in fig. 2, when the first acting portion 1121 is disposed at the edge of the attachment base plate 11, and the first acting portion 1121 interacts with the second acting portion 121, the installation starting point is clear, and the installation position is clear when the clinician performs a chair-side operation. As fig. 9 and 11 show, the preform attachment 2 and the first active part of the preform attachment 4 are likewise arranged at the edge of the attachment base plate, and both have different embodiments. As shown in fig. 10, the preformed attachment 3 includes an attachment base plate 31 adhered to the surface of the tooth and an attachment correction portion 32 cooperating with an attachment receiving cavity provided on the invisible dental appliance to gradually change the tooth from an initial position to a target correction position, the attachment base plate 31 is detachably connected to the attachment correction portion 32, the attachment base plate 31 includes an adhesive surface 311 and an action surface 312, the adhesive surface 311 is adhered to the surface of the tooth, and the action surface 312 is provided with a first action portion 3121 movably connected to the attachment correction portion 32; the accessory correcting portion 32 is further provided with a second acting portion 321 which is matched with the first acting portion 3121 on the side close to the tooth surface, the first acting portion 3121 is movably connected with the second acting portion 321, when the first acting portion 3121 is arranged at a distance from each edge of the accessory bottom plate 31, the interaction force between the first acting portion 3121 and the second acting portion 321 is closer to the central position of the preformed accessory, and when the preformed accessory interacts with the invisible orthodontic appliance, the expression rate of the interaction force between the preformed accessory and the invisible orthodontic appliance is higher, so that the efficiency of gradually changing the tooth from the initial position to the target correcting position is higher.

In one embodiment, as shown in fig. 9, the preformed attachment 2 comprises an attachment base plate 21 adhered to the surface of a tooth and an attachment correction portion 22 matched with an attachment receiving cavity arranged on the invisible dental appliance to gradually change the tooth from an initial position to a target correction position, the attachment base plate 21 is detachably connected with the attachment correction portion 22, the attachment base plate 21 comprises an adhesive surface 211 and an action surface 212, the adhesive surface 211 is adhered to the surface of the tooth, and a first action portion 2121 movably connected with the attachment correction portion 22 is arranged on the action surface 212; the attachment correcting portion 22 is further provided with a second acting portion 221 adjacent to the tooth surface for cooperating with the first acting portion 2121, the first acting portion 2121 is movably connected with the second acting portion 221, and the mesial-distal width of the first acting portion 2121 adjacent to the tooth cusp is larger than the mesial-distal width adjacent to the gum. When the accessory bottom plate 21 and the accessory correction part 22 are installed, the invisible dental appliance is worn in combination, so that the accessory correction part 22 can be effectively prevented from slipping off the accessory bottom plate 21, the interaction stability of the accessory bottom plate 21 and the accessory correction part 22 is improved, the accessory correction part 22 can be effectively prevented from falling off the accessory bottom plate 21, the invisible dental appliance is wrapped by a preformed accessory, and double guarantee is provided for the stability of the accessory bottom plate 21 and the stability of the accessory correction part 22. In another embodiment, the mesial-distal width of the first active portion 2121 adjacent the cusps is the same or approximately the same as the mesial-distal width adjacent the gums. More specifically, the mesial-distal width of the first active portion 2121 adjacent to the cusp and the mesial-distal width adjacent to the gum can be specifically set according to whether the preformed attachment is mounted on the upper jaw or the lower jaw, for example, when the preformed attachment is mounted on the upper jaw teeth, in order to make the attachment base plate 21 and the attachment correction portion 22 more stable and less likely to fall off after fitting, the mesial-distal width of the first active portion 2121 adjacent to the cusp is slightly greater than or equal to the mesial-distal width adjacent to the gum edge, so that the attachment correction portion 22 is more stable when mounted on the attachment base plate 21, and the first active portion 2121 on the attachment base plate 21 can receive the attachment correction portion 22 when worn, so that the fitting operation of the two portions is more stable. For example, when the preformed attachment is mounted on the mandibular teeth, in order to make the attachment base plate 21 and the attachment correction portion 22 more stable and less prone to fall off after fitting, the proximal-distal width of the first acting portion 2121 adjacent to the cusp may be slightly smaller than or equal to the proximal-distal width adjacent to the gingival margin, so that the attachment correction portion 22 is more stable when mounted on the attachment base plate 21, and the first acting portion 2121 on the attachment base plate 21 can receive the attachment correction portion 22 when worn, so that the fitting effect between the attachment base plate 21 and the attachment correction portion 22 is more stable.

In one embodiment, as shown in fig. 11, the preformed attachment 4 includes a first acting portion 4121 and a second acting portion 421, and a stabilizer portion for increasing friction is provided on the first acting portion and the second acting portion. The first stabilizing portion 4131 is a stabilizing portion arranged on the first acting portion 4121, and is arranged on the second acting portion 421, and is matched with the first stabilizing portion 4131 to realize the second stabilizing portion 4211 for increasing the friction effect, wherein the first stabilizing portion 4131 can be arranged on the proximal and distal surfaces of the first acting portion 4121, and can also be arranged on the surface of the first acting portion 4121 on the side far away from the teeth, and can also be arranged on the proximal and distal surfaces of the first acting portion 4121 and the surface of the first acting portion 4121 on the side far away from the teeth. The second stabilizer 4211 may be correspondingly provided according to the arrangement of the first stabilizer 4131. In addition, a specific embodiment of the friction increasing manner of the two structures is that both surfaces have concave-convex matching structures, or both surfaces are provided with rough structures, so as to increase the surface friction force of the contact between the two surfaces.

In one embodiment, preform accessory 1 has a width in the bucco-lingual direction of 2.5mm to 3.0 mm. The preformed attachment comprises an attachment base plate and an attachment correcting portion, the whole width of the attachment base plate and the attachment correcting portion in the buccal and lingual side direction or the labial and lingual side direction is 2.5mm-3.0mm after the attachment base plate and the attachment correcting portion are movably connected, the width is similar to the width of a conventional attachment stuck on the surface of a tooth, a patient does not have obvious foreign body sensation in the mouth when wearing the attachment base plate, and the attachment base plate and the attachment correcting portion are matched with the invisible tooth corrector to generate enough correcting force to align the teeth.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims (10)

1. The preformed attachment is characterized by comprising an attachment base plate adhered to the surface of a tooth and an attachment correcting part matched with an attachment accommodating cavity arranged on an invisible tooth correcting device to enable the tooth to gradually change from an initial position to a target correcting position, wherein the attachment base plate is detachably connected with the attachment correcting part and comprises an adhesive surface and an acting surface, the adhesive surface is adhered to the surface of the tooth, and a first acting part movably connected with the attachment correcting part is arranged on the acting surface; the side, adjacent to the tooth surface, of the accessory correcting part is also provided with a second acting part matched with the first acting part, and the first acting part is movably connected with the second acting part.

2. The pre-formed accessory of claim 1, wherein the first active portion is snap-fit to the second active portion.

3. The pre-attachment of claim 2, wherein the first active portion is convex to the active surface and the second active portion is concave to the attachment correction portion; or, the first acting part is concavely arranged on the acting surface, and the second acting part is convexly arranged on the accessory correcting part.

4. The pre-attachment of claim 3, wherein the first active portion has a mesial-distal width adjacent the cusps that is greater than a mesial-distal width adjacent the gums; or the mesial-distal width of the first acting portion adjacent to the tooth cusp is the same as or approximately the same as the mesial-distal width adjacent to the gum.

5. The pre-formed attachment of claim 1, wherein the first active portion is disposed along an edge of the attachment base plate or is disposed a distance from each edge of the attachment base plate.

6. The pre-accessory as in claim 1, wherein the accessory correction portion matches a shape of the accessory-receiving cavity.

7. The pre-accessory according to claim 6, wherein the surface of the accessory correction device in contact with the accessory receiving cavity has a shape of a regular three-dimensional solid structure or an irregular three-dimensional solid structure.

8. The pre-formed accessory according to claim 7, wherein the regular three-dimensional solid structure is any one of a cube, a cuboid with chamfers, a cylinder, a partial ellipsoid or a partial sphere; the irregular three-dimensional structure is a combination of any two or more than two of a cube, a cuboid with a chamfer, a cylinder, a partial ellipsoid or a partial sphere.

9. The preformed attachment of claim 1, wherein the first and second active portions are further provided with interactive friction-increasing stabilizers thereon.

10. The pre-formed accessory according to claim 1, wherein the width of the pre-formed accessory in the bucco-lingual or labio-lingual direction is 2.5mm to 3.0 mm.

Images