CN218128811U - Oral arch expansion appliance - Google Patents

Abstract

The utility model discloses an oral cavity is with expanding bow unscrambler, this expand bow unscrambler is including expanding the bow pterygoid lamina, expand the bow base, tongue flank board and expand the bow subassembly, expand the bow base setting and expanding between bow pterygoid lamina and tongue flank board, expand the bow subassembly setting between two relative inner walls of tongue flank board, expand the bow pterygoid lamina, expand bow base and tongue flank board and all be the U-shaped and form the I shape U-shaped groove structure who holds teethridge and tooth jointly, expand the bow subassembly and include two connecting portions and a body of rod, two connecting portions are connected respectively in two relative inner walls of tongue flank board, the body of rod setting between two connecting portions and with two connecting portion threaded connection. The utility model discloses an adjustment body of rod will expand the bow unscrambler and expand the bow, realizes that I shape U-shaped recess supports the correction to expanding the bow of oral cavity tooth, need not to polish repeatedly, adjust and try on the debugging, and simple structure, installation are convenient, are applicable to non professional and install the correction, possess stronger practicality.

Description

Oral arch expansion appliance

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to an oral cavity is with expanding bow unscrambler.

Background

The ideal neutral molar relationship is the target of orthodontic treatment. Patients with narrow maxillary arch and crowded dentition in Anshi class II usually adopt tooth extraction and molar movement to achieve neutral molar relationship. The molar distalization and buccal expansion can both obtain the clearance required by improving the crowding of dentition, play a role in adjusting the occlusion relationship and ensure that the correction process is simple and quick. The treatment of the teenager's Anshi class II malocclusion can adopt the functional appliance to reposition the mandible position to promote the growth of the mandible and the forward movement of the dentition.

At present, there are various measures for treating type II angstrom malocclusion, such as extraoral arch, double-pad appliance, improved J-hook plus NiTi coil spring, etc. The movable appliance, such as an invisible appliance, can move far and spread molar teeth in a buccal direction, and the principle is that accessories with different shapes are designed on the tooth surface, a tooth socket, teeth and the accessories are wrapped, and the teeth are enabled to move obliquely by utilizing the resilience force of a tooth socket material, so that the effect of spreading dental arches is achieved.

In the prior art, the manufacture of the appliance is completed by stacking and molding on a plaster model by a technician after an alginate impression is firstly adopted and the plaster model is poured, so that a large error is easily generated in the operation process; secondly, because of the error in the manufacturing process, after the patient wears the mouth, the patient still needs to try on and adjust the grinding repeatedly to be in place, thereby increasing the treatment difficulty.

SUMMERY OF THE UTILITY MODEL

For at least partially solve the technical problem who exists among the above-mentioned prior art, the utility model provides an oral cavity is with expanding bow unscrambler, the oral cavity is with expanding the bow unscrambler including expanding the bow pterygoid lamina, expanding bow base, tongue side pterygoid lamina and expanding the bow subassembly, it sets up to expand the bow base expand the bow pterygoid lamina with between the wing plate of tongue side, it sets up to expand the bow subassembly between two relative inner walls of wing plate of tongue side, wherein:

the expansion arch wing plate, the expansion arch base and the tongue side wing plate are all U-shaped, the U-shaped shape of the expansion arch wing plate is matched with the shape of the outer ring of the gum, the outer wall of the expansion arch base is abutted with the inner wall of the expansion arch wing plate, and the inner wall of the expansion arch base is abutted with the outer wall of the tongue side wing plate;

the arch expanding wing plate, the arch expanding base and the tongue side wing plate form an I-shaped U-shaped groove structure suitable for containing a gum and teeth, the I-shaped U-shaped groove structure comprises a first U-shaped groove and a second U-shaped groove, the first U-shaped groove is formed by the arch expanding base and the arch expanding wing plate and the tongue side wing plate protruding out of the first side face of the arch expanding base, and the second U-shaped groove is formed by the arch expanding base and the arch expanding wing plate and the tongue side wing plate protruding out of the second side face of the arch expanding base;

the arch expanding component comprises two connecting parts and a rod body, the two connecting parts are respectively connected with the two opposite inner walls of the lingual wing plates, and the rod body is arranged between the two connecting parts and is in threaded connection with the two connecting parts.

Further, in the oral cavity arch expansion appliance, connecting holes are formed in two ends of the rod body, and internal threads are formed in the connecting holes; connecting portion include the spliced pole, expand bow piece and connecting plate, the spliced pole sets up expand the one end of bow piece and the spliced pole be equipped with the external screw thread that the internal thread of connecting hole matches, the one end that expands the bow piece is passed through the spliced pole with connecting hole threaded connection, the connecting plate is two-sided sticky board, the connecting plate bonds expand the other end of bow piece, expand the other end of bow piece pass through the connecting plate bond in the inner wall of tongue side pterygoid lamina.

Further, in the oral cavity arch expanding appliance, the connecting column is a tapered column, the connecting hole is a tapered hole, and the taper of the connecting column is matched with the taper of the connecting hole.

Further, in the oral cavity arch expansion appliance, the taper of the connecting hole ranges from 91 degrees to 120 degrees, and the taper of the connecting column is equal to the taper of the connecting hole.

Further, in the oral arch expanding appliance, the taper of the connecting hole and the taper of the connecting column are both 91.5 degrees.

Further, in the oral cavity arch expanding appliance, the arch expanding block and the connecting column are of an integrally formed structure.

Further, in the oral arch expanding appliance, the first U-shaped groove and the second U-shaped groove are arranged in a central symmetry manner, and the widths of the first U-shaped groove and the second U-shaped groove gradually increase toward the U-shaped opening.

Further, in the oral cavity arch expanding appliance, the oral cavity arch expanding appliance further comprises a tongue trainer, the tongue trainer is arranged at the central axis position of the U-shaped tongue side wing plate and is in butt joint with one side surface of the tongue side wing plate, the upper end of the tongue trainer protrudes, and the lower end of the tongue trainer is flush with the U-shaped bottom end of the tongue side wing plate.

Further, in the oral cavity arch expanding orthosis, the arch expanding wing plate, the arch expanding base, the tongue side wing plate, and the tongue trainer are integrally formed.

The utility model discloses an oral cavity is with expanding bow unscrambler has following advantage and beneficial effect: only need wear the oral cavity with expanding the bow unscrambler to patient's oral cavity, expand the body of rod of bow subassembly through the adjustment, the realization expands the bow of bow unscrambler and opens, can expand the bow to oral cavity tooth through expanding the I shape U-shaped recess between bow pterygoid lamina and the tongue side pterygoid lamina and support the correction, need not repeatedly to polish the adjustment and can take one's place, also need not repeatedly take out from patient's mouth and try on debugging unscrambler repeatedly, this oral cavity is with expanding bow unscrambler overall structure simple simultaneously, it is convenient to install, be applicable to the non professional and install the correction, reduce the degree of difficulty of oral cavity correction, possess stronger practicality.

Drawings

The accompanying drawings, which are set forth herein, serve to provide a further understanding of the embodiments of the present invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are illustrative of the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a schematic perspective view of the oral arch expansion appliance of the present invention;

FIG. 2 is a front view of the oral arch expansion appliance of the present invention;

FIG. 3 is a schematic structural view of an arch expansion component of the oral arch expansion appliance of the present invention;

FIG. 4 is a schematic cross-sectional view of a rod body of an arch expansion component of the oral arch expansion appliance of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

description of reference numerals:

1: the bow-extending wing plate 2: the bow expanding base 3: tongue side wing plate

4: the bow-expanding component 41: the rod body 411: connecting hole

40: connection portion 401: connecting the column 402: bow expanding block

403: connecting plate 5: first U-shaped groove 6: second U-shaped groove

7: tongue training device

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model discloses an oral cavity is with expanding bow unscrambler is including expanding bow pterygoid lamina 1, expand bow base 2, tongue side pterygoid lamina 3 and expanding bow subassembly 4, expand bow pterygoid lamina 1, expand bow base 2 and tongue side pterygoid lamina 3 and all be the U-shaped, wherein expand the U-shaped shape and the teethridge outer lane shape matching of bow pterygoid lamina 1, expand bow base 2 and set up between expanding bow pterygoid lamina 1 and tongue side pterygoid lamina 3, expand the outer wall of bow base 2 and expand the inner wall looks butt of bow pterygoid lamina 1, expand the inner wall of bow base 2 and the outer wall looks butt of tongue side pterygoid lamina 3, expand bow pterygoid lamina 1, expand bow base 2 and tongue side pterygoid lamina 3 and form the I-shaped U-shaped groove structure who is suitable for holding teethridge and tooth, expand bow subassembly 4 and set up between two relative inner walls of tongue side pterygoid lamina 3.

In an embodiment, the expansion blade 1, the expansion base 2, and the lingual blade 3 are integrally formed to ensure the working strength of the expansion blade 1, the expansion base 2, and the lingual blade 3 during the expansion correction. For example, the arch expansion wing plate 1, the arch expansion base 2 and the tongue side wing plate 3 are all integrally molded by polyetheretherketone. Use of polyether ether ketone material makes the utility model discloses an oral cavity is with expanding bow unscrambler processes more easily, has effectively guaranteed the corrosion resistance, the fatigue resistance and the elasticity of unscrambler simultaneously, satisfies the in-service use requirement of unscrambler.

Further, the utility model discloses an oral cavity is with expanding bow unscrambler, I shape U-shaped groove structure includes first U-shaped recess 5 and second U-shaped recess 6, and first U-shaped recess 5 is by expanding bow base 2 and outstanding bow pterygoid lamina 1 and the tongue side pterygoid lamina 3 formation of expanding bow base 2 first side, and second U-shaped recess 6 is by expanding bow base 2 and outstanding bow pterygoid lamina 1 and the tongue side pterygoid lamina 3 formation of expanding bow base 2 second side.

As a specific implementation manner, in order to ensure the degree of adaptation of the i-shaped U-shaped groove to the gum and the teeth, the first U-shaped groove 5 and the second U-shaped groove 6 are arranged in a central symmetry manner, and the groove widths of the first U-shaped groove 5 and the second U-shaped groove 6 gradually increase toward the U-shaped opening, that is, the distance between the lingual wing plate 3 and the pantograph wing plate 1 near the U-shaped opening is greater than the distance between the lingual wing plate 3 and the pantograph wing plate 1 away from the U-shaped opening. The first U-shaped recess 5 and the second U-shaped recess 6 close to the U-shaped opening are adapted to receive the posterior teeth of larger width, and the first U-shaped recess 5 and the second U-shaped recess 6 remote from the U-shaped opening are adapted to receive the anterior teeth of smaller width.

Further, in the oral cavity of the present invention, the arch-expanding component 4 comprises two connecting portions 40 and a rod 41, the two connecting portions 40 are respectively connected to two opposite inner walls of the lingual wing plate 3, and the rod 41 is disposed between the two connecting portions 40 and is threadedly connected to the two connecting portions 40. Specifically, both ends of the rod body 41 are provided with connecting holes 411, the connecting holes 411 are provided with internal threads, the connecting portion 40 comprises a connecting column 401, an arch expansion block 402 and a connecting plate 403, the connecting column 401 is arranged at one end of the arch expansion block 402 and the connecting column 401 is provided with external threads matched with the internal threads of the connecting holes 411, the connecting plate 403 is a double-sided adhesive plate, the connecting plate 403 is bonded at the other end of the arch expansion block 402, one end of the arch expansion block 402 is in threaded connection with the connecting holes 411 through the connecting column 401, and the other end of the arch expansion block 402 is bonded on the inner wall of the tongue-side wing plate 3 through the connecting plate 403. By utilizing the structure, the distance between the two connecting parts 40 can be adjusted by rotating the rod body 41, and then the distance between the two bow expansion blocks 402 can be adjusted, the bow expansion blocks 402 support the bow expansion base 2 through the tongue side wing plate 3, the bow expansion base 2 expands the U-shaped opening distance of the bow expansion wing plate 1, and the bow expansion of the bow expansion corrector is realized.

Optionally, the utility model discloses an oral cavity is with expanding in the bow unscrambler, spliced pole 401 is the toper post, and connecting hole 411 is the bell mouth, spliced pole 401's tapering and connecting hole 411's tapering looks adaptation. Through the structure, the taper connecting structure between the rod body 41 and the connecting column 401 can form friction sliding, the concave-convex buckling of the rod body and the connecting column is ensured, the connection is tight and stable, and a strong retention effect is generated. Meanwhile, the connecting column 401 is set to be a conical column, and the connecting hole 411 is set to be a conical hole, so that the connecting column 401 can conveniently enter the connecting hole 411 to be connected, and the connecting column 401 and the connecting hole 411 can be conveniently connected and positioned.

As a specific embodiment, the taper a of the connection hole 411 ranges from 91 ° to 120 °, and correspondingly, the taper of the connection column 401 is equal to the taper of the connection hole 411. That is, the taper of the connection hole 411 and the connection column 401 may be any angle in the range of 91 °, 120 °, and 91 ° to 120 °. Preferably, the taper a of the connection hole 411 is 91.5 °, and the taper of the connection post 401 is also 91.5 °.

As a specific embodiment, in order to ensure the working strength of the expansion joint between the connecting column 401 and the expansion block 402, the expansion block 402 and the connecting column 401 are integrally formed, for example, the expansion block 402 and the connecting column 401 are integrally formed by 3D printing using polymethyl methacrylate.

As a specific embodiment, the rod body 41 is made of a polyetheretherketone material, and the use of the polyetheretherketone material makes the bow expanding component 4 easier to process, and simultaneously effectively ensures the corrosion resistance, fatigue resistance and elasticity of the bow expanding component 4, and meets the actual use requirements of the bow expanding component 4.

Further, the utility model discloses an oral cavity is with expanding bow unscrambler, can also include tongue training ware 7, tongue training ware 7 set up in the central axis position of the tongue side pterygoid lamina 3 of U-shaped and with a side butt joint of tongue side pterygoid lamina 3, the upper end of tongue training ware 7 is outstanding, the lower extreme of tongue training ware 7 is levelled with the U-shaped bottom of tongue side pterygoid lamina 3.

In a specific embodiment, the tongue training device 7 and the lingual wing plate 3 are integrally formed to ensure the connection strength between the tongue training device 7 and the lingual wing plate 3 and to prevent the tongue training device 7 from being separated from the lingual wing plate 3 during long-term wear. Correspondingly, the tongue trainer 7 is also made of polyether-ether-ketone material, and the use of the polyether-ether-ketone material enables the tongue trainer 7 to be processed more easily, effectively ensures the corrosion resistance, the fatigue resistance and the elasticity of the tongue trainer 7, and meets the actual use requirements of the tongue trainer 7.

The utility model discloses an oral cavity is with expanding bow unscrambler's application method includes:

the oral arch expanding appliance is arranged in the oral cavity of a patient, so that the upper gums and the upper rows of teeth enter the first U-shaped groove 5, the heads of the upper rows of teeth are abutted against the first side face of the arch expanding base 2, the lower gums and the lower rows of teeth enter the second U-shaped groove 6, and the heads of the lower rows of teeth are abutted against the second side face of the arch expanding base 2;

installing the arch expanding component 4 between the U-shaped openings of the tongue side wing plates 3;

expand the body of rod 41 of bow subassembly 4 through rotating, increase two and expand the interval between the bow piece 402, expand bow piece 402 and support through tongue side pterygoid lamina 3 to expanding bow base 2 and expand the bow, expand bow base 2 and expand the U-shaped opening interval of bow pterygoid lamina 1, realize expanding the bow of bow unscrambler and open for expand bow 5 and 6 position changes of second U-shaped recess between bow pterygoid lamina 1 and the tongue side pterygoid lamina 3, the realization supports the correction to expanding the bow of oral cavity tooth.

Further, considering that the oral arch expansion appliance needs to be removed when a patient eats or opens, the use method of the oral arch expansion appliance of the utility model can further comprise: the rod body 41 of the arch expanding component 4 is rotated reversely, the distance between the two arch expanding blocks 402 is reduced, the tongue side wing plate 3, the arch expanding base 2 and the arch expanding wing plate 1 are reset, and the oral arch expanding appliance is taken out from the mouth of the patient.

Further, when using the utility model discloses an oral cavity is with expanding bow unscrambler, when putting into patient's oral cavity with expanding bow unscrambler with the oral cavity, keep flat tongue training ware 7 and tongue upper surface to when correcting for a long time, temper tongue muscle and train tongue position through tongue training ware 7, make the tongue remove towards the back upper place in oral cavity, prevent to appear spitting the habit of swallowing of tongue, avoid going up the proud malocclusion of tooth.

From this, will the utility model discloses an expand bow unscrambler and put into patient's oral cavity, through expanding bow pterygoid lamina 1, expand bow base 2, tongue side pterygoid lamina 3 and expand the combined action of bow subassembly 4, utilize first U-shaped recess 5 and second U-shaped recess 6 to support the correction to oral cavity tooth, cooperate tongue training ware 7 to take exercise tongue muscle and position simultaneously, form complete oral cavity tooth correction scheme.

To sum up, compare with prior art, the utility model discloses an oral cavity is with expanding bow unscrambler has following advantage and beneficial effect:

only need wear the oral cavity with expanding the bow unscrambler to patient's oral cavity, expand the body of rod of bow subassembly through the adjustment, the arch that expands of realizing expanding the bow unscrambler is opened, can expand the bow to oral cavity tooth through expanding the I shape U-shaped recess between bow pterygoid lamina and the tongue side pterygoid lamina and support the correction, need not repeatedly to polish the adjustment and can take one's place, also need not take out repeatedly from patient's mouth and try on debugging the unscrambler repeatedly, this oral cavity is with expanding bow unscrambler overall structure simple simultaneously, it is convenient to install, it installs the correction to be applicable to non professional, reduce the degree of difficulty of oral cavity correction, possess stronger practicality.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. An oral arch expansion appliance, comprising an arch expansion wing plate, an arch expansion base, a tongue side wing plate and an arch expansion assembly, wherein the arch expansion base is arranged between the arch expansion wing plate and the tongue side wing plate, and the arch expansion assembly is arranged between two opposite inner walls of the tongue side wing plate, wherein:

the expansion arch wing plate, the expansion arch base and the tongue side wing plate are all U-shaped, the U-shaped shape of the expansion arch wing plate is matched with the shape of the outer ring of the gum, the outer wall of the expansion arch base is abutted with the inner wall of the expansion arch wing plate, and the inner wall of the expansion arch base is abutted with the outer wall of the tongue side wing plate;

the arch expanding wing plate, the arch expanding base and the tongue side wing plate form an I-shaped U-shaped groove structure suitable for accommodating a gum and teeth, the I-shaped U-shaped groove structure comprises a first U-shaped groove and a second U-shaped groove, the first U-shaped groove is formed by the arch expanding base and the arch expanding wing plate and the tongue side wing plate protruding out of the first side surface of the arch expanding base, and the second U-shaped groove is formed by the arch expanding base and the arch expanding wing plate and the tongue side wing plate protruding out of the second side surface of the arch expanding base;

the arch expanding component comprises two connecting parts and a rod body, the two connecting parts are respectively connected with the two opposite inner walls of the lingual wing plates, and the rod body is arranged between the two connecting parts and is in threaded connection with the two connecting parts.

2. The oral arch expansion appliance according to claim 1, wherein the rod body is provided with connecting holes at both ends thereof, the connecting holes being provided with internal threads; connecting portion include the spliced pole, expand bow piece and connecting plate, the spliced pole sets up expand the one end of bow piece and the spliced pole be equipped with the external screw thread that the internal thread of connecting hole matches, the one end that expands the bow piece is passed through the spliced pole with connecting hole threaded connection, the connecting plate is two-sided sticky board, the connecting plate bonds expand the other end of bow piece, the other end that expands the bow piece passes through the connecting plate bond in the inner wall of tongue side pterygoid lamina.

3. The oral arch expansion appliance according to claim 2, wherein the connecting post is a tapered post and the connecting hole is a tapered hole, and the taper of the connecting post is adapted to the taper of the connecting hole.

4. The oral arch expansion appliance according to claim 3, wherein the taper of the connecting hole ranges from 91 ° to 120 °, and the taper of the connecting column is equal to the taper of the connecting hole.

5. The oral arch-expanding appliance of claim 4, wherein the taper of the connecting hole and the connecting post are both 91.5 °.

6. The oral arch-expanding appliance according to any one of claims 2 to 5, wherein the arch-expanding block and the connecting column are of an integrally formed structure.

7. The oral arch expanding appliance according to claim 1, wherein the first and second U-shaped grooves are arranged in a central symmetry, and the widths of the first and second U-shaped grooves are gradually increased toward the U-shaped opening.

8. The oral arch expanding appliance according to claim 1, further comprising a tongue training aid provided at a position of a central axis of the U-shaped tongue-side wing plate and abutting against one side surface of the tongue-side wing plate, wherein an upper end of the tongue training aid protrudes, and a lower end of the tongue training aid is flush with a U-shaped bottom end of the tongue-side wing plate.

9. The oral arch-expanding appliance according to claim 8, wherein the arch-expanding wing plate, the arch-expanding base, the lingual wing plate and the tongue trainer are integrally formed.

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