CN217938417U - Bone support type molar distal movement device - Google Patents
Bone support type molar distal movement device Download PDFInfo
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- CN217938417U CN217938417U CN202222031122.XU CN202222031122U CN217938417U CN 217938417 U CN217938417 U CN 217938417U CN 202222031122 U CN202222031122 U CN 202222031122U CN 217938417 U CN217938417 U CN 217938417U
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- molar
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- rod
- bone
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Abstract
The utility model discloses a bone support formula molar device that moves far, including the elastic rod that has elastic deformation performance: the elastic rod is characterized in that a positioning assembly fixed at the position of the maxilla palatal part is arranged at the head part of the elastic rod, a compensation assembly is arranged at the tail part of the elastic rod, a dental crown grinding sleeve is arranged on the compensation assembly, and a first force application part and a second force application part are arranged on the elastic rod at intervals in the direction from the positioning assembly to the dental crown grinding sleeve. The utility model discloses in, this device is moved far to molar adopts the application of force portion that two intervals set up, can play the pressurized effect of dual application of force to the elastic rod, can be when one of them application of force portion warp to the maximum amplitude for another application of force portion can play the application of force pressurization effect that increases the form to the elastic rod, thereby provides the required elasticity dynamics of moving far of combination formula to the molar, has improved the in-service use effect that the device was moved far to the molar.
Description
Technical Field
The utility model relates to a tooth orthodontic treatment technical field especially relates to a bone support formula molar moves device far away.
Background
Crowding of dentition is a common malocclusion deformity, and clinically, methods for solving the malocclusion deformity comprise tooth extraction, arch expansion, molar distalization and the like, wherein molar distalization is to move molar towards the distal direction of dentition to increase the length of the dentition, so that gaps can be effectively provided for crowded dentition, or the problem of partial outburst of mouth can be solved. In the process of correction, any force applied to the teeth to make them move must produce a force with opposite direction and same magnitude, and the anchor supporting the teeth to bear the reaction force is called "anchorage", and in order to cure and solve the phenomenon of crowded dentition, it is necessary to use molar distancing device to make auxiliary treatment.
Chinese patent publication No.: CN215130502U discloses "a bone-supported molar distal movement device", which comprises a sliding rod matched with the shape of palatal mucosa, wherein the sliding rod comprises a first sliding rod part extending along two side molar dentitions and a second sliding rod part connected with the two first sliding rod parts; each first slide bar part is sequentially sleeved with a molar sleeve pipe component matched with molar to be moved far, an elastic component and a limiting component matched with the elastic component from the free end of the first slide bar part to the second slide bar part; the molar sleeve component can move back and forth along the axial direction of the first slide rod part; one or more planting nail sleeve assemblies capable of moving back and forth along the axial direction of the second slide bar part are sleeved on the second slide bar part; each planting nail sleeve component comprises a second sleeve sleeved on the second sliding rod part and a hard palate anterior planting nail accommodating part.
When the existing molar distancing structure is used, a force application pressurizing structure is usually adopted to provide pressure required by distancing for one molar, so that the displacement amplitude of the molar distancing is limited, the force application pressurizing degree of the molar distancing structure is insufficient, and the molar distancing effect is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bone support formula molar moves device far away that adopts two interval distribution's application of force pressurization structure, provides the application of force pressurization intensity of combination formula to the molar, improves the molar and moves the effect far away.
In order to achieve the above object, the present invention provides the following technical solutions: a bone-supported molar distancing device comprising an elastic rod having elastic deformation properties:
the head part of the elastic rod is provided with a positioning component fixed at the position of the maxillary palate part, the tail part of the elastic rod is provided with a compensation component, and the compensation component is provided with a dental crown grinding sleeve;
and a first force application part and a second force application part are arranged on the elastic rod at intervals in the direction from the positioning assembly to the molar crown sleeve.
As a further description of the above technical solution:
the positioning assembly comprises a planting nail planted on the maxilla palatal part, a base support is sleeved on the planting nail, and the planting nail is matched with a lantern ring at the head of the elastic rod.
As a further description of the above technical solution:
the outer side of the planting nail and the outer side of the lantern ring are spirally connected with an anti-drop cap.
As a further description of the above technical solution:
first application of force portion is the arc structure, the arc opening direction of first application of force portion is opposite with the elastic deformation direction of elastic rod.
As a further description of the above technical solution:
the second force application part is of a spiral surrounding structure, and the spiral deformation direction of the second force application part is the same as the elastic deformation direction of the elastic rod.
As a further description of the above technical solution:
the elastic rod is rotatably connected with a reinforcing rod, and the reinforcing rod is matched with a reinforcing groove formed in the first force application part.
As a further description of the above technical solution:
the compensation assembly comprises a spiral pipe which is spirally connected to the tail of the elastic rod, the spiral pipe is rotatably connected with a compensation rod, the compensation rod is provided with a plug-in connector, and the plug-in connector is matched with the plug-in hole in the molar crown sleeve.
As a further description of the above technical solution:
the inner wall of the opening end of the grinding dental crown sleeve is provided with a crown cap.
In the technical scheme, the utility model provides a pair of bone support formula molar moves device far away has following beneficial effect:
this device is moved far to molar adopts the application of force portion that two intervals set up, can play the pressurized effect of dual application of force to the elastic rod, can be when one of them application of force portion warp to the maximum amplitude for another application of force portion can play the application of force pressurization effect of increasing the form to the elastic rod, thereby provides the required elasticity dynamics of far moving of combination formula to the molar, has improved the result of use that the device is moved far to the molar.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural view of a bone-supporting molar distancing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a positioning assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an elastic rod according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a molar crown cover according to an embodiment of the present invention.
Description of reference numerals:
1. a positioning assembly; 11. planting nails; 12. a base support; 13. an anti-drop cap; 2. an elastic rod; 21. a collar; 22. a reinforcing rod; 23. a reinforcing groove; 3. a first force application part; 4. a second force application part; 5. a compensation component; 51. a solenoid; 52. a compensation lever; 53. a plug-in connector; 6. grinding a dental crown sleeve; 61. a crown cap; 62. and (7) inserting holes.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a bone-supporting molar distancing device comprises an elastic rod 2 having elastic deformation properties:
the head of the elastic rod 2 is provided with a positioning component 1 fixed at the position of the maxilla palate, the tail of the elastic rod 2 is provided with a compensation component 5, the compensation component 5 is provided with a dental corona cover 6, the number of the elastic rods 2 is four, two elastic rods are a group and are symmetrically distributed at two sides of the positioning component 1, so that the dental corona covers 6 on the four elastic rods 2 can be respectively and independently sleeved on four molar teeth, and the effect of independently applying force and pressurizing to the molar teeth in the oral cavity of a patient can be achieved;
on the elastic rod 2 and by locating component 1 to molar crown cover 6 direction interval be provided with first application of force portion 3 and second application of force portion 4, adopt first application of force portion 3 and second application of force portion 4 that two intervals set up, can play the pressurized effect of dual application of force to elastic rod 2, can be when one of them application of force portion warp to the maximum amplitude, make another application of force portion can play the application of force pressurization effect that increases the form to elastic rod 2, thereby provide the required elasticity dynamics of far moving of combination formula to the molar, the result of use that the device was far moved to the molar has been improved.
The locating component 1 is including planting the nail 11 at the maxilla palate part, it is equipped with base support 12 to cover on the planting nail 11, and the planting nail 11 is with 2 head lantern ring 21 looks adaptations of elastic rod, the outside screwed connection who just lies in the lantern ring 21 on the planting nail 11 has the anticreep cap 13, plant the nail 11 in the maxilla position of patient's oral cavity, base support 12 cover establish the planting nail 11 back with the laminating of maxilla, play sealed laminating effect to the position of planting nail 11, then establish the lantern ring 21 on four elastic rod 2 in proper order and overlap on planting nail 11, play the positioning action to the head position of elastic rod 2, then will prevent that the cap 13 spiral sets up on planting nail 11, can play the extrusion anticreep effect to the lantern ring 21 of establishing, prevent that the lantern ring 21 from falling from planting nail 11.
First application of force portion 3 is the arc structure, and the arc opening direction of first application of force portion 3 is opposite with the elastic deformation direction of elastic rod 2, through crooked first application of force portion 3, can provide the required one of them application of force pressurization effort of elastic deformation for elastic rod 2 can use planting nail 11 to deform as the basic point, and drive and grind dental crown cover 6 and make it play the pressurization effect to grinding one's teeth, can carry out one time the remoting with grinding one's teeth and handle.
Second application of force portion 4 is the spiral structure of encircleing, and the spiral variable direction of second application of force portion 4 is the same with elastic deformation direction of elastic rod 2, and second application of force portion 4 through the spiral heat transfer can provide the required another application of force pressurization effort of elastic deformation for elastic rod 2 can use planting nail 11 to deform as the basic point, and drive and grind dental crown cover 6 and make it play the pressurization effect to the molar, can carry out the secondary with the molar and move away the processing.
Rotate on the elasticity pole 2 and be connected with anchor strut 22, and the 23 looks adaptations of reinforcement groove of seting up on anchor strut 22 and the first application of force portion 3, the quantity of reinforcement groove 23 is a plurality of, and the equidistance distributes on first application of force portion 3, change its angle through rotating anchor strut 22, and be connected with the reinforcement groove 23 of different positions on the first application of force portion 3, can adjust the elastic deformation range of first application of force portion 3, make first application of force portion 3 have the elastic deformation effect of different ranges, thereby it provides the application of force extrusion effect of equidimension to grind the tooth to move the device far away.
The compensating assembly 5 includes the screwed pipe 51 of screwed connection at the 2 afterbody of elastic rod, the screwed pipe 51 inner wall is equipped with the thread groove, and the thread groove is with the thread looks adaptation on the 2 afterbody of elastic rod, it is connected with the compensating rod 52 to rotate on the screwed pipe 51, and be provided with bayonet joint 53 on the compensating rod 52, and bayonet joint 53 and 62 looks adaptations of spliced eye on the molar crown cover 6, make its swivelling movement on elastic rod 2 through rotating the screwed pipe 51, can promote the compensating rod 52 and make its removal, thereby change the overall length of molar crown cover 6 and elastic rod 2, make the molar far move the device and can realize the accurate between different positions molar and the elastic rod 2 and be connected, ensure the installation stability of the molar far moving device.
The inner wall of the open end of the molar crown sleeve 6 is provided with a crown cap 61, so that when the molar crown sleeve 6 is sleeved on the molar, the crown cap 61 is positioned on the end surface of the molar, the position of the molar crown sleeve 6 can be pulled, and the molar crown sleeve 6 is prevented from moving up and down on the molar.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. A bone-supporting molar distancing device comprising an elastic rod (2) having elastic deformation properties, characterized in that:
the head of the elastic rod (2) is provided with a positioning component (1) fixed at the position of the maxilla palate, the tail of the elastic rod (2) is provided with a compensation component (5), and the compensation component (5) is provided with a dental crown grinding sleeve (6);
and a first force application part (3) and a second force application part (4) are arranged on the elastic rod (2) at intervals in the direction from the positioning component (1) to the molar crown sleeve (6).
2. A bone-supporting molar distancing device according to claim 1 wherein: locating component (1) is including planting nail (11) of planting in upper jaw palate part, and it is equipped with base support (12) to cover on planting nail (11), and plants nail (11) and lantern ring (21) looks adaptation of elastic rod (2) head.
3. A bone-supported molar distancing device according to claim 2, wherein: the planting nail (11) is spirally connected with an anti-drop cap (13) at the outer side of the lantern ring (21).
4. A bone-supporting molar distancing device according to claim 1 wherein: the first force application part (3) is of an arc-shaped structure, and the arc-shaped opening direction of the first force application part (3) is opposite to the elastic deformation direction of the elastic rod (2).
5. A bone-supporting molar distancing device according to claim 1 wherein: the second force application part (4) is of a spiral surrounding structure, and the spiral deformation direction of the second force application part (4) is the same as the elastic deformation direction of the elastic rod (2).
6. A bone-supporting molar distancing device according to claim 4 wherein: the elastic rod (2) is connected with a reinforcing rod (22) in a rotating mode, and the reinforcing rod (22) is matched with a reinforcing groove (23) formed in the first force application portion (3).
7. A bone-supporting molar distancing device according to claim 1 wherein: the compensation assembly (5) comprises a screwed pipe (51) which is spirally connected to the tail of the elastic rod (2), the screwed pipe (51) is rotatably connected with a compensation rod (52), a plug-in connector (53) is arranged on the compensation rod (52), and the plug-in connector (53) is matched with a plug-in hole (62) in the molar crown sleeve (6).
8. A bone-supported molar distancing device according to claim 1, wherein: the inner wall of the opening end of the grinding dental crown sleeve (6) is provided with a crown cap (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222031122.XU CN217938417U (en) | 2022-08-03 | 2022-08-03 | Bone support type molar distal movement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222031122.XU CN217938417U (en) | 2022-08-03 | 2022-08-03 | Bone support type molar distal movement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217938417U true CN217938417U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222031122.XU Active CN217938417U (en) | 2022-08-03 | 2022-08-03 | Bone support type molar distal movement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217938417U (en) |
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2022
- 2022-08-03 CN CN202222031122.XU patent/CN217938417U/en active Active
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