CN201516092U - Friction force controllable type bracket - Google Patents
Friction force controllable type bracket Download PDFInfo
- Publication number
- CN201516092U CN201516092U CN2009202069928U CN200920206992U CN201516092U CN 201516092 U CN201516092 U CN 201516092U CN 2009202069928 U CN2009202069928 U CN 2009202069928U CN 200920206992 U CN200920206992 U CN 200920206992U CN 201516092 U CN201516092 U CN 201516092U
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- CN
- China
- Prior art keywords
- friction force
- gum
- bracket
- wing
- arch wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a friction force controllable type bracket, which comprises a base bottom plate and two bracket bodies which are opposite to each other and disposed on the base bottom plate, wherein an arch wire groove is formed between the two bracket bodies, two ends of each bracket body are respectively provided with gum wings which are projected opposite to the arch wire groove and lateral square wings which are projected to sides, and the two gum wings located on the insides of the two lateral square wings and extend out the bracket body opposite to each arch wire groove. Positive pressure of bonding on arch wires can be changed by selecting different bonding portions, thereby regulating friction force. The bracket can be used for bonding gum wings only, reduces the positive pressure to zero, reduces friction force, accelerates movements of teeth and lowers tissue damage, and plays a similar role of automatically locking brackets. By tightly bonding lateral square wings, the bracket also enlarges friction force of individual tooth and arch wires, and selectively controls movements of individual tooth. By bonding single lateral gum wings and lateral square wings, the bracket can correct torsion of teeth, and accurately adjusts positions of individual tooth.
Description
Technical field
This utility model relates to a kind of bracket appliance, relates in particular to a kind of ligature type friction force controllable bracket flexibly.
Background technology
Tooth section friction force controllable bracket is the important component part of mouth cavity orthodontic fixed appliance.The bracket of the clinical usefulness of mouth cavity orthodontic is made up of substrate plate that is fixed as one and supporter groove, supporter groove has arch wire groove and tie wings, substrate plate is fixed on the facing, arch wire passes the arch wire groove and fixes by tie wings and bracket, the power of rescuing of arch wire is delivered to tooth by bracket in the orthodontic treatment process of denture, makes tooth produce moving of expection.
Since the 1950's, the bracket direct bonding technique was applied to mouth cavity orthodontic, friction force controllable bracket was widely adopted always.When traditional friction force controllable bracket moves and the frictional force of arch wire big, translational speed is slow, it is long to rescue the other operating time of time and chair.Therefore, begin to adopt a kind of self-locking bracket appliance in the prior art, arch wire groove both sides are provided with deck and the bracket lid that matches of deck therewith.Only need directly push the bracket lid, both arch wire can be defined in the arch wire groove, remove the loaded down with trivial details operation of ligation silk from; Simultaneously avoided again directly forcing on the arch wire, reduced contact friction, helped the normal of tooth and move.
But the self-locking bracket appliance of said structure has the following disadvantages: though one, frictional force reduces, and brought the problem of wayward tooth position; Two, the inclination of mobile tooth clinically, rotation happen occasionally, for this reason sometimes still need with the ligation silk by vertical groove in bracket near or in far away the ligation arch wire correct inclination and rotation with prophylaxis of teeth, same reason, bracket, the particularly ready-formed axial rake of labial teeth bracket and angle of torsion will be lost to some extent, will do necessary compensation deals sometimes on arch wire; Three, change chain elastic ring inconvenience, the installation of self-locking bracket elastic ring must be before arch wire be in place, rather than arch wire in place after, therefore change and all must unload arch wire in the chain elastic ring, this will make troubles to clinical manipulation; Four, be difficult to reach completely and come into line; Five, because frictional force is lower, easily slippage in groove of arch wire.
The utility model content
At weak point of the prior art, this utility model provide a kind of easy to operate, control friction force controllable bracket flexibly, this bracket is by the selection of ligature type, change ligation silk or ligature loop normal pressure to arch wire, thereby reach the effect of regulating frictional force, both can make normal pressure is zero, thereby reduces the frictional force of system, quickens moving and reduction tissue injury of tooth; Also can optionally control moving of indivedual teeth, accurately adjust the position of indivedual teeth and be beneficial to and correct torsion of teeth etc. by the frictional force of tight ligation increase individual teeth and arch wire.
The friction force controllable bracket that this utility model provides, relative two supporter grooves on comprising substrate plate and being fixedly installed on substrate plate form the arch wire groove between described two supporter grooves, and the two ends of described supporter groove are provided with arch wire groove rightabout projection respectively
The gum wing and to the side of the side projection wing, described two
The gum wing is positioned at the inboard of two side wings and extends supporter groove with arch wire groove rightabout.
Further, described
The interplane ligature furrow that is provided with in the gum wing and side;
Further, described
The gum wing stretches out supporter groove along the direction parallel with substrate plate;
Further, wing edge, the described side direction parallel with substrate plate extends outward supporter groove;
Further, two on the described supporter groove
Form one-sided ligation groove between the gum wing;
Further, the distance of described ligature furrow and one-sided ligation slot pitch archwire slot bottom of trench equates;
Further, the distance of described ligature furrow and one-sided ligation slot pitch archwire slot bottom of trench is 0.025 inch～0.030 inch;
Further, described
The external part of the gum wing and the side wing is an arc transition.
The beneficial effects of the utility model: a kind of friction force controllable bracket of the present utility model adopts and is provided with arch wire groove rightabout projection respectively at the two ends of supporter groove
The gum wing and to the side of the side projection wing, two
The gum wing extends supporter groove between two side wings and with arch wire groove rightabout.Adopt that this friction force controllable bracket is easy to operate, control flexibly, ligation
During the gum wing, ligation silk and arch wire disengage, no normal pressure, and at this moment, frictional force reduces between ligation silk and the arch wire, is beneficial to tooth and moves and reduce tissue injury; During the ligation side wing, between ligation silk and the arch wire normal pressure is arranged,, increase the frictional force between ligation silk and the arch wire, have and stablize this tooth, reduce it and move, strengthen anchorage by tight ligation; Ligation is one-sided
The gum wing is beneficial to the correction that tooth reverses.This bracket changes ligation silk or the ligature loop normal pressure to arch wire, thereby reaches the effect of regulating frictional force by the selection of ligature type, and both can make normal pressure is zero, reduces the frictional force of system, quickens moving of tooth, plays the effect of similar self-locking bracket; Also can optionally control moving of indivedual teeth, accurately adjust the position of indivedual teeth by the frictional force of tight ligation increase individual teeth and arch wire.
Description of drawings
Fig. 1 is the structural representation of this utility model in user mode one;
Fig. 2 is the structural representation of this utility model in user mode two;
Fig. 3 is the structural representation of this utility model in user mode three;
Fig. 4 is the structural representation of this utility model in user mode four.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this utility model is done to describe in further detail.
Fig. 1 is the structural representation of this utility model in user mode one, as shown in the figure, and two parallel and relative supporter grooves 2 on a kind of friction force controllable bracket comprises substrate plate 1 and is fixedly installed on base plate 1; Between two supporter grooves 2, form an arch wire groove 3 angled with base plate 1; The two ends of supporter groove 2 are provided with arch wire groove 3 rightabout projectioies respectively
The gum wing 4 and to the side of the side projection wing 5; Two
The gum wing 4 is positioned at the inboard of two side wings 5 and extends outward supporter groove 2 along the direction parallel with base plate 1; The side wing 5 extends outward supporter groove 2 along the direction parallel with base plate 1;
Form ligature furrow 6 between the gum wing 4 and the side wing 5; On each supporter groove 2 two
Form one-sided ligation groove 7 between the gum wing 4.
The ligation of ligation silk exists
In the time of on the gum wing, as shown in Figure 1, ligation silk 8 disengages with arch wire, and no normal pressure reduces the resistance that tooth moves, and quickens moving of tooth, plays the effect of similar self-locking bracket, is beneficial to tooth and moves.
Fig. 2 is the structural representation of this utility model in user mode two, as shown in the figure, and when adopting on the wing of ligation silk ligation side, between ligation silk and the arch wire normal pressure is arranged,, increase the frictional force between ligation silk and the arch wire by tight ligation, can stablize this tooth effectively, reduce it and move, strengthen anchorage.
Fig. 3 is the structural representation of this utility model in user mode three, and as shown in the figure, the ligation of ligation silk is one-sided
In the time of on the gum wing and the side wing, be beneficial to change and reverse and tooth is not shifted, improve fixing and corrigent effect.
Fig. 4 is the structural representation of this utility model in user mode four, and as shown in the figure, the ligation of ligation silk is one-sided
In the time of on the gum wing, frictional force is smaller, more helps moving and coming into line of tooth.
Therefore, bracket changes ligation silk or the ligature loop normal pressure to arch wire by the selection of ligature type, thereby reaches the effect of regulating frictional force.Both can make normal pressure is zero, thereby reduces the frictional force of ligation silk and arch wire, reduces the resistance that tooth moves, and quickens tooth and moves; Also can optionally control moving of indivedual teeth, accurately adjust the position of indivedual teeth by the frictional force of tight ligation increase individual teeth and arch wire.Adopt this friction force controllable bracket ligature type flexible, shorten the other operating time of the chair of rescuing time and doctor, simultaneously easy to operate, be a kind of bracket that is worthy of popularization.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. friction force controllable bracket, comprise substrate plate (1) and be fixedly installed on upward relative two supporter grooves (2) of substrate plate (1), form arch wire groove (3) between described two supporter grooves (2), it is characterized in that: the two ends of described supporter groove (2) are provided with arch wire groove (3) rightabout projection respectively
The gum wing (4) and to the side of the side projection wing (5), described two
The gum wing (4) is positioned at the inboard of two side wings (5) and extends supporter groove (2) with arch wire groove (3) rightabout.
2. friction force controllable bracket according to claim 1 is characterized in that: described
Between the gum wing (4) and the side wing (5) ligature furrow (6) is set.
3. friction force controllable bracket according to claim 2 is characterized in that: described
The gum wing (4) stretches out supporter groove (2) along the direction parallel with substrate plate (1).
4. friction force controllable bracket according to claim 2 is characterized in that: the described side wing (5) extends outward supporter groove (2) along the direction parallel with substrate plate (1).
5. according to claim 3 or 4 described friction force controllable brackets, it is characterized in that: on the described supporter groove (2) two
Form one-sided ligation groove (7) between the gum wing (4).
6. friction force controllable bracket according to claim 5 is characterized in that: described ligature furrow (6) and one-sided ligation groove (7) equate apart from the distance at arch wire groove (3) end.
7. friction force controllable bracket according to claim 6 is characterized in that: described ligature furrow (6) and one-sided ligation groove (7) are 0.025 inch～0.030 inch apart from the distance at arch wire groove (3) end.
8. friction force controllable bracket according to claim 7 is characterized in that: described
The external part of the gum wing (4) and the side wing (5) is an arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202069928U CN201516092U (en) | 2009-11-05 | 2009-11-05 | Friction force controllable type bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202069928U CN201516092U (en) | 2009-11-05 | 2009-11-05 | Friction force controllable type bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201516092U true CN201516092U (en) | 2010-06-30 |
Family
ID=42496804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202069928U Expired - Fee Related CN201516092U (en) | 2009-11-05 | 2009-11-05 | Friction force controllable type bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201516092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327153A (en) * | 2011-08-03 | 2012-01-25 | 东南大学 | Rotatable orthodontic bracket for oral cavity |
| CN114081646A (en) * | 2021-11-24 | 2022-02-25 | 重庆医科大学附属第二医院 | Self-locking correction system beneficial to multi-dimensional control |
-
2009
- 2009-11-05 CN CN2009202069928U patent/CN201516092U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327153A (en) * | 2011-08-03 | 2012-01-25 | 东南大学 | Rotatable orthodontic bracket for oral cavity |
| CN114081646A (en) * | 2021-11-24 | 2022-02-25 | 重庆医科大学附属第二医院 | Self-locking correction system beneficial to multi-dimensional control |
| CN114081646B (en) * | 2021-11-24 | 2023-11-28 | 重庆医科大学附属第二医院 | Self-locking correction system beneficial to multidimensional control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20121105 |