CN205586094U - Can pluck orthodontic bracket of formula of unloading - Google Patents

Abstract

The utility model discloses a can pluck orthodontic bracket of formula of unloading belongs to orthodontics technical field. A can pluck orthodontic bracket of formula of unloading including holding in the palm the tank bottom board and holding in the palm the groove body, support groove body including holding in the palm the groove retainer and holding in the palm the groove activity body and connecting elements, ask the groove retainer to be connected with holding in the palm the tank bottom board, ask the groove activity body to be connected with the arch wire, hold in the palm groove retainer and movable the personally experiencing sth. Part of the body in support groove and can realize plucking the connection of the formula of unloading through the connecting elements, the support groove activity body on be provided with the opening die cavity that can contain whole or part and hold in the palm the groove retainer. Orthodontic bracket can give the tooth with the accurate conduction of the deflection that prefabricates the arch wire to can accurate control tooth motion mode and amount of exercise.

Description

A kind of orthodontic bracket of detachable

Technical field

This utility model relates to orthodontics technical field, especially relates to a kind of tooth rectification bracket.

Background technology

Mouth cavity orthodontic is uneven to tooth arrangement by application apparatus for correcting and the lopsided subject treated of facing. At present, the Bracket being most widely used is corrected, and mainly includes that fixed lip side is corrected and customized type tongue side is corrected.

The rectification of fixed lip side realizes based on the interaction between the arch wire of the bracket and sequence that are adhered to lip side, main Winged bracket to be included (such as patent documentation CN204446157U, CN2614644Y, CN202020559U), locking bracket is (as specially Profit document CN104434324A, CN204636588U, CN201578387U) etc., its be in early days utilize round wire elasticity and The orthodontic bracket restriction to arch wire, slidably realizes coming into line of tooth, later stage substantially according to the shape of arch wire realizing tooth Then by the interaction of square arch wire with the square groove of orthodontic bracket, it is achieved the control on tooth three-dimensional direction.This rescues body System there is problems in that 1. come into line in early days during the controllability that moves of tooth poor, be primarily due to the correction in this stage During, the motion of tooth mainly by arch wire in the range of bracket slidably, it is impossible to the direction of motion and the fortune to tooth Momentum accurately controls, and is easily caused uncertain teeth training；2. during later stage intense adjustment, square arch wire with Square groove cannot realize being in close contact, and there is certain clearance, need bracket to pre-set extra angle between arch wire and groove Or increase extra torque etc. above arch wire necessarily to compensate.

Customized type tongue side is corrected the simulation row's tooth by computer or craft and is realized the personalized bow of whole correcting process Silk customization, with realize the more accurate motor control of tooth (patent documentation CN104720901A, CN202136432U, CN202654253U).But, this is rescued system and yet suffers from problems with: 1. tongue side fixed appliance still uses lip side solid The interaction of the principle of confounding surely rescued and square arch wire and bracket controls to the three-dimensional realizing tooth, deposits the most equally In the problem of above-mentioned lip side NITI Ω arch wire, and lingual bracket is less compared with labial bracket volume, and groove is narrower, and three-dimensional moves Worse；2. space, tongue side is less simultaneously, and patient's mouth opening is limited, and the ligation between lingual bracket and arch wire is increasingly complex compared with lip side, It is thus desirable to the more professional training of clinicist and longer chair other operating time.

It can be seen that above-mentioned fixed rectification is based on arch wire sliding mechanism, it is desirable to rub for low between arch wire and orthodontic bracket Wiping power, is so easy to arch wire and slides in arch wire groove, sets up and corrects mechanical system.Based on arch wire sliding mechanism rescuing is The accurate control of system, teeth training amount the most relatively difficult to achieve and motion mode.

Utility model content

This utility model is in order to solve the weak point in above-mentioned background technology, it is proposed that the correction torr of a kind of detachable Groove, the deflection of prefabricated arch wire can be conducted to tooth by this orthodontic bracket accurately, it is thus possible to accurately control teeth training side Formula and quantity of motion.

For achieving the above object, the technical solution adopted in the utility model is:

The orthodontic bracket of a kind of detachable, including bracket base and bracket body, it is characterised in that bracket body includes Bracket retainer and bracket mobile and connecting elements, bracket retainer is connected with bracket base, bracket mobile and arch wire Connect, bracket retainer and bracket mobile by connecting elements can realize detachable connection；Bracket is movable simultaneously The opening cavity that can contain all or part of bracket retainer it is provided with on body.

Bracket base refers to the part being connected with bracket body being arranged on tooth, including such as The base plate described in the patent documentations such as ZL200620115349.0, CN2686552Y, also includes such as ZL200920102206.X, The tooth band described in the patent documentations such as CN102178563B, CN201642386U.Bracket base can be and tooth labial surface Or the akin standard type being easy to mass production of lingual surface form, it is also possible to for based on tooth labial surface or lingual surface form individual character Change the form of customization.

Bracket retainer described in the utility model is responsible for being connected with bracket base, and its connected mode is preferably fixing to be connected, Such as welding etc..Bracket retainer can be personalized customization as bracket base, and one-body molded, such as, use fast rapid-result Type mode directly or indirectly manufactures, or uses numerical control milling directly to manufacture；Can also be batch production standard type, then with torr Trough floor is fixedly connected.Preferably, bracket retainer is standard type, and bracket base is fixed based on dental morphology personalization System, and the one side installing bracket retainer is provided with a mounting platform, by modes such as welding by solid to bracket base and bracket Position body is fixing to be connected.

In clinical practice state, relative position should be formed by connecting elements, bracket retainer and bracket mobile and fix, The deflection of the most prefabricated profiled arch wire could pass through bracket mobile and be conducted to bracket retainer accurately, the most accurately passes Lead to tooth.

Preferably, bracket retainer and bracket mobile are arranged to be formed each other the shape of interference fits, then tie Close steel ligature, rubber ring or other connecting elements (be such as arranged on the interface arrangment on bracket body, pin joint structure or from Lock construction) so that bracket mobile is that relative position is fixed with bracket retainer.

Further, bracket mobile being provided with arch wire groove and locating part, arch wire groove is connected with locating part.Torr Opening cavity in groove mobile is arranged on locating part.

Medically, define the motion of tooth with 6 kinds of type of sports, including the movement of middle-distant direction, gum jaw to shifting Dynamic, words to movement, around the rotation of middle-distant direction, around gum jaw to rotation and around words to rotation.

Locating part can limit the certain form of motion on bracket retainer of bracket mobile, at most can limit bracket and live Kinetoplast is the motion of 5 types on bracket retainer, such as limit bracket mobile middle-distant direction and gum jaw to movement, with And bracket mobile around near far to, gum jaw to words to rotation.

Opening cavity can be only one side (such as end face) opening barrel shaped structure, it is also possible to be opposing sides (such as End face and bottom surface) through-hole structure of opening, it is also possible to it is end face and (or) bottom surface opening, a certain relative two sides also opening Groove structure.The shape of opening cavity is arranged according to the shape of bracket retainer, should form interference fits with bracket retainer.

Bracket retainer described in the utility model is on the opening direction of the opening cavity of bracket mobile locating part Cross sectional shape is circular or polygon or a combination thereof.Preferably bracket retainer is boss structure, is connected including with bracket base Base part and the projection section that contained by bracket mobile opening cavity；The base part being wherein connected with bracket base Shape include but not limited to cylinder, cuboid, prismatoid or a combination thereof；Wherein contained by bracket mobile opening cavity The shape of projection section is the most consistent with the interior shape of opening cavity, including cylinder, cuboid, prismatoid or A combination thereof.The preferably external shape of bracket mobile locating part is the substrate being connected with bracket base according to bracket retainer body The shape of part is arranged, including cylinder, cuboid, prismatoid or a combination thereof.The most in some cases, can be solid at bracket The projection section that position body is contained by opening cavity is all or local arranges draft angle, movable to facilitate bracket retainer to enter bracket The opening cavity of body.

Bracket mobile described in the utility model is responsible for being connected with arch wire, and after connection, it is movable that arch wire is limited in bracket On body, so that the resilience force of arch wire can be conducted to bracket retainer accurately by bracket mobile, finally it is applied to tooth On.Bracket mobile preferably can make the connected mode that the two relative position is fixing with the connected mode of arch wire, such as, live when bracket Kinetoplast and arch wire, after correct location positioning, use welding manner both to be fixed and connect, so that the side of rescuing of design Case can transfer to patient oral cavity accurately.

Further, bracket mobile is also provided with arch wire latch member on arch wire groove.Generally, bow Silk latch member is responsible for by arch wire Primary Location in bracket mobile, and in some cases, arch wire latch member is responsible for arch wire Fix and be limited in bracket mobile.Arch wire latch member can be arranged on any position in end and (or) middle part of arch wire groove Putting, preferably two ends at arch wire groove arrange arch wire latch member, and are fixed together with arch wire groove.For strengthening The rigidity of structure of bracket mobile, can be provided with reinforcement in the junction of arch wire groove and arch wire latch member.

Arch wire latch member can be a kind of by external force formed plastic deformation thus clamp the rigid grasp structure of arch wire The tubular structure of part, preferably local openings, its cross sectional shape includes but not limited to

Arch wire latch member can also be to form elastic deformation when arch wire passes thus clamp the elastic clamping structure of arch wire Part, preferably on the sidewall of arch wire groove relative to and a pair bouncing plate setting.

Connecting elements described in the utility model is the connection knot being arranged in bracket retainer and (or) bracket mobile Structure or for ligation structure or a combination thereof.Connecting elements Neng Shi bracket mobile and bracket retainer form the company of detachable Connect or assemble.

Connecting elements can be provided in the attachment structure in bracket retainer and (or) bracket mobile, including but do not limit In interface arrangment, pin joint structure, self-locking structure or a combination thereof, can be one or more.

After interface arrangment should meet bracket mobile and the connection of bracket retainer or be assembled together, at only orthodontic bow-wire Resilience force effect under, bracket mobile and bracket retainer do not separate, only under the effect of other external force, such as doctor Apply external force, bracket mobile and bracket maintenance clinically could separate.Further, interface arrangment is solid for being arranged on bracket Position body and bracket mobile correspondence position on agree with structure, preferably corresponding with the locating part of bracket mobile at bracket retainer Arrange on position agrees with structure, can arrange groove on bracket retainer simultaneously, and above-mentioned groove can increase bracket retainer Structural elasticity, facilitates bracket mobile mounting and separating on bracket retainer.

Pin joint structure includes pin shaft structure, pin key structure or a combination thereof.In bracket retainer position corresponding with bracket mobile Put and offer pin-and-hole or cotter way, can be one or more.When Clinical practice, use bearing pin or pin key by bracket retainer It is attached with bracket activity.

Self-locking structure is arranged on the locating part of bracket mobile, including slip lid self-locking structure and renovate self-locking structure, its Including such as CN104434324A, CN102274081A, CN203710155U, CN204636588U, CN201578387U etc. are special Profit document has a detailed description.

The structure for ligation that connecting elements can be provided in bracket retainer and (or) bracket mobile.Described For ligation structure be piling strtucture, including boss, the bracket wing, hook etc., in conjunction with steel ligature, rubber ring etc. ligature Part, can link together bracket mobile and bracket retainer.

Bracket body described in the utility model can also include that a soft cushion, described soft cushion are bracket Adhesive layer on retainer and (or) bracket mobile or separate piece, be arranged on bracket retainer and bracket mobile contacts On all or part of region.This soft cushion is based primarily upon the consideration of machining accuracy and arranges.

According to clinical demand, it is also possible to arrange some additional structures, such as the bracket wing, hook etc. on bracket body Deng.

Compared with prior art, this utility model has the advantage that as follows with effect:

This utility model is the orthodontic bracket of a kind of detachable, by bracket mobile by the deflection essence of prefabricated arch wire The most lossless is conducted to bracket body, then is conducted to tooth, it is achieved tooth is shift in position along with arch wire recovery preformed shape, from And realize correcting, it can be said that be a kind of brand-new abnormal correction system based on abnormal correction system of the present utility model, it is different from tradition Abnormal correction system based on arch wire sliding mechanism.

Abnormal correction system based on arch wire sliding mechanism, need to make is low-frictional force between orthodontic bracket and arch wire as far as possible, with It is easy to arch wire slide in orthodontic bracket arch wire groove, thus forms rectification mechanical system.And this utility model makes arch wire phase Orthodontic bracket is not had relative shift in position, corrects mechanical system and entirely recovered preformed shape by arch wire and formed.Relative to now Fixed orthodontics, including lip side NITI Ω arch wire and tongue side NITI Ω arch wire, use abnormal correction system of the present utility model can essence The true motion mode controlling tooth and quantity of motion so that the motion of tooth is carried out according to the scheme of design, correct mid-term without Need doctor too much to intervene, carry out clearance compensation etc. in the rectification later stage without doctor and operate.Simultaneously by bracket retainer and In bracket mobile, connecting elements is set, facilitates doctor's clinical manipulation, therefore greatly reduce by working strength and the chair of doctor Operating time.

Accompanying drawing explanation

Fig. 1 be a kind of bracket retainer projection section be the orthodontic bracket structural representation of the detachable of cuboid

Fig. 2 is the bracket retainer structural representation in Fig. 1

Fig. 3 is the bracket mobile structural representation in Fig. 1

Fig. 4 is the structural representation of the bracket base in Fig. 1

Fig. 5 be a kind of bracket retainer projection section be the orthodontic bracket structure that cylinder combines the detachable of cuboid Schematic diagram

Fig. 6 is the bracket retainer in Fig. 5 and the structural representation of bracket base

Fig. 7 is the bracket mobile structural representation in Fig. 5

Fig. 8 be a kind of bracket retainer projection section be the bracket body construction of the orthodontic bracket of the detachable of prismatoid Schematic diagram

Fig. 9 is the bracket retainer structural representation in Fig. 8

Figure 10 is the bracket mobile structural representation in Fig. 8

Detailed description of the invention

Enforcement of the present utility model is to further illustrate of the present utility model, rather than to scope of the present utility model Restriction.

Embodiment 1: the orthodontic bracket of a kind of detachable, its structural representation as Figure 1-4, specially bracket maintenance Body projection section is the tongue side orthodontic bracket of cuboid, including bracket base 1, bracket body 2.Wherein bracket body 2 includes torr Groove retainer 3, bracket mobile 4, and the slidingtype pin key attachment structure 5 being arranged in bracket mobile 4.Wherein bracket is lived Arch wire groove 6, cuboid locating part 7 it is provided with on kinetoplast 4；Two pairs of bouncing plates 8 it are provided with at the two ends of arch wire groove 6；Growing A cuboid opening cavity 9 is offered on cube locating part 7.Wherein bracket retainer 3 is boss structure, including with bracket at the bottom of Cuboid base part 10 that plate 1 connects and the cuboid projection section 11 that contained by opening cavity 9, cuboid base part 10 Length and width size more than the correspondingly-sized of cuboid projection section 11.Wherein bracket base 1 is based on tooth tongue side form individual character Change customization, and be provided with one and adopt for connecting the boss 12 of cuboid base part 10, boss 12 and cuboid base part 10 It is fixedly connected by the mode of laser welding.Wherein cuboid locating part 7, cuboid base part 10 is equal with boss 12 three For cuboid, and length and width consistent size；The shape and size of opening cavity 9 are arranged according to cuboid projection section 11, and two Person's length, width and height consistent size, thus by opening cavity 9 and cuboid projection section 11, bracket mobile 4 and bracket retainer 3 Form interference fits.Slidingtype pin key attachment structure 5 is by the slidingtype pin key 13 being arranged in bracket mobile 4 and is arranged on Pin key hole 14 of running through on bracket retainer and bracket mobile forms.Slidingtype pin key 13 is provided with a dumb-bell shape run through Hole 15, in conjunction with a circular bearing pin 16, can realize self-locking and the connection with bracket retainer.Offer on slidingtype pin key 13 simultaneously One circular hole 17, bracket mobile 4 correspondence position offers a groove 18, it is simple to clinic carries out slide.Spacing by cuboid Part 7, opening cavity 9, cuboid projection section 11, and slidingtype pin key attachment structure 5, bracket retainer 3 and bracket are movable Body 4 realizes position and is relatively fixed.

On using, the arch wire of prefabricated shaping with orthodontic bracket after relative position determines, by bouncing plate 8 by arch wire and Bracket mobile 4 tentatively connects, then by laser welding, with bracket mobile 4, arch wire is fixedly connected on one further Rise.By slidingtype pin key attachment structure 5, bracket retainer 3 and bracket mobile 4 are linked together.By the way, Bracket retainer 3 forms relative position with bracket mobile 4 and fixes, and arch wire is fixing with bracket mobile 4 to be connected, such prefabricated bow The deformation resilience power of silk can pass to bracket retainer 3 by bracket mobile 4, then passes to bracket base 1, finally transmits To tooth, drive teeth training, thus straightening of teeth.

Pluck at arch wire and unload aspect, open slidingtype pin key attachment structure 5, just can be by related for arch wire bracket mobile 4 from torr Separate on groove retainer 3, simple and convenient.

In the present embodiment, bracket base 1 and bracket body 2 all use rustless steel to make, and facilitate laser welding.

Embodiment 2: the orthodontic bracket of a kind of detachable, its structural representation as illustrated in figs. 5-7, specially bracket maintenance Body projection section is the orthodontic bracket that cylinder combines the detachable of cuboid, including bracket base 19 and bracket body.Its Middle bracket body includes bracket retainer, bracket mobile and be arranged on bracket retainer and contact position with bracket mobile correspondence The fit-type interface arrangment 20 put.Bracket base 19 and bracket body are standard component, bracket base 19 and bracket retainer One-body molded.A projection section 21 being connected with bracket mobile it is provided with, for cuboid and cylindrical on bracket retainer Coalition；The base part of bracket retainer is cuboid.Arch wire groove it is provided with in bracket mobile, cuboid locating part, Arch wire groove two ends are provided with two pairs of bouncing plates.Being provided with opening cavity 22 on cuboid locating part, opening cavity 22 is groove Ditch shape, its interior shape and size are arranged according to projection section 21.Opening cavity 22 and projection section 21 are interference fits.Convex A groove 23 is offered, for increasing the structural elasticity of projection section 21 in platform part 21.Gum jaw to, on bracket retainer Being provided with two hooks 24, this hook 24 can be used for steel ligature or the ligation of rubber ring or installation.By opening cavity 22, Being total to of steel ligature on cuboid locating part, projection section 21, fit-type interface arrangment 20 and hook 24 or rubber ring Same-action so that bracket retainer is fixed relative to position with bracket mobile.

Embodiment 3: the bracket body of the orthodontic bracket of a kind of detachable, its structural representation as seen in figs. 8-10, its Projection section is prismatoid.Bracket body includes bracket retainer, bracket mobile and pin joint structure 25.Bracket retainer bag Including prismatoid base part 26, prismatoid projection section 27, prismatoid projection section 27 is smaller in size than prismatoid base part 26, The soft cushion of a thin layer 28 is adhered on the sidewall of prismatoid projection section 27.Arch wire groove it is provided with, ladder in bracket mobile Body locating part 29, and it is arranged on the rigid grasp component 30 at arch wire groove two ends.It is provided with opening on prismatoid locating part Die cavity 31, its interior shape and size are arranged according to prismatoid projection section 27.Opening cavity 31 and prismatoid projection section 27 For interference fits.Rigid grasp component 30 is to produce plastic deformation by external force, thus clamps the component of arch wire.Pin joint structure 25 For running through bracket retainer and the pin-and-hole 32 of bracket mobile correspondence position, coordinate with bearing pin 33.By opening cavity 31, trapezoidal Body locating part 29, prismatoid projection section 27 and pin shaft connection structure 25 so that after assembling, bracket retainer and bracket are movable The relative position of body is fixed.

Pin joint structure can be a bearing pin and a pin-and-hole, it is also possible to is many bearing pins and the pin-and-hole of respective amount, with Time can also be pin key and cotter way with the use of.

Claims (18)

1. an orthodontic bracket for detachable, including bracket base and bracket body, it is characterised in that: described bracket body Including bracket retainer and bracket mobile and connecting elements, bracket retainer is connected with bracket base, bracket mobile with Arch wire connects, and bracket retainer and bracket mobile can realize the connection of detachable by connecting elements；Described bracket The opening cavity that can contain all or part of bracket retainer it is provided with in mobile.

The orthodontic bracket of detachable the most according to claim 1, it is characterised in that: arrange in described bracket mobile Arch wire groove and locating part, arch wire groove is had to be connected with locating part.

The orthodontic bracket of detachable the most according to claim 2, it is characterised in that: described opening cavity is arranged on limit On the part of position.

The orthodontic bracket of detachable the most according to claim 3, it is characterised in that: the shape of described opening cavity depends on Arrange according to the shape of bracket retainer, be interference fits with bracket retainer.

The orthodontic bracket of detachable the most according to claim 4, it is characterised in that: described bracket retainer is at bracket Cross sectional shape on the opening direction of the opening cavity of mobile's locating part is circular or polygon or a combination thereof.

The orthodontic bracket of detachable the most according to claim 5, it is characterised in that: described bracket retainer is boss Structure, including the base part being connected with bracket base and the projection section contained by bracket mobile opening cavity；Described The shape of the base part being connected with bracket base include cylinder, cuboid, prismatoid or a combination thereof；Described by bracket The shape of the projection section that mobile's opening cavity contains is the most consistent with the interior shape of opening cavity, including circle Cylinder, cuboid, prismatoid or a combination thereof；The external shape of described bracket mobile locating part is according to bracket retainer and torr The shape of the base part that trough floor connects is arranged, including cylinder, cuboid, prismatoid or a combination thereof.

The orthodontic bracket of detachable the most according to claim 2, it is characterised in that: described bracket mobile is at arch wire Being provided with arch wire latch member on groove, arch wire latch member is fixing with arch wire groove to be connected.

The orthodontic bracket of detachable the most according to claim 7, it is characterised in that: described arch wire latch member is arranged Two ends at arch wire groove.

9. according to the orthodontic bracket of the detachable described in claim 7 or 8, it is characterised in that: described arch wire latch member Be one by external force formed plastic deformation thus clamp the rigid grasp component of arch wire.

The orthodontic bracket of detachable the most according to claim 9, it is characterised in that: described rigid grasp component is The tubular structure of local openings, its cross sectional shape includes 。

11. according to the orthodontic bracket of the detachable described in claim 7 or 8, it is characterised in that: described arch wire kayser structure Part be one when arch wire passes formed elastic deformation thus clamp the resilient clipping members of arch wire.

The orthodontic bracket of 12. detachables according to claim 11, it is characterised in that: described resilient clipping members is On the sidewall of arch wire groove relative to and a pair bouncing plate setting.

The orthodontic bracket of 13. detachables according to claim 1, it is characterised in that: described connecting elements is for arranging Attachment structure on bracket retainer and/or bracket mobile or for the structure of ligation or a combination thereof.

The orthodontic bracket of 14. detachables according to claim 13, it is characterised in that: described attachment structure is clamping Structure, pin joint structure, self-locking structure or a combination thereof.

The orthodontic bracket of 15. detachables according to claim 14, it is characterised in that: described interface arrangment is for arranging Bracket retainer contact position corresponding with bracket mobile agree with structure；Described pin joint structure include pin shaft structure, Pin key structure or a combination thereof, can be one or more, opens on the correspondence position of bracket retainer and bracket mobile simultaneously It is provided with pin-and-hole or cotter way；Described self-locking structure is the self-locking structure being arranged on the locating part of bracket mobile.

The orthodontic bracket of 16. detachables according to claim 15, it is characterised in that: described interface arrangment is for arranging Bracket retainer contact position corresponding with bracket mobile agree with structure, on bracket retainer, is provided with increase torr simultaneously The groove of groove retainer structural elasticity.

The orthodontic bracket of 17. detachables according to claim 13, it is characterised in that: the described structure for ligation For piling strtucture, including boss, the bracket wing, hook.

The orthodontic bracket of 18. detachables according to claim 1, it is characterised in that: described bracket body also includes Soft cushion, this soft cushion is the adhesive layer in bracket retainer and/or bracket mobile or separate piece, is arranged on torr On all or part of region that groove retainer and bracket mobile contact.