CN102178563B - Orthodontic molar C-shaped open band ring and manufacturing method thereof - Google Patents
Orthodontic molar C-shaped open band ring and manufacturing method thereof Download PDFInfo
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- CN102178563B CN102178563B CN 201110057699 CN201110057699A CN102178563B CN 102178563 B CN102178563 B CN 102178563B CN 201110057699 CN201110057699 CN 201110057699 CN 201110057699 A CN201110057699 A CN 201110057699A CN 102178563 B CN102178563 B CN 102178563B
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Abstract
The invention relates to an orthodontic molar C-shaped open band ring and a manufacturing method thereof. The orthodontic molar C-shaped open band ring is an orthodontic molar anchorage device and consists of a cheek side face, a tongue side face, a distal surface, a section extending from a mesiobuccal axis angle position to a mesial surface, a section extending from a near tongue axis angle position to the mesial surface, a buccal tube and an overflow hole. The orthodontic molar C-shaped open band ring has a C-shaped band ring structure. The orthodontic molar C-shaped open band ring is combined with teeth by adhesive, and surrounds the dental crowns of the molars. The orthodontic molar C-shaped open band ring is available in big, middle and small sizes and can be fit with the shape of the crowns of the molars easily and can be regulated according to the micro shape differences between the teeth. When the orthodontic molar C-shaped open band ring is used, the complex and pain caused by tooth separation before orthodontic fixing can be avoided, the adhesion strength of the band ring and the crowns of the molars can be improved, the fixing is permanent, the loosening of the band ring is prevented, diagnosis times are reduced, the problem of tooth gap residue when the band ring is removed after the treatment is accomplished is solved, and blockage by food is avoided.
Description
Technical field
The present invention relates to a kind of novel orthodontic therapy device-C shape opening band and manufacture method thereof.This band is to difformity higher the matching property of grinding one's teeth in sleep, and its inner surface applies one deck nano-grade hydroxy apatite, can improve adhesion strength between band and corona, gives full play to its anchorage effect.
Background technology
The development of fixed appliance is last 100 years, but no matter which kind of rescues system, and band all is a very important ingredient.With regard to the present technology of rescuing, there is not the participation of band can not be the malocclusion treatment.
The tradition orthodontic band is to become in advance multiple different model and directly select.The clinician only comforms and selects and the band of grinding one's teeth in sleep and matching its good maintenance effect of competence exertion in the polytypic.Orthodontic treatment is to pass by arch wire that bonding bracket forms force application system jointly on buccal tube on the band and the facing, power is applied to tooth and is delivered on the jawbone, wherein most important form is to grind one's teeth in sleep as anchorage and constantly to adjust force application system and finish Tooth Movement.
But there are some shortcomings in traditional band:
1. traditional preforming orthodontic band has tens models, differs 0.5mm between each model, even sophisticated doctor also will select and try on repeatedly in patient's mouth repeatedly.Therefore the other operating time of chair and the patient that have greatly increased the doctor dehisce the time, have also increased the chance of cross infection simultaneously.
2. traditional band must divide tooth about 24 hours before wearing in advance, so the patient needs two day time to wear fully use whole fixed appliances at least, and this has caused very large inconvenience to student and nonlocal patient.
3. rigid minute tooth and stimulus object too much all can increase the weight of the damage of periodontal tissue.The accidents such as minute tooth device mistake pharynx also may occur.The patient reflects that generally the process of wearing with minute tooth device is very painful.
4. traditional orthodontic band material is stainless steel substrates or metal alloy film, itself has certain thickness, in the time of under it descends contact point, certainly will be with the gap enlargement between the adjacent teeth of both sides, when rescue finish to take off band after, adjacent two teeth tend to mobilely close the gap that produces, thereby lose normal abutment points and the wedge-like gap occurs, then produce food impaction, this is the main cause that causes periodontal disease.
5. the tooth body anatomic form of grinding one's teeth in sleep is determining the drawback of traditional band.The tradition band can not well coincide with the corona profile, and especially the corona height of contour is following falls recessed district, and traditional band can't be accomplished with corona closely connected.In addition, the tradition band be the jaw state of lower jaw dental articulation (upper) side from tooth vertically wear into, the inner surface of band can produce frictional force with the height of contour place of corona, binding agent can overflow from the jaw face by herein the time, will cause so the following adhesive-coated of height of contour not enough, for the accumulation of soft dirt and the breeding of antibacterial provide the place.
For overcoming the above problems this orthodontic molar C-shaped open band ring of invention.
Summary of the invention
The invention provides a kind of novel anchorage device-orthodontic molar C-shaped open band ring and manufacture method thereof, and surface-coated one deck nano-grade hydroxy apatite within it.Use this device can realize that clinical manipulation is easy, save time in the orthodontic therapy process, maintenance is firm and safe and efficient.
For achieving the above object, the invention provides a kind of orthodontic molar C-shaped open band ring, it comprises: the distal surface of band, the buccal aspect that is connected with distal surface respectively and tongue side, buccal aspect and tongue side nearly cheek axis angle and nearly tongue axis angle place near gradually attenuation become round blunt shape Cheng Jinzhong cheek side section and near in tongue side section; The inner surface coated with nano level hydroxyapatite coating layer of band.
The present invention also provides a kind of manufacture method of orthodontic molar C-shaped open band ring, and it may further comprise the steps:
At first make the accessional teeth mold, then the accessional teeth mold by molding carries out rolling to the preforming stainless steel strip band of setting thickness and length;
Inner arc radian and extension shape according to the accessional teeth mold are carried out roll forming and blasting treatment to stainless steel strip;
Punching press overflowing hole strikes out segment by the different size model of tooth girth with stainless steel strip;
With stainless steel strip by the buccal aspect of accessional teeth mold, tongue side, distal surface and near in extended surface surround the C shape opening orthodontic band of grinding one's teeth in sleep;
Buccal aspect at band welds buccal tube;
Inner surface at band carries out the hydroxyapatite coating layer processing.
In the above-described embodiments, the orthodontic molar C-shaped open band ring anchorage device is c-shaped, its structure is three interareas (referring to respectively the buccal aspect of band, the tongue side of band and the distal surface of band), and the elongated surfaces of the buccal aspect of band and tongue side (for the both sides free-end gradually attenuation to become circle blunt and extend to the part of mesial surface), these several parts hold the corona of grinding one's teeth in sleep jointly.Orthodontic molar C-shaped open band ring can be avoided dividing the loaded down with trivial details and painful of tooth before the just abnormal fixed orthodontic, greatly reduce the screening of band and try number of times on, and band and corona are farthest coincide and binding agent is filled with more uniformly with the space between ring inner surface and the corona, can also exempt diastema leftover problem when treatment is rear removes band, prevent food impaction.The mesial surface of cancelling in addition band also can reduce the near middle gum method, edge of band greatly to the pessimal stimulation of periodontal.And after mouth cavity orthodontic applied the hydroxyapatite special handling with the C shape opening band ring inner surface of grinding one's teeth in sleep, can greatly improve the adhesion strength of itself and binding agent, thereby increase retention, prevent that band from getting loose.Have simple in structure, cost is low, be easy to the advantages such as batch production.
Description of drawings
Fig. 1 is the orthodontic molar C-shaped open band ring anchorage device front view of one embodiment of the invention;
Fig. 2 is the right side view of Fig. 1 orthodontic molar C-shaped open band ring anchorage device;
Fig. 3 is the sketch map of Fig. 1 orthodontic molar C-shaped open band ring anchorage device;
Fig. 4 is the nearly mesognathy face sight of Fig. 1 orthodontic molar C-shaped open band ring anchorage device and the sketch map of hydroxyapatite coating layer;
Fig. 5 is the front view after orthodontic molar C-shaped open band ring anchorage device and corona bonding are coincide;
Fig. 6 is the top view after Fig. 5 orthodontic molar C-shaped open band ring anchorage device and corona bonding are coincide;
Fig. 7 is the front view A-A cross section after Fig. 5 orthodontic molar C-shaped open band ring and corona bonding are coincide;
Fig. 8 is the right side view after Fig. 5 orthodontic molar C-shaped open band ring anchorage device and corona bonding are coincide.
The specific embodiment
According to one embodiment of present invention, (referring to Fig. 1～8) present embodiment is comprised of to the extension f (cheek side section near) of mesial surface to extension e (tongue side section near), the nearly cheek axis angle of the band place of mesial surface buccal aspect a, the tongue side b of band, distal surface c, the buccal tube d of band of band, the nearly tongue axis angle of the band place of band; The jaw side g of band and the convergence arc that gum side h arranges are arranged on described buccal aspect a, three interareas of tongue side b, distal surface c; Be provided with binding agent overflowing hole i on tongue side section e and the nearly middle cheek side section f near; The corona height of contour is arranged with down recessed district j; The band ring inner surface is provided with hydroxyapatite coating layer o; Be provided with cohesion design p more than the height of contour of band jaw side; The height of contour q that also has corona, the horizontal range A of the salient point in band cheek-tongue direction vertical section, the horizontal range B of the salient point in jaw side, band cheek-tongue direction vertical section, the horizontal range C of the salient point in gum side, band cheek-tongue direction vertical section.
Orthodontic molar C-shaped open band ring holds the corona of grinding one's teeth in sleep jointly by its buccal aspect a, tongue side b, distal surface c and nearly middle tongue side section e, nearly middle cheek side section f.The nearly middle tongue side section e of band and nearly middle cheek side section f gradually attenuation become round blunt.The height of band distal surface narrows down gradually in centre, more meets the physiology profile of corona.Wherein, near in tongue side section e and near in cheek side section f be according to the axial plane configuration design of tooth body, itself and a, b, c are as a whole, extend to the cheek tongue embrasures place of the nearly middle proximal surface of corona, its effect is mainly the maintenance that increases band, increases bond area, reduces patient's foreign body sensation.
Be provided with buccal tube d on the buccal aspect a of band, utility arch is terminal to be inserted, and plays fixation.Little hook is arranged on the buccal tube, can be used for hanging elastic tape etc. and do in the jaw or the intermaxillary traction effect.
In band near tongue side section and near in cheek side section be designed with binding agent overflowing passage i, the stress distribution of binding agent is inhomogeneous in the time of not only can avoiding band in place, also can improve binding agent and with the bond strength of interannular, thereby has reduced the expulsion rate of band.
Jaw side's horizontal range of orthodontic molar C-shaped open band ring is B, gum side's horizontal range is C, and the horizontal range of the salient point of buccolingual diameter is A, the cohesion p that is designed to that the height of contour of jaw side is above, the height of contour of corona is q, and the recessed district of falling under the corona height of contour is j.The axial plane profile of present embodiment, the physiological curve of corona has been simulated in maximization, has overcome traditional four sides band and can not enter down the following shortcoming in recessed district, and the mechanical stimulus to gingiva of having reduced to overhang has increased effective bond area of band.
The jaw method, edge g of band and gum method, edge H-shaped become cohesion design, make it more to coincide closely connected with jaw 1/3 and the gum 1/3 of corona.The gum method, edge h of band is positioned on the gum, and enters the recessed district of falling of corona, reduces to overhang, and reduces the band edge to the stimulation of gingiva tissue.
Orthodontic molar C-shaped open band ring holds corona from buccal aspect a, distal surface c, tongue side b, the both sides free-end gradually attenuation to become circle blunt and extend to the part of mesial surface, the air line distance of band mesial surface breach is 1/2 of the nearly middle proximal surface of corona, and the extension of mesial surface both sides respectively is 1/4 of the nearly middle proximal surface of corona.Can remove like this loaded down with trivial details and painful of minute tooth before the just abnormal fixed orthodontic, and reduce medical number of times, the diastema leftover problem is avoided food impaction when removing band after also can avoiding simultaneously treatment to finish.A part of cancelling in addition the band mesial surface also can reduce the near middle gum method, edge of band greatly to the pessimal stimulation of periodontal.
The inner surface of orthodontic molar C-shaped open band ring applies one deck nano-grade hydroxy apatite coating o, has increased the adhesion strength of band and binder interface.
Press the size of accessional teeth, orthodontic molar C-shaped open band ring can be divided into greatly, in, little three kinds of specifications, its girth is respectively 24.5mm, 32mm or 39mm, and the band ring thickness is 0.18～0.20mm.The tooth body hour, nearly stage casing part is just large, otherwise then less.According to the anatomic form of tooth body itself, in its jaw side and gum Fang Jun be designed with interior convergence radian to increase the identical closely connected degree of itself and tooth body.Band wear fashionable elder generation in place far away in proximal surface, again from the side with buccal surface, lingual surface around the corona of grinding one's teeth in sleep.For the unerupted patient of second permanent molar, orthodontic molar C-shaped open band ring is directly worn to sixth-year molar.For the patient of eruption of second permanent molar, then can be worn on the second permanent molar.
The manufacture method of orthodontic molar C-shaped open band ring anchorage device and inner surface apply method for coating hydroxyapatite, and step is as follows:
One. at first make three kinds of specification accessional teeth molds, then carry out rolling by molding fetal to the preforming stainless steel strip band of certain thickness (0.18-0.20mm), certain-length.
Two. inner arc radian and extension shape according to the accessional teeth mold are carried out roll forming and blasting treatment.
Three. to the punching press of overflowing hole, cut into segment by the different size model of tooth girth.
Four. surround the C shape opening orthodontic band of grinding one's teeth in sleep with the accessional teeth mold by buccal aspect, tongue side, distal surface and extension respectively.
Five. at the buccal aspect a of band welding buccal tube d.
Six. the inner surface at band carries out the hydroxyapatite coating layer processing, and treatment step is as follows:
1. to be made into the calmness of hydroxyapatite coating in 15 minutes stand-by by stirring at 3: 1 with nano-grade hydroxy apatite powder and phosphoric acid colloidal sol.
2. apply one deck nano-grade hydroxy apatite coating at the orthodontic molar C-shaped open band ring inner surface.
3. cated orthodontic molar C-shaped open band ring is at temperature 15-20 ℃, and natural drying is 6 hours under the humidity 55-65% ventilated environment.
4. cated orthodontic molar C-shaped open band ring was put into the heating furnace roasting behind the natural drying, in 850 ℃ of lower insulations 1.5 hours.
5. orthodontic molar C-shaped open band ring is taken out, in air, be cooled to after the room temperature clinical for subsequent use.
The above embodiment of the present invention has realized following beneficial effect:
1. clinical manipulation is easy, has greatly saved the other operating time of chair.Have large, medium and small three kinds of specifications and models, need not repeatedly to try on, the doctor is easy and simple to handle, patient's time shorten of dehiscing.
2. the patient need not to divide in advance tooth, has not only reduced medical number of times, and avoided that minute tooth brings chew inconvenience and pain.This is particularly important for student and nonlocal patient.
3. reduced the possibility of iatrogenic gingivitis or periodontal disease.The present invention can simulate natural corona appearance curve, has avoided traditional band " overhanging " to stimulate, and has reduced the mesial surface of band, thereby greatly reduced the generation of periodontal.
4. band is made the raising of precision.The design and fabrication of domestic and international traditional band profile is only considered the degree of the above part band of corona height of contour and facing driving fit, such as the slight cohesion and cheek of band jaw side 1/3, the form of lingual groove etc.And for the following part of height of contour, the closed intensity of band and facing can't improve, can only filling up by means of binding agent on the desirable meaning.And the design of this invention has increased both closed intensities greatly closer to the physiology profile of corona.
5. the wedge-like gap between adjacent the grinding one's teeth in sleep that occurs owing to the dismounting band after the present invention can avoid rescuing and finish, thus the bacterial reproduction that causes owing to food impaction reduced, reduce the incidence rate of periodontal disease.
6. the saving of material cost.Mouth cavity orthodontic is made by austenitic stainless steel with band, and institute's consumption material accounts for the major part of fixed appliance.After rescuing end, these are just abnormal not to can be recycled again with adnexa.And orthodontic molar C-shaped open band ring reduces 1/8 size than traditional band, and maintenance is difficult for getting loose well, is out of shape, scraps, so the present invention saved the cost of material greatly, thereby has reduced the waste of non-renewable resources.
7. process with the hydroxyapatite coating layer of ring inner surface, greatly increased the bond strength of this band and binder interface, the expulsion rate when reducing clinical use.
One of ordinary skill in the art will appreciate that: the module in the device among the embodiment can be described according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of embodiment of the invention technical scheme.
Claims (7)
1. an orthodontic molar C-shaped open band ring is characterized in that, comprising:
The distal surface of band (c), the buccal aspect (a) that is connected with distal surface (c) respectively and tongue side (b), buccal aspect (a) and tongue side (b) at nearly cheek axis angle and nearly tongue axis angle place near gradually attenuation become round blunt shape Cheng Jinzhong cheek side section (f) and nearly middle tongue side section (e); Buccal aspect (a) is provided with buccal tube (d);
The inner surface coated with nano level hydroxyapatite coating layer of described band.
2. orthodontic molar C-shaped open band ring according to claim 1 is characterized in that, is respectively arranged with binding agent overflowing passage (i) on nearly middle tongue side section (e) and the nearly middle cheek side section (f).
3. orthodontic molar C-shaped open band ring according to claim 1 is characterized in that, described band girth is 24.5mm or 32mm or 39mm, and described band ring thickness is 0.18 ~ 0.20mm.
4. orthodontic molar C-shaped open band ring according to claim 1 is characterized in that, described band is provided with the interior convergence of convergence radian (g) and gum side radian (h) in the jaw side.
5. orthodontic molar C-shaped open band ring according to claim 1 is characterized in that, the material of described band is the 1Cr18Ni9 rustless steel.
6. the manufacture method of an orthodontic molar C-shaped open band ring is characterized in that, may further comprise the steps:
At first make the accessional teeth mold, then the accessional teeth mold by molding carries out rolling to the preforming stainless steel strip band of setting thickness and length;
Inner arc radian and extension shape according to the accessional teeth mold are carried out roll forming and blasting treatment to stainless steel strip;
Punching press overflowing hole strikes out segment by the different size model of tooth girth with described stainless steel strip;
Stainless steel strip is surrounded the C shape opening band of grinding one's teeth in sleep by buccal aspect, tongue side, distal surface and the extended surface of accessional teeth mold;
Buccal aspect welding buccal tube at band;
Inner surface at band carries out the hydroxyapatite coating layer processing.
7. manufacture method according to claim 6 is characterized in that, carries out the hydroxyapatite coating layer treatment step at the inner surface of band and comprises:
Nano-grade hydroxy apatite powder and phosphoric acid colloidal sol were made into hydroxyapatite coating in 15 minutes by the 3:1 stirring;
Apply one deck nano-grade hydroxy apatite coating at the orthodontic molar C-shaped open band ring inner surface;
At temperature 15-20 ℃, natural drying is 6 hours under the ventilated environment of humidity 55-65 ﹪ with cated orthodontic molar C-shaped open band ring;
Cated orthodontic molar C-shaped open band ring behind the natural drying is put into the heating furnace roasting, and in 850 ℃ of lower insulations 1.5 hours, it was for subsequent use to be cooled to room temperature.
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| US10842594B2 (en) * | 2016-05-24 | 2020-11-24 | Clearcorrect Operating, Llc | Virtual modeling of gingiva adaptations to progressive orthodontic correction and associated methodology of appliance manufacture |
| CN107049527B (en) * | 2017-06-12 | 2023-07-25 | 四川大学 | Treatment guide plate for root canal treatment and preparation method thereof |
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