CN104546162B - Force value correction dental arch filament and its moulding process and device are rescued in a kind of gradual change - Google Patents
Force value correction dental arch filament and its moulding process and device are rescued in a kind of gradual change Download PDFInfo
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- CN104546162B CN104546162B CN201410821176.3A CN201410821176A CN104546162B CN 104546162 B CN104546162 B CN 104546162B CN 201410821176 A CN201410821176 A CN 201410821176A CN 104546162 B CN104546162 B CN 104546162B
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- dental arch
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Abstract
The present invention relates to a kind of gradual change to rescue force value correction dental arch filament and its moulding process and device.This kind of correction dental arch filament is rescued force value and modulus of elasticity toward backteeth position from labial teeth position and gradually changed, and different dental difference patient can be supplied to more reasonably to rescue force value, reduces infringement of the Orthodontic force to periodontal membrane tissue.The present invention realizes the gradual change that different parts on single correction dental arch filament rescue force value by changing the shape of cross section of correction dental arch filament different parts and by aging heat treatment mode rescue the adjustment of force value.
Description
Technical field
The present invention relates to a kind of mouth cavity orthodontic dental arch filament and its moulding process and device.
Background technology
Effect of the correction dental arch filament in orthodontic therapy field is self-evident, correction dental arch filament cooperation bracket (including metal support
Groove, ceramic bracket etc.), buccal tube, the product such as band can complete most orthodontic treatments, the effect of correction dental arch filament be
It is supplied to the lasting force value of tooth to complete the movement to tooth during rescuing.Correction dental arch filament can be divided into NiTi by performance
Correction dental arch filament, stainless steel correction dental arch filament, β titanium correction dental arch filaments, but with rescue theoretical research deeply and it is ripe and
The arrival in personalized epoch, conventional orthodontic dental arch filament can not fully meet the requirement in market, so many epoch products meet the tendency of
And give birth to, such as concealed tooth arch string, colored dental arch filament occur one after another.
Meanwhile dental arch filament rescues the size of force value and distribution also increasingly receives the attention of expert and doctor.General one
Example orthodontic treatment case needs the time of 1~2 year, and some patients or doctor rescue force value to shorten the increasing of course for the treatment of blindness,
Finally not only there is no shortening to rescue the time, producing injury to periodontal membrane tissue on the contrary makes tooth mobility, and after increasing and rescuing
The possibility of recurrence.The force value tooth that kicks the beam can not produce movement, and the excessive tooth of force value can not also move on the contrary, only it is gentle persistently
Force value be only optimal selection, low force, which is rescued, at present theoretical has obtained universal accreditation.
Additionally, it is well known that different teeth is with different shapes, different sizes and with different root pipe numbers
Mesh, the length and thickness of the tooth root pipe of different parts are also otherwise varied, necessarily cause the force value needed for moving teeth also different.
Central incisor form is smaller and is single pipe, and grinds one's teeth in sleep that some are then three root pipes and grow more sturdy, so being adapted to
The force value of rescuing of central incisor just seems relatively light for grinding one's teeth in sleep, and possibly can not move and grind one's teeth in sleep, on the contrary, the force value for being adapted to grind one's teeth in sleep can
Can be proved according to the study because of the excessive damage for causing central incisor tissue, the relatively reasonable translational speed of tooth be every month 1~
1.5mm。
Correction production industry is just making great efforts the research and development that there is gradual change to rescue force value correction dental arch filament product to this kind at present, but all
The progress of achieving no breakthrough property, now an only external enterprise has researched and developed success, but because cost is higher, does not obtain always energetically
Popularization and use, and the country has no any Related product and report.The present invention proposes the correction dental arch of this kind of gradual change force value
The production and processing technology and device of silk, the mass production of product is realized, correction yarn quality is stable, mechanical performance is controllable.
The content of the invention
To solve problem described above, the present invention proposes a kind of gradual change and rescues force value correction dental arch filament and its shaping work
Skill and device, using the technique and device prepare correction dental arch filament it is simple, conveniently, can mass production, the gradual change rescues force value
The advantages of correction dental arch filament, is as follows：
The 1st, tooth of the suitable force value to different tooth position can be provided simultaneously；
2nd, the pain of patient is alleviated, avoids the damage of periodontium；
3rd, reduce to change a thread frequency and improve and rescue efficiency, the sidesway for effectively controlling dental arch filament adds and rescues success rate.
A kind of gradual change of the present invention rescues force value correction dental arch filament and its moulding process and device by following two basic schemes
Carry out：
Scheme one：Interrupted aging is heat-treated, and its technique is according to the following steps：
Step 1: the preparation of mould and silk material, wherein mould are the homemade mould part as shown in Figure 2 of the present invention,
Die bottom plate (1), two block main body moulds (2) of left and right, thermal insulation board (3), briquetting (4), fastening screw (5).With welding or machinery even
Connect mode the block main body mould (2) of left and right two links together with die bottom plate, centre insertion thermal insulation board (3), with briquetting by its
It is fixed, the silk material of regulation string diameter is wound on mould, winding displacement distance is 0.3mm~0.5mm.
Be 500 DEG C~580 DEG C by salt bath furnace temperature setting Step 2: Ageing Treatment, after temperature stabilization, by mould and
Silk material is immersed in salt bath furnace down by mode labial teeth as described in Figure 3 together, and immersion mode has three kinds：One kind for it is overall at the uniform velocity under
Drop, decrease speed are 3~8mm/min, when immersing to mould center line position, are quickly proposed after 10~30min of static insulation, will
Mould immerses mode after rotating 180 ° more than to be carried out, after the completion of integrally come out of the stove water cooling；One kind quickly immerses to be overall, static guarantor
At the uniform velocity lifted after warm certain time, static soaking time is 10~30min, and lifting speed is 3~8mm/min；Another kind is point
Three stages were quickly immersed, and dental arch filament is divided into three parts according to different requirements, as shown in figure 1, being immersed in per the stage specified
5~10min of static insulation behind position, until the phase III be completely immersed in 10~30min of static insulation.
Step 3: surface acid-washing polishing.
Scheme two：The processing of pickling reducing, is comprised the following steps that：First, Ageing Treatment, silk material and mould are put in box resistance
In stove, 500 DEG C~580 DEG C, 20~40min of soaking time of aging temp, water cooling after coming out of the stove；2nd, surface polishing；3rd, tooth
The processing of arch wire reducing, is at the uniform velocity lifted up after dental arch filament labial teeth part is immersed in acid solution downwards, by the way of repeatedly immersing
Until silk material reaches size requirement, the time of acid solution is immersed every time no more than 7s, and overlong time is easily caused the change of overpickling silk material
Crisp, each pickling after proposing needs that size is rinsed and measured with clear water.Acid liquor temperature is more than 80 DEG C, and acid solution proportioning is H2O∶HF∶HNO3
=30~60: 60~90: 100~120.
Gradual change rescues the shaped device of force value correction dental arch filament as shown in Fig. 2 die bottom plate (1), main body mould in scheme one
Tool (2), briquetting (4) are heat-resistance stainless steel material, and thermal insulation board (3) is high temperature resistant heat insulation material.Bottom plate and body die welding
Or the mode of threaded connection links together, there can not be gap between the two, thermal insulation board is inserted between two pieces or so body dies
Locking clamping block afterwards, it is ensured that heat insulation does not loosen.Scheme one is mainly adjusted by controlling the heat time of different parts silk material
The Af points of correction dental arch filament, at identical temperature, time longer Ti3Ni4More, matrix nickel content reduction phase transformation is mutually separated out in crystal boundary
Point rise, correction dental arch filament become soft.Scheme two mainly controls the force value of correction silk by changing silk material string diameter.
Brief description of the drawings
Force value correction dental arch filament different tooth position zoning plan is rescued in Fig. 1 gradual changes of the present invention.
Force value correction dental arch filament shaped device structural representation is rescued in Fig. 2 gradual changes of the present invention.
Force value correction dental arch filament salt bath heat treatment figure is rescued in Fig. 3 gradual changes.
Force value correction dental arch filament is rescued in Fig. 4 varying cross-section string diameter gradual changes.
Embodiment
The random combine of shaping scheme described above and any each technological parameter and change belong to the scope of the present invention,
Equally, shaped device it is any can think of structure change belong to the scope of the present invention, detailed description below should also be received
Enter the scope of the present invention.
Embodiment one
Gradual change of the present invention is rescued the heat-treating profiled technique of force value correction dental arch filament interrupted aging and carried out according to the following steps：
1st, upper mould, Φ 0.41 NiTi is justified into silk close-packed arrays on device of the present invention, winding displacement distance is 0.3；
2nd, interrupted aging is heat-treated, and salt bath furnace temperature setting is 540 DEG C, by mould and silk material together 1 region as shown in Figure 1
Labial teeth part is first dipped into salt bath furnace down, overall uniform descent, decrease speed 5mm/min, treats that mould half immerses salt bath
Stop declining when middle, it is quick after static insulation 15 minutes to propose salt bath, mould is rotated 180 ° by other half after air cooling 5min
Carry out as stated above, after the completion of integrally take out water cooling；
3rd, it is surface-treated, dental arch filament is cut off along mould center line, scattered to be put in rough polishing 20min in helical polishing machine, acid
Wash away Pi Houzai and be put in polishing 1 hour in vibratory finishing machine, take out cleaning, drying.
Embodiment two
The difference of present embodiment and embodiment one is that the heat treatment of interrupted aging described in step 2 is by correction
The region of dental arch filament 1 is down, quick to immerse in salt bath furnace to mould center line, after static insulation 20min with 5mm/min speed at the uniform velocity
Mould is lifted, rotate 180 ° after the air cooling 5min that comes out of the stove is carried out by above-mentioned steps again, and remaining step is identical with embodiment one.
Embodiment three
The difference of present embodiment and embodiment one is that interrupted aging heat treatment is segmentation descent method in step 2,
Three phases are divided quickly to immerse as shown in Figure 1,1 region is incubated 7min after quickly immersing, 2 regions are incubated 7min, 3 regions after immersing
Integral heat insulation 10min after immersion, air cooling after coming out of the stove, remaining step are identical with embodiment one.
Embodiment four
The difference of present embodiment and embodiment one is that selected NiTi silk material is 0.41 × 0.635 square silk, is arranged
Linear distance is 0.4, and remaining step is identical with embodiment one.
Embodiment five
Handled using reducing and change the string diameters of dental arch filament different parts and reach and rescue the gradual change of force value, with 550 DEG C of batch-type furnace
It is incubated 34min and preforming processing is carried out to Φ 0.40mm dental arch filaments, acid is quickly immersed into downwards in the preforming good region of dental arch filament 1
In liquid, lifted with 10mm/min speed, fraction time immersion acid solution is 0.31 up to labial teeth center section dental arch filament string diameter, acid solution
Match as H2O∶HF∶HNO3=50: 60: 120.
Claims (3)
1. force value correction dental arch wire forming process is rescued in a kind of gradual change, it is characterised in that is comprised the following steps：NiTi silk material is twined
It is around on mould, it is immersed to salt bath in heating furnace, decrease speed in a manner of uniform descent in a manner of labial teeth position is directed downwardly
For 3~8 mm/mins, when immersing to mould center line position, static insulation is quickly proposed after 10~30 minutes, and mould is revolved
Mode is immersed more than after turning 180 ° to carry out, after the completion of integrally come out of the stove water cooling；Wherein aging temp is 500 DEG C~580 DEG C.
2. force value correction dental arch wire forming process is rescued in a kind of gradual change, it is characterised in that is comprised the following steps：NiTi silk material is twined
It is around on mould, in salt bath until mould center line position is quickly immersed in a manner of labial teeth is directed downwardly and stops declining, static insulation 10
At the uniform velocity rise after~30 minutes, at the uniform velocity the rate of climb is 3~8 mm/mins；Mode is immersed after mould is rotated into 180 ° more than
Carry out, after the completion of integrally come out of the stove water cooling；Wherein aging temp is 500 DEG C~580 DEG C.
3. force value correction dental arch wire forming process is rescued in a kind of gradual change, it is characterised in that is comprised the following steps：NiTi silk material is twined
It is around on mould, labial teeth part is divided into three parts, in a manner of labial teeth part is directed downwardly, labial teeth position Part I is quickly soaked
Enter salt bath in heating furnace, be incubated 5-10 minutes, by that analogy until labial teeth part is completely immersed in rear static insulation 10~30 minutes；
Mode is immersed more than after mould is rotated into 180 ° to carry out, after the completion of integrally come out of the stove water cooling；Wherein aging temp be 500 DEG C~
580℃。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410821176.3A CN104546162B (en) | 2014-12-19 | 2014-12-19 | Force value correction dental arch filament and its moulding process and device are rescued in a kind of gradual change |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410821176.3A CN104546162B (en) | 2014-12-19 | 2014-12-19 | Force value correction dental arch filament and its moulding process and device are rescued in a kind of gradual change |
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| CN104546162A CN104546162A (en) | 2015-04-29 |
| CN104546162B true CN104546162B (en) | 2018-03-16 |
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| CN105568357A (en) * | 2016-01-08 | 2016-05-11 | 江阴法尔胜佩尔新材料科技有限公司 | Nickel-titanium wire obtained through continuous electrochemical polishing |
| CN112872087B (en) * | 2021-02-27 | 2022-06-17 | 苏州英忆新材料有限公司 | Production method of memory alloy wire capable of being automatically shaped |
| CN112935009B (en) * | 2021-02-27 | 2022-06-17 | 苏州英忆新材料有限公司 | Production method of orthodontic wire capable of automatically shaping oral cavity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111607C (en) * | 2000-08-30 | 2003-06-18 | 郑玉峰 | Thermally activated Ti-Ni wire for correcting shape of tooth and its preparing process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412819A (en) * | 1982-09-15 | 1983-11-01 | Cannon James L | Orthodontic arch wire |
| JPH039712U (en) * | 1989-06-20 | 1991-01-30 | ||
| CN102189140A (en) * | 2011-04-25 | 2011-09-21 | 湖北长天通信科技有限公司 | Pressure mold box for cold drawing of high-carbon steel wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111607C (en) * | 2000-08-30 | 2003-06-18 | 郑玉峰 | Thermally activated Ti-Ni wire for correcting shape of tooth and its preparing process |
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