CN103735327A - Manufacturing method for orthodontic metal square arch wire consistent with dental arch curve - Google Patents
Manufacturing method for orthodontic metal square arch wire consistent with dental arch curve Download PDFInfo
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- CN103735327A CN103735327A CN201310623783.4A CN201310623783A CN103735327A CN 103735327 A CN103735327 A CN 103735327A CN 201310623783 A CN201310623783 A CN 201310623783A CN 103735327 A CN103735327 A CN 103735327A
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- arch wire
- arch
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- segment
- torque
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- 210000002455 dental arch Anatomy 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 title claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 20
- 210000004283 incisor Anatomy 0.000 claims abstract description 17
- 238000000605 extraction Methods 0.000 abstract description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention provides a manufacturing method for an orthodontic metal square arch wire (1) consistent with a dental arch curve, and the orthodontic metal square arch wire (1) is mainly applied to a stage of retracting anterior teeth and closing tooth extraction clearance when a straight-wire arch sliding method is used. The arch wire (1) has a rectangular cross section and is divided into a front segment and a rear segment. The front-segment arch wire (2) (an area between two lateral incisors) has the lingual root torque with an angle of alpha, and enters a groove and tightly clamps a groove (4); the front-segment arch wire and the groove have no relative displacement at the sagittal plane; and the edge crossing angles of the arch wire are 90 DEG. The rear-segment arch wire (3) has the obtuse edge crossing angles at the cross section, is flat and straight, has no torque and is consistent with a buccal tube and a bracket groove. By adding the torque to the front-segment arch wire, lip root inclination (lingual crown inclination) is avoided to the greatest extent during retraction of anterior teeth, and the uttermost integral parallel movement of anterior teeth during the whole retraction is guaranteed. Due to the fact that the rear-segment arch wire has no torque and a certain clearance is kept between the arch-wire rear segment and the buccal tube and the bracket groove, the frictional force between the arch wire and the groove is reduced when the tooth extraction clearance is closed and the arch wire moves backward.
Description
Technical field
The present invention's invention relates to the metal square arch wire manufacture method of using in orthodontic, belongs to type medical instrument for dental use technical field, is specifically related to a kind of method for production of the mouth cavity orthodontic metal side silk consistent with dental arch camber line.
Background technology
In orthodontic therapy extraction cases process, after tooth leveling comes into line, utilize receipts labial teeth in straight wire appliance sliding scale to close the extraction of tooth space stage.The frictional force that now keeps the overall parallel of dental arch leading portion (labial teeth) and reduce buccal segment (backteeth) is Focal point and difficult point wherein, effectively solves these two problems and all can make orthodontic speed and effect obtain to take on a new look.
But at present in application straight wire appliance sliding scale closes the process of extraction of tooth space, be found to have following problem clinically: 1. in interior receipts labial teeth process, easily cause anterior teeth axle too uprightly even tongue incline, affect labial teeth interlock stable and attractive in appearance.2. back segment arch wire is very large at bracket and buccal tube internal resistance.3. sometimes need doctor to suppress in Upper Anterior Teeth corona to receive too much with torque pincers, but the number of degrees are difficult for grasping, can cause torque not or torque place arch wire is difficult for into groove.
Temporarily also there is no such this type of orthodontic bow-wire that can directly utilize in the market, front and back section designs for meeting difference in functionality needs, and leading portion is with torque, and back segment is not with torque.
Summary of the invention
The object of the present invention's invention is exactly in order to overcome above-mentioned the deficiencies in the prior art, and the manufacture method of a kind of mouth cavity orthodontic arch wire is provided, than common correction metal side silk, more can meet in the process of clinical practice straight wire appliance sliding scale pass extraction of tooth space: labial teeth holding torque parallel, between backteeth and arch wire, frictional force is little, slides freely.
For achieving the above object, the technical measures that the present invention invents employing are: a kind of manufacture method of the mouth cavity orthodontic metal square arch wire consistent with dental arch camber line is provided, and arch wire consists of leading portion arch wire and back segment arch wire two parts.Arch wire leading portion is between two lateral incisors.At upper jaw arch wire leading portion, this has the approximately long 36-38mm in region of torque, and at lower jaw tooth leading portion, this has the approximately long 26mm in region of torque.(scope is between two lateral incisors to leading portion arch wire, comprise two lateral incisors and two central incisors) with root tongue to torque (being the torque of root of the tooth towards lingual direction), the each limit of the arch wire cross section angle of cut is the rectangle of 90 degree, can clamp groove after making like this leading portion arch wire enter bracket; Back segment arch wire (both sides lateral incisor far away in later region) arch wire is straight, and not to be with torque, arch wire cross section be also rectangle but each limit angle of cut is justified blunt.
When three summits of arch wire cross section rectangle prop up three walls of bracket and reach while stablizing, now between arch wire long on one side and on straight silk bow supporting groove (or under) limit, form certain angle, this angle is identical with the lingual root torque of arch wire leading portion, and its angle value equals α (as Fig. 3).When arch wire is when (2) cross sectional dimensions is 0.017 × 0.025 inch, ∠ α is 12.48 ° as calculated; Arch wire is when (2) cross sectional dimensions is 0.018 × 0.025 inch, and ∠ α is 9.84 °; Arch wire is when (2) cross sectional dimensions is 0.019 × 0.025 inch, and ∠ α is 7.24 °; Arch wire is when (2) cross sectional dimensions is 0.020 × 0.025 inch, and ∠ α is 4.75 °; Arch wire is when (2) cross sectional dimensions is 0.021 × 0.025 inch, and ∠ α is 2.33 °.
Arch wire is NiTi or stainless steel, can bend by hand and also can pass through mould preformation.
The present invention compared with prior art has the following advantages:
1, four of the back segment side of arch wire silk corner angle circle is blunt, to reduce tooth frictional force between arch wire and buccal tube, bracket in moving process;
2, the leading portion of arch wire added point tongue to torque, avoid labial teeth that the incline tongue of coming of age of root lip occurs in interior receipts process and incline, make the labial teeth reach overall parallel to greatest extent in whole interior receipts process.
3, the design's arch wire has reduced doctor's labor intensity, has saved the clinical manipulation time, has guaranteed orthodontic effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is section cross section before and after the present invention ((2) is leading portion arch wire cross section, and (3) are back segment arch wire cross section)
Fig. 3 be arch wire leading portion of the present invention enter (left figure), under (right figure) dens supporter groove schematic diagram.
The specific embodiment
A kind of mouth cavity orthodontic arch wire, is mainly used in extraction cases, after tooth leveling comes into line, utilizes receipts labial teeth in straight wire appliance (straight silk bow supporting groove) sliding scale to close the extraction of tooth space stage.To prevent that Upper Anterior Teeth major axis is too upright or to be preced with tongue and to incline (being that corona tilts towards lingual direction), and prevent that the frictional force between arch wire and bracket or buccal tube is excessive, can save clinicist's the other operating time of chair.
As shown in Figure 1, (1) described mouth cavity orthodontic is the correction square arch wire consistent with dental arch camber line with arch wire to arch wire schematic diagram, and material is the metals such as NiTi or rustless steel.Its mainly comprise arch wire leading portion (2) with arch wire back segment (3).Arch wire leading portion (comprises two lateral incisors and two central incisors) between two lateral incisors.At upper jaw arch wire leading portion, this has the approximately long 36-38mm in region of torque, and at lower jaw tooth leading portion, this has the approximately long 26mm in region of torque.Leading portion arch wire (2) (region between two lateral incisors, comprise two lateral incisors and two central incisors) with root tongue to torque α, after making leading portion arch wire (2) enter groove, clamp groove (4), can there is not relative displacement in both on sagittal plane, and each limit, arch wire cross section angle of cut is 90 degree.Back segment arch wire (3) (later region during both sides lateral incisor is far away) cross section angle of cut circle is blunt, and arch wire is straight not to be with torque and to be consistent with buccal tube, bracket groove.When arch wire is when (2) cross sectional dimensions is 0.017 × 0.025 inch, ∠ α is 12.48 °; Arch wire is when (2) cross sectional dimensions is 0.018 × 0.025 inch, and ∠ α is 9.84 °; Arch wire is when (2) cross sectional dimensions is 0.019 × 0.025 inch, and ∠ α is 7.24 °; Arch wire is when (2) cross sectional dimensions is 0.020 × 0.025 inch, and ∠ α is 4.75 °; Arch wire is when (2) cross sectional dimensions is 0.021 × 0.025 inch, and ∠ α is 2.33 °.
During clinical practice, the present invention makes labial teeth holding torque parallel, and between backteeth and arch wire, frictional force is little, slides freely.
Claims (8)
1. a mouth cavity orthodontic metal square arch wire manufacture method (1) consistent with dental arch camber line, it is characterized in that: arch wire consists of two sections of front and back, (scope is between two lateral incisors to leading portion arch wire (2), comprise two lateral incisors and two central incisors) lingual root torque that is α with angle, back segment arch wire (3) (later region during both sides lateral incisor is far away) arch wire is straight is not with torque.
2. the manufacture method of a kind of mouth cavity orthodontic metal square arch wire consistent with dental arch camber line according to claim 1, is characterized in that: the leading portion arch wire that is α with torque (2) can clamp groove (4) after entering groove.
3. the manufacture method of a kind of orthodontic arch filament consistent with dental arch camber line according to claim 1, is characterized in that: each limit, leading portion arch wire (2) cross section angle of cut is the rectangle of 90 degree; Back segment arch wire (3) cross section is also that rectangle but each limit angle of cut circle is blunt.
4. the manufacture method of a kind of orthodontic arch filament consistent with dental arch camber line according to claim 2, wherein, when arch wire cross sectional dimensions is (2) 0.017 × 0.025 inch, ∠ α is 12.48 °.
5. according to the manufacture method of a kind of orthodontic arch filament consistent with dental arch camber line claimed in claim 2, wherein, when arch wire cross sectional dimensions is (2) 0.018 × 0.025 inch, ∠ α is 9.84 °.
6. according to the manufacture method of a kind of orthodontic arch filament consistent with dental arch camber line claimed in claim 2, wherein, when arch wire cross sectional dimensions is (2) 0.019 × 0.025 inch, ∠ α is 7.24 °.
7. according to the manufacture method of a kind of orthodontic arch filament consistent with dental arch camber line claimed in claim 2, wherein, when arch wire cross sectional dimensions is (2) 0.020 × 0.025 inch, ∠ α is 4.75 °.
8. according to the manufacture method of a kind of orthodontic arch filament consistent with dental arch camber line claimed in claim 2, wherein, when arch wire is when (2) cross sectional dimensions is 0.021 × 0.025 inch, ∠ α is 2.33 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310623783.4A CN103735327A (en) | 2013-12-01 | 2013-12-01 | Manufacturing method for orthodontic metal square arch wire consistent with dental arch curve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310623783.4A CN103735327A (en) | 2013-12-01 | 2013-12-01 | Manufacturing method for orthodontic metal square arch wire consistent with dental arch curve |
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| CN103735327A true CN103735327A (en) | 2014-04-23 |
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| CN201310623783.4A Pending CN103735327A (en) | 2013-12-01 | 2013-12-01 | Manufacturing method for orthodontic metal square arch wire consistent with dental arch curve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658193A (en) * | 2020-06-28 | 2020-09-15 | 北京大学口腔医学院 | Manufacturing method of universal orthodontic arch wire and orthodontic arch wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424033A (en) * | 1982-08-02 | 1984-01-03 | Wool Arthur L | Orthodontic appliance |
| US4897036A (en) * | 1988-09-01 | 1990-01-30 | Tp Orthodontics, Inc. | Torquing auxiliary |
| DE4419471A1 (en) * | 1993-06-03 | 1994-12-08 | Foerster Bernhard Gmbh | Torque bow |
| CN201012132Y (en) * | 2007-03-16 | 2008-01-30 | 山东大学 | A prefabricated composite arch wire |
-
2013
- 2013-12-01 CN CN201310623783.4A patent/CN103735327A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424033A (en) * | 1982-08-02 | 1984-01-03 | Wool Arthur L | Orthodontic appliance |
| US4897036A (en) * | 1988-09-01 | 1990-01-30 | Tp Orthodontics, Inc. | Torquing auxiliary |
| DE4419471A1 (en) * | 1993-06-03 | 1994-12-08 | Foerster Bernhard Gmbh | Torque bow |
| CN201012132Y (en) * | 2007-03-16 | 2008-01-30 | 山东大学 | A prefabricated composite arch wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658193A (en) * | 2020-06-28 | 2020-09-15 | 北京大学口腔医学院 | Manufacturing method of universal orthodontic arch wire and orthodontic arch wire |
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Application publication date: 20140423 |