CN111297499B - Ceramic-metal composite orthodontic bracket and preparation method thereof - Google Patents
Ceramic-metal composite orthodontic bracket and preparation method thereof Download PDFInfo
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- CN111297499B CN111297499B CN202010204302.6A CN202010204302A CN111297499B CN 111297499 B CN111297499 B CN 111297499B CN 202010204302 A CN202010204302 A CN 202010204302A CN 111297499 B CN111297499 B CN 111297499B
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- arc
- pressure plate
- bracket
- bracket body
- groove
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/28—Securing arch wire to bracket
- A61C7/34—Securing arch wire to bracket using lock pins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/16—Brackets; Fixing brackets to teeth specially adapted to be cemented to teeth
Abstract
The invention discloses a ceramic metal composite orthodontic bracket and a preparation method thereof, and the ceramic metal composite orthodontic bracket comprises a bracket body, wherein the upper end of the bracket body is provided with an arch wire groove, the two sides of the arch wire groove are respectively provided with an arc accommodating groove and an arc positioning groove, an arc locking plate is connected in the arc accommodating groove in a sliding manner, a rotating shaft is arranged at the inner end of the arc locking plate in a penetrating manner, a shaft body of the rotating shaft extending out of the bracket body is in threaded connection with a locking nut, the lower end of the bracket body is provided with an adhesive base, the lower end of the adhesive base is embedded and fixed with a pressure plate, the upper end of the pressure plate is provided with a row of embedded grooves, the lower end of the pressure plate is uniformly provided with adhesive filling holes, the lower end of the adhesive base is provided with convex strips, and the lower end of the pressure plate is attached with a polycarbonate film through an adhesive. According to the invention, the arc-shaped locking plate is additionally arranged in the bracket body, so that the arch wire groove is opened or closed, and the arch wire is effectively prevented from falling off; the polycarbonate film is used for replacing an adhesive to directly contact with tooth enamel, so that the removal difficulty is low, and the tooth enamel is not easy to damage.
Description
Technical Field
The invention relates to the technical field of orthodontic appliances, in particular to a ceramic-metal composite orthodontic bracket and a preparation method thereof.
Background
In the orthodontic treatment process, firstly, a special adhesive material is used for fixing the orthodontic bracket on the surface of a tooth, then the orthodontic steel wire is fixed on the bracket, and the orthodontic force is transmitted to the tooth, so that the aim of correcting the malposition tooth is fulfilled. Bracket bonding is an important step in orthodontic technology, and the basic principle is that the enamel is subjected to acid treatment and then undergoes slight decalcification to develop a porous cellular structure, which is a result of dissolution and roughening of the enamel stumps and also increases the gaps between the enamel stumps. The bonding material penetrates into the honeycomb structure of the enamel surface before curing, and a large number of resin protrusions are formed after the material is cured, so that the bonding material and the tooth surface form the mutual inlaid connection. While the adhesive on the other hand bonds directly to the bracket base. In the treatment process, the bracket is easy to fall off after being bonded by the direct method, which brings unnecessary trouble to orthodontists and also has great influence on the orthodontics treatment process and even the treatment effect.
Because the performance of ceramic brackets differs significantly from that of metal brackets, the technique of removing metal brackets is not very effective for removing ceramic brackets. Compared with a metal bracket, the ceramic bracket is easier to cause enamel damage when being removed, more enamel can be lost when the single-crystal alumina ceramic bracket is used for a plurality of crystal alumina brackets, and the chemical bonding can also cause more enamel damage than the mechanical bonding. Many clinical studies report enamel damage during mechanical destacking. If factors affecting the tooth structure, such as enamel hypoplasia, enamel cracks, extensive repair, dead teeth, etc., exist at the same time, the possibility of enamel damage caused by the mechanical bracket removal method is higher. In addition, the existing ceramic bracket can not effectively lock the arch wire, so that the arch wire is easy to fall off.
Therefore, there is a need for a new orthodontic bracket that locks the archwire so that it is not easily dislodged during use; the adhesive layer can be eliminated quickly when needed, and enamel damage is reduced.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a ceramic-metal composite orthodontic bracket and a preparation method thereof.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme: a ceramic metal composite orthodontic bracket comprises a bracket body, wherein the upper end of the bracket body is provided with an arch wire groove, the bracket body is provided with an arc-shaped accommodating groove and an arc-shaped positioning groove at two sides of the arch wire groove respectively, an arc-shaped locking plate is connected in the arc-shaped accommodating groove in a sliding way, a rotating shaft is arranged at the inner end of the arc-shaped locking plate in a penetrating way, a shaft body of the rotating shaft extending out of the bracket body is screwed with a lock nut, the lower end of the bracket body is provided with a bonding base which is connected with the bracket body into a whole, a pressure plate is embedded and fixed at the lower end of the bonding base, a row of embedded grooves are arranged at the upper end of the pressure plate, adhesive filling holes are uniformly distributed at the lower end, the lower extreme of bonding base is equipped with a plurality of rows and embedded groove complex sand grip, it has the adhesive to fill in the adhesive filling hole of pressure disk, the lower extreme of pressure disk has the polycarbonate film through adhesive attachment.
Furthermore, in the ceramic metal composite orthodontic bracket, the bottom end of the arch wire groove is provided with a semicircular wall.
Furthermore, in the ceramic metal composite orthodontic bracket, the inner end of the arc-shaped locking plate is provided with a rotating hole matched with the rotating shaft.
Furthermore, in the ceramic metal composite orthodontic bracket, the outer end of the arc-shaped locking plate can be screwed into the arc-shaped positioning groove through rotation.
Further, in the ceramic metal composite orthodontic bracket, the thickness of the pressure plate is 0.5-2 mm.
Furthermore, in the ceramic metal composite orthodontic bracket, the section of the embedded groove is in a dovetail structure with a wide outer part and a narrow inner part.
Furthermore, in the ceramic metal composite orthodontic bracket, the adhesive filling hole has a truncated cone-shaped structure with a wide outer part and a narrow inner part.
Further, in the ceramic metal composite orthodontic bracket, the bracket body, the arc-shaped locking plate, the rotating shaft and the locking nut are all made of stainless steel materials.
Further, in the ceramic metal composite orthodontic bracket, the pressure plate is made of an alumina ceramic material.
A preparation method of a ceramic-metal composite orthodontic bracket comprises the following steps:
1) cutting: processing the bracket body and the pressure plate by adopting a linear cutting and machining method;
2) forming: machining an arch wire groove and a required angle and radian in the machining bracket body by using a forming machine, machining an embedded groove at the upper end of the pressure plate, and machining an adhesive filling hole at the lower end of the pressure plate;
3) polishing: polishing the surfaces of the bracket body and the pressure plate by a polishing machine to reach the required brightness;
4) cleaning: removing surface stains of the bracket body and the pressure plate by using an ultrasonic cleaner;
5) assembling: and embedding and clamping the bonding base of the bracket body with the upper end of the pressure plate, coating adhesive on the lower end of the pressure plate, and bonding a polycarbonate film.
The invention has the beneficial effects that:
the bracket is reasonable in structural design, on one hand, the arc-shaped locking plate is additionally arranged in the bracket body, and the arch wire groove is opened or closed through the rotation of the arc-shaped locking plate, so that the arch wire is locked, and the arch wire can be effectively prevented from falling off; on the other hand, the polycarbonate film is used for replacing the adhesive to directly contact with the tooth enamel, so that the difficulty of removing the adhesive layer is low, and the tooth enamel is not easily damaged.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the arc-shaped locking plate of the present invention when it is stored;
fig. 2 is a schematic structural view of the arch wire locked by the arc-shaped locking plate of the invention;
FIG. 3 is a schematic structural view of the arc-shaped locking plate of the present invention;
FIG. 4 is a schematic view of the platen according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-bracket body, 2-arch wire groove, 3-arc containing groove, 4-arc locating groove, 5-arc locking plate, 6-rotating shaft, 7-locking nut, 8-bonding base, 9-pressing plate, 901-embedded groove, 902-bonding agent filling hole, 10-polycarbonate film and 11-arch wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment is an orthodontic bracket, including a bracket body 1, an arch wire groove 2 for conveniently inserting an arch wire 11 is formed at an upper end of the bracket body 1, and arc-shaped receiving grooves 3 and arc-shaped positioning grooves 4 are respectively formed at two sides of the bracket body 1, which are located on the arch wire groove 2. Sliding connection has arc jam plate 5 in the groove 3 is accomodate to the arc, and the arc that the groove 3 was accomodate to the arc is 90 degrees, and the radian of arc constant head tank is 15 degrees, and the radian of arc jam plate 5 is 75 degrees. The inner of the arc-shaped locking plate 5 is provided with a rotating shaft 6 in a penetrating way, and a shaft body of the rotating shaft 6 extending out of the bracket body 1 is connected with a locking nut 7 in a threaded way. The lower extreme of holding in the palm groove body 1 is equipped with rather than bonding base 8 as an organic whole, and the lower extreme embedding of bonding base 8 is fixed with pressure disk 9, and a row of embedded groove 901 has been seted up to the upper end of pressure disk 9, and the lower extreme equipartition has adhesive filling hole 902. The lower end of the bonding base 8 is provided with a plurality of rows of protruding strips matched with the embedded grooves 901, the adhesive filling holes 902 of the pressing plate 9 are filled with adhesive, and the lower end of the pressing plate 9 is adhered with a polycarbonate film 10 through the adhesive.
In this embodiment, the arch wire groove 2 is provided with a semicircular wall at the bottom end. The inner end of the arc-shaped locking plate 5 is provided with a rotating hole matched with the rotating shaft 6. The outer end of the arc-shaped locking plate 5 can be screwed into the arc-shaped positioning groove 4 through rotation.
In this embodiment, the thickness of the platen 9 is 0.5 to 2mm, the cross section of the insertion groove 901 is a dovetail structure with a wide outer part and a narrow inner part, and the adhesive filling hole 902 is a circular truncated cone structure with a wide outer part and a narrow inner part. The platen 9 is made of an alumina ceramic material.
In this embodiment, the bracket body 1, the arc-shaped locking plate 5, the rotating shaft 6 and the lock nut 7 are all made of stainless steel.
The embodiment also provides a preparation method of the ceramic-metal composite orthodontic bracket, which is characterized by comprising the following steps:
1) cutting: processing the bracket body 1 and the pressure plate 9 by adopting a linear cutting and machining method;
2) forming: machining an arch wire groove and a required angle and radian in the machining bracket body 1 by adopting a forming machine, machining an embedded groove at the upper end of the pressure plate 9, and machining an adhesive filling hole at the lower end;
3) polishing: polishing the surfaces of the bracket body 1 and the pressure plate 9 by a polishing machine to reach the required brightness;
4) cleaning: removing surface stains of the bracket body 1 and the pressure plate 9 by using an ultrasonic cleaner;
5) assembling: the bonding base of the bracket body 1 is embedded and clamped with the upper end of the pressure plate 9, then the lower end of the pressure plate 9 is coated with bonding agent, and then a polycarbonate film is bonded.
One specific application of this embodiment is: the bracket is reasonable in structural design, on one hand, the arc-shaped locking plate 5 is additionally arranged in the bracket body 1, and the arch wire groove 2 is opened or closed through the rotation of the arc-shaped locking plate 5, so that the arch wire 11 is locked, and the condition that the arch wire 11 falls off can be effectively prevented; on the other hand, the polycarbonate film 10 is used for replacing the adhesive and directly contacts with the tooth enamel, so that the difficulty of removing the adhesive layer is low, and the tooth enamel is not easy to damage.
The preferred embodiments of the present invention disclosed above are intended to facilitate the explanation of the present invention only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a ceramic metal composite orthodontic bracket, includes and holds in the palm the groove body, the arch wire groove has been seted up to the upper end of holding in the palm the groove body, its characterized in that: the arc-shaped containing groove and the arc-shaped positioning groove are respectively formed in two sides, located on the arch wire groove, of the bracket body, the arc-shaped locking plate is connected in the arc-shaped containing groove in a sliding mode, a rotating shaft penetrates through the inner end of the arc-shaped locking plate, a shaft body, extending out of the bracket body, of the rotating shaft is connected with a locking nut in a threaded mode, the lower end of the bracket body is provided with an adhesive base connected with the bracket body into a whole, a pressure plate is fixedly embedded into the lower end of the adhesive base, a row of embedded grooves are formed in the upper end of the pressure plate, adhesive filling holes are evenly distributed in the lower end of the pressure plate, a plurality of rows of protruding strips matched with the embedded grooves are arranged at the lower end of the adhesive base, adhesive is filled in the adhesive filling holes of the pressure plate, and a polycarbonate film is attached to the lower end of the pressure plate through adhesive; the bracket body, the arc-shaped locking plate, the rotating shaft and the locking nut are all made of stainless steel materials; the pressure plate is made of alumina ceramic material.
2. The ceramic metal composite orthodontic bracket of claim 1, wherein: the bottom end of the arch wire groove is provided with a semicircular wall.
3. The ceramic metal composite orthodontic bracket of claim 1, wherein: the inner end of the arc-shaped locking plate is provided with a rotating hole matched with the rotating shaft.
4. The ceramic metal composite orthodontic bracket of claim 1, wherein: the outer end of the arc-shaped locking plate can be screwed into the arc-shaped positioning groove through rotation.
5. The ceramic metal composite orthodontic bracket of claim 1, wherein: the thickness of the pressing plate is 0.5-2 mm.
6. The ceramic metal composite orthodontic bracket of claim 1, wherein: the section of the embedded groove is of a dovetail structure with a wide outer part and a narrow inner part.
7. The ceramic metal composite orthodontic bracket of claim 1, wherein: the adhesive filling hole is in a truncated cone-shaped structure with a wide outer part and a narrow inner part.
8. A method of making a ceramic metal composite orthodontic bracket as claimed in any one of claims 1 to 7, including the steps of:
1) cutting: processing the bracket body and the pressure plate by adopting a linear cutting and machining method;
2) forming: machining an arch wire groove and a required angle and radian in the machining bracket body by using a forming machine, machining an embedded groove at the upper end of the pressure plate, and machining an adhesive filling hole at the lower end of the pressure plate;
3) polishing: polishing the surfaces of the bracket body and the pressure plate by a polishing machine to reach the required brightness;
4) cleaning: removing surface stains of the bracket body and the pressure plate by using an ultrasonic cleaner;
5) assembling: and embedding and clamping the bonding base of the bracket body with the upper end of the pressure plate, coating adhesive on the lower end of the pressure plate, and bonding a polycarbonate film.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010204302.6A CN111297499B (en) | 2020-03-21 | 2020-03-21 | Ceramic-metal composite orthodontic bracket and preparation method thereof |
| CN202210226390.9A CN114569270A (en) | 2020-03-21 | 2020-03-21 | Orthodontic bracket easy to replace and preparation method thereof |
| CN202210226389.6A CN114569269A (en) | 2020-03-21 | 2020-03-21 | Orthodontic bracket with arc-shaped locking plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010204302.6A CN111297499B (en) | 2020-03-21 | 2020-03-21 | Ceramic-metal composite orthodontic bracket and preparation method thereof |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210226389.6A Division CN114569269A (en) | 2020-03-21 | 2020-03-21 | Orthodontic bracket with arc-shaped locking plate and preparation method thereof |
| CN202210226390.9A Division CN114569270A (en) | 2020-03-21 | 2020-03-21 | Orthodontic bracket easy to replace and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111297499A CN111297499A (en) | 2020-06-19 |
| CN111297499B true CN111297499B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210226389.6A Pending CN114569269A (en) | 2020-03-21 | 2020-03-21 | Orthodontic bracket with arc-shaped locking plate and preparation method thereof |
| CN202210226390.9A Pending CN114569270A (en) | 2020-03-21 | 2020-03-21 | Orthodontic bracket easy to replace and preparation method thereof |
| CN202010204302.6A Active CN111297499B (en) | 2020-03-21 | 2020-03-21 | Ceramic-metal composite orthodontic bracket and preparation method thereof |
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| CN202210226389.6A Pending CN114569269A (en) | 2020-03-21 | 2020-03-21 | Orthodontic bracket with arc-shaped locking plate and preparation method thereof |
| CN202210226390.9A Pending CN114569270A (en) | 2020-03-21 | 2020-03-21 | Orthodontic bracket easy to replace and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1494402A (en) * | 2001-02-15 | 2004-05-05 | ŵ���ء�ʩ���� | Self-ligating orthodontic brackets having safety locking part for ligation cover |
| CN204798042U (en) * | 2015-06-02 | 2015-11-25 | 首都医科大学附属北京口腔医院 | Just abnormal support groove of anti -drop |
| CN105748167A (en) * | 2014-12-19 | 2016-07-13 | 天津林勤航空科技有限公司 | Tooth rectification apparatus |
| WO2017212114A1 (en) * | 2016-06-06 | 2017-12-14 | Tuomo Kantomaa | Dental bracket |
| WO2019000086A1 (en) * | 2017-06-26 | 2019-01-03 | Murrell Fred | Retentive orthodontic dental appliances and methods of making same |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4218219C2 (en) * | 1992-06-03 | 1998-05-07 | Geyer Medizin Und Fertigungste | Device for the contactless measurement of a difficult to access, three-dimensional medical or dental object |
| US6960080B2 (en) * | 2003-03-04 | 2005-11-01 | Norbert Abels | Orthodontic brackets with elongate film hinge |
| BRMU8502724U (en) * | 2005-12-23 | 2007-09-11 | Humberto Luis Olsen | Motorcycle Ring Hydropneumatic Timer Drive Mandibular Protruser |
| CA2773197A1 (en) * | 2012-03-27 | 2013-09-27 | Yundong Li | Electroplated super abrasive tools with the abrasive particles chemically bonded and deliberately placed, and methods for making the same |
| CN203354667U (en) * | 2013-06-04 | 2013-12-25 | 中国人民解放军军事医学科学院附属医院 | Low-friction orthodontic bracket with arc-shaped groove bottom |
| CN204337065U (en) * | 2014-01-03 | 2015-05-20 | 王光良 | A kind of orthodontics self-locking bracket |
| CN104473699A (en) * | 2014-12-11 | 2015-04-01 | 有研亿金新材料有限公司 | Color metallic orthodontic bracket as well as manufacturing method thereof and composite structure |
| WO2017087533A1 (en) * | 2015-11-19 | 2017-05-26 | 3M Innovative Properties Company | Self-ligating orthodontic bracket |
| CN106037960A (en) * | 2016-06-26 | 2016-10-26 | 江苏思麦尔生命科技有限公司 | Padlock type tooth self-locking bracket and preparation method thereof |
| CN109394359B (en) * | 2018-11-16 | 2024-04-02 | 海南大学 | Tooth orthodontic device and use method |
-
2020
- 2020-03-21 CN CN202210226389.6A patent/CN114569269A/en active Pending
- 2020-03-21 CN CN202210226390.9A patent/CN114569270A/en active Pending
- 2020-03-21 CN CN202010204302.6A patent/CN111297499B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1494402A (en) * | 2001-02-15 | 2004-05-05 | ŵ���ء�ʩ���� | Self-ligating orthodontic brackets having safety locking part for ligation cover |
| CN105748167A (en) * | 2014-12-19 | 2016-07-13 | 天津林勤航空科技有限公司 | Tooth rectification apparatus |
| CN204798042U (en) * | 2015-06-02 | 2015-11-25 | 首都医科大学附属北京口腔医院 | Just abnormal support groove of anti -drop |
| WO2017212114A1 (en) * | 2016-06-06 | 2017-12-14 | Tuomo Kantomaa | Dental bracket |
| WO2019000086A1 (en) * | 2017-06-26 | 2019-01-03 | Murrell Fred | Retentive orthodontic dental appliances and methods of making same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114569270A (en) | 2022-06-03 |
| CN114569269A (en) | 2022-06-03 |
| CN111297499A (en) | 2020-06-19 |
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