CN211911854U - Tooth orthodontics active self-locking bracket with narrow groove and wide wing - Google Patents
Tooth orthodontics active self-locking bracket with narrow groove and wide wing Download PDFInfo
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- CN211911854U CN211911854U CN202020288981.5U CN202020288981U CN211911854U CN 211911854 U CN211911854 U CN 211911854U CN 202020288981 U CN202020288981 U CN 202020288981U CN 211911854 U CN211911854 U CN 211911854U
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Abstract
A tooth orthodontics active self-locking bracket with narrow groove and wide wing is composed of a bonding net bottom, a groove body fixed on the bonding net bottom, a sliding elastic sheet combined with the groove body and a positioning scale used for bracket positioning, the groove for installing the arch wire arranged on the groove body is composed of a straight section and an 'outer splayed' section connected with two ends of the straight section, the structure and combination mode of the groove body and the sliding elastic sheet enable the cover plate of the sliding elastic sheet, the clamping plate at the tail end of the cover plate, the locking groove, the unlocking groove and the sliding groove on the groove body to jointly form a spring clamp type structure of the bracket, therefore, the active self-ligating bracket not only has the framework of a wide-wing bracket, but also narrows the effective length of the groove, thereby having the advantages of the self-ligating wide-wing bracket and the narrow-wing bracket, the requirements of quickly aligning and leveling dentition, early using a full-size arch wire and effectively controlling rotation can be simultaneously met at the initial stage of orthodontic treatment, and the later stage of correction can provide larger friction force to be beneficial to controlling tooth torque.
Description
Technical Field
The utility model belongs to the technical field of orthodontic appliances, in particular to an active self-locking bracket for tooth orthodontics.
Background
The bracket is an appliance which must be used for orthodontic treatment of teeth, and can be divided into a wide-wing bracket and a narrow-wing bracket according to the width of the bracket in the orthodontic treatment process of the teeth in the oral cavity. The support groove width that the wide wing held in the palm the groove is great, and the interval between the groove is less, is favorable to rotation control, but its elasticity of correcting the arch wire production is less, and frictional force is that narrow wing holds in the palm 1 ~ 1.5 times in the groove, is unfavorable for reducing the frictional force of correcting the ware in the leveling stage of lining up, and then can not effectual removal tooth and protection anchorage. The narrow-wing brackets have small bracket width and large spacing, and although the generated small friction force is favorable for transferring light force and aligning, the small bracket width has insufficient control on the twisted teeth and the inclined teeth, and single-wing ligation can not be selectively performed according to the twisting or inclined degree. The self-ligating bracket is a structure which is provided with a bracket cover and limits an arch wire in a working groove, is used clinically at present, and has a plurality of patent applications about the self-ligating bracket, and as for the disclosed self-ligating bracket, no matter whether the self-ligating bracket is an active type or a passive type, the groove is a straight type, namely, the inner wall surfaces of two side walls of the whole groove are parallel to each other, so that the angulation resistance of the bracket and the arch wire can not be effectively reduced when teeth move, the deformation of the arch wire is reduced, the advantages of a wide-wing bracket and a narrow-wing bracket are difficult to combine, the requirements of quickly aligning and leveling dentition in the initial stage of orthodontic treatment, early using a full-size arch wire and effectively controlling rotation can not be met simultaneously, and the.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a tooth just abnormal initiative self-ligating bracket of narrow groove wide wing, hold in the palm groove and combine together with the wide wing support groove frame narrow wing to can satisfy simultaneously at just abnormal treatment initial stage fast and arrange the flattening dentition, use full-size arch wire, the rotatory requirement of effective control early, the later stage of correcting can provide great frictional force and is favorable to the control of tooth torque.
The tooth orthodontics initiative self-ligating bracket of narrow groove wide wing comprises at the bottom of the bonding net, the cell body that is provided with groove and tie wing and fixes at the bottom of the bonding net, the slip shell fragment that makes up with the cell body and the location scale that is used for holding in the palm the groove location, the groove that sets up on the cell body comprises "outer eight characters" section that straight section and straight section both ends link up.
The tooth orthodontics active self-locking bracket with narrow slot and wide wing of the utility model has the advantages that the straight section length (also called as the effective length of the slot) of the slot is controlled to be 1.8 mm-2.4 mm, the length of the outer splayed section connected with the two ends can be equal or unequal, but the optimal length is equal and is controlled to be 0.2 mm-0.6 mm; the included angles of the inner wall surfaces of the two side walls of the outer splayed sections connected with the two ends of the straight section are the same and are controlled to be 7-80 degrees.
The tooth orthodontics initiative self-locking bracket groove of the wide wing of narrow groove, the bottom of its cell body is provided with the spout that runs through the cell body, the central line of spout is perpendicular with the central line of groove, and the groove both sides wall that sets up on its cell body has different heights, defines higher lateral wall as high lateral wall, defines lower lateral wall as low lateral wall, be provided with the locking groove on the internal face of high lateral wall, the top surface of low lateral wall is provided with the unlocking groove.
The utility model discloses a tooth orthodontics active self-locking bracket with narrow groove and wide wing, the sliding elastic piece of which is composed of a sliding plate at the lower part, a cover plate at the upper part for covering the groove and an arc section for connecting the sliding plate and the cover plate, and is of an integrated structure; the shape and the size of the sliding plate are matched with those of the sliding groove at the bottom of the groove body, the tail end of the sliding plate is provided with a limiting lug for avoiding the sliding plate from slipping, the shape and the size of the cover plate are matched with those of the groove on the groove body and the top surface of the lower side wall of the groove body, the tail end of the cover plate is provided with a clamping plate clamped with the locking groove on the inner wall surface of the high side wall of the groove, and the section, close to the clamping plate, of the; the combination of the sliding elastic sheet and the groove body: the sliding plate of the sliding elastic piece is inserted into the sliding groove at the bottom of the groove body, the cover plate of the sliding elastic piece is positioned on the top surface of the low side wall of the groove, so that the groove is in an open state, or the cover plate of the sliding elastic piece covers the groove and the top surface of the low side wall of the groove, and the clamping plate at the tail end of the cover plate is clamped into the locking groove arranged on the inner wall surface of the high side wall of the groove, so that.
The structure and the combination mode of the groove body and the sliding elastic sheet enable the cover plate of the sliding elastic sheet, the clamping plate at the tail end of the cover plate, the locking groove, the unlocking groove and the sliding groove on the groove body to jointly form a spring clamp type structure of the bracket.
The tooth orthodontics active self-locking bracket with narrow groove and wide wing has latticed bottom surface for bonding the net bottom, so that the bonding effect is better when the bracket is used.
The positioning scale of the tooth orthodontic self-locking bracket with the narrow groove and the wide wing of the utility model is composed of a central shaft and a clamping seat; the central shaft is a square shaft, two ends of the central shaft are lower than the middle section to form a step shape, one end lower than the middle section is an occlusal square, the other end lower than the middle section is a gingival square, the occlusal square is parallel to the middle section, three scale marks are arranged on the occlusal square, the end part of the gingival square is a positioning mark, the end part of the gingival square inclines in the buccal direction relative to the middle section, and the inclination angle is determined (generally 5-30 degrees) by avoiding the contour high point of the neck of the tooth and the gingival margin; the clamping seat is arranged at the middle section of the central shaft and is of an integrated structure with the middle section, the axis of the clamping seat is vertical to that of the middle section, the top surface of the clamping seat and the top surface of the middle section are positioned on the same plane, and the shape and the size of the clamping seat are matched with those of the groove; when the bracket is positioned, the clamping seat is clamped into a groove arranged on the groove body.
The tooth orthodontics self-locking bracket with narrow groove and wide wing has the advantages that the groove body and the bonding net bottom can be made of stainless steel or biological ceramics, the sliding elastic piece can be made of stainless steel, and the positioning scale can be made of medical silica gel or rubber.
The utility model discloses following beneficial effect has:
1. because the groove of the orthodontic self-locking bracket of the tooth is composed of the sections of the straight section and the outer splayed shape linked at the two ends of the straight section, thereby having the frame of the bracket with wide wings, and narrowing the effective length of the groove, thereby having the advantages of the self-locking bracket with wide wings and the narrow wing bracket, and meeting the requirements of quickly aligning the teeth, using the full-size arch wire as soon as possible, effectively controlling the rotation at the initial stage of orthodontic treatment, and providing larger friction force to be favorable for the control of the tooth torque at the later stage of orthodontic treatment.
2. The structure and combination mode of the groove body and the sliding elastic sheet enable the cover plate of the sliding elastic sheet, the clamping plate at the tail end of the cover plate, the locking groove, the unlocking groove and the sliding groove on the groove body to jointly form a spring clamp type structure of the bracket, so that when the arch wire is a round wire, the arch wire is not in contact with the spring clamp and has lower friction force, and when the arch wire is a large-size arch wire, the spring clamp is in contact with the arch wire and can provide larger friction force, thereby being beneficial to controlling tooth torque.
3. Because the central shaft in the positioning scale is step-shaped, the end part of the gum side inclines in the buccal direction relative to the middle section of the central shaft, and the occlusal side is provided with scale marks, the bracket is more convenient to position quickly and accurately.
4. The groove of the tooth orthodontic self-locking bracket of the utility model has simple structure and is convenient to process and manufacture.
Drawings
Fig. 1 is a schematic structural view of a tooth orthodontic active self-locking bracket with a narrow groove and a wide wing according to the present invention, wherein a sliding elastic sheet is in an open state, and the groove is in an open state;
FIG. 2 is a schematic view of the sliding clip of the narrow slot wide wing dental orthodontic active self-ligating bracket of FIG. 1 in a locked state with the slot in a closed state;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic view of the structure of a narrow slot and a wide wing of a slot in a tooth orthodontic active self-locking bracket of the present invention;
FIG. 5 is a schematic structural view of a groove body in the active self-ligating bracket for tooth orthodontics with narrow groove and wide wing according to the present invention;
FIG. 6 is a rear view of FIG. 5;
FIG. 7 is a schematic structural view of a sliding spring plate in a narrow-slot wide-wing active self-ligating bracket for dental orthodontics according to the present invention;
FIG. 8 is a side perspective view of FIG. 7;
FIG. 9 is a schematic view of the bottom surface of the adhesive mesh in the active self-ligating bracket for dental orthodontics with narrow slot and wide wing according to the present invention;
fig. 10 is a schematic structural view of a positioning scale in a narrow-groove wide-wing tooth orthodontic active self-locking bracket of the invention.
FIG. 11 is a schematic view of a combination of a positioning scale and a groove in bracket positioning.
In the figure, 1-bonding net bottom, 2-groove body, 2-1-locking groove, 2-sliding groove, 2-3-ligation wing, 2-4-unlocking groove, 3-1-outer eight field, 3-2-straight section, 4-sliding elastic sheet, 4-1-sliding plate, 4-1-limiting lug, 4-2-cover plate, 4-2-1-clamping plate, 4-3-auxiliary sliding hole, 5-positioning scale, 5-1-central shaft, 5-1-1 scale mark, 5-1-2 positioning mark, 5-1-3-middle section and 5-2-clamping seat.
Detailed Description
The active self-ligating bracket for tooth orthodontics with narrow slot and wide wing of the present invention will be further described by embodiments with reference to the accompanying drawings.
In this embodiment, the structural diagram of the active self-ligating bracket for tooth orthodontics with narrow groove and wide wing is shown in fig. 1, fig. 2, fig. 3 and fig. 11, and the active self-ligating bracket for tooth orthodontics with narrow groove and wide wing is composed of a bonding net bottom 1, a groove body 2 fixed on the bonding net bottom, a sliding elastic sheet 4 combined with the groove body and a positioning scale 5 for bracket positioning.
As shown in fig. 5 and 6, the upper portion of the tank body 2 is provided with a groove 3 for mounting an arch wire, the bottom of the tank body is provided with a sliding groove 2-2 penetrating through the tank body, the center line of the sliding groove 2-2 is perpendicular to the center line of the groove 3, two side walls of the groove 3 have different heights, the higher side wall is defined as a high side wall, the lower side wall is defined as a low side wall, the inner wall surface of the high side wall is provided with a locking groove 2-1, the top surface of the low side wall is provided with an unlocking groove 2-4, and the outer edges of two ends of two side walls of the groove 3 are respectively provided. As shown in fig. 4 and 5, the groove 3 formed in the tank body is composed of a straight section 3-2 and an outer figure-of-eight section 3-1 connected with two ends of the straight section, the length L2 of the straight section 3-2 is 2.0mm, the length of the outer figure-of-eight section 3-1 connected with two ends of the straight section is equal, L3 is 0.4mm, the total length L1 of the groove is 2.8mm, and included angles of inner wall surfaces of two side walls of the outer figure-of-eight section connected with two ends of the straight section are the same and are both alpha is 40 degrees.
The sliding elastic sheet 4 is composed of a sliding plate 4-1 positioned at the lower part, a cover plate 4-2 positioned at the upper part for covering the groove and an arc-shaped section for connecting the sliding plate and the cover plate, and is of an integrated structure as shown in figures 7 and 8; the shape and the size of a sliding plate 4-1 are matched with a sliding groove 2-2 at the bottom of a groove body, a limiting lug 4-1-1 for avoiding the sliding plate from slipping is arranged at the tail end of the sliding plate, the shape and the size of a cover plate 4-2 are matched with the groove on the groove body and the top surface of the lower side wall of the groove body, a clamping plate 4-2-1 clamped with a locking groove 2-1 on the inner wall surface of the high side wall of the groove is arranged at the tail end of the cover plate, and an auxiliary sliding hole 4-3 for assisting a sliding elastic sheet to slide is; the combination of the sliding elastic sheet and the groove body: a sliding plate 4-1 of the sliding elastic sheet is inserted into a sliding groove 2-2 at the bottom of the groove body, a cover plate 4-2 of the sliding elastic sheet is positioned on the top surface of the lower side wall of the groove, or the cover plate 4-2 of the sliding elastic sheet covers the groove 3 and the top surface of the lower side wall of the groove, and a clamping plate 4-2-1 at the tail end of the cover plate 4-2 is clamped into a locking groove 2-1 arranged on the inner wall surface of the high side wall of the groove.
As shown in fig. 1 and 9, the adhesive net bottom 1 has a planar top surface and a grid-shaped bottom surface.
The positioning scale 5 is composed of a central shaft 5-1 and a clamping seat 5-2 as shown in fig. 10; the central shaft 5-1 is a square shaft, two ends of the central shaft are lower than the middle section 5-1-3 to form a step shape, one end lower than the middle section is an occlusal square, the other end lower than the middle section is a gingival square, the occlusal square is parallel to the middle section, three scale marks 5-1-1 are arranged on the occlusal square and used for positioning the cut end of a bracket, the end part of the gingival square is a positioning mark 5-1-2, the end part of the gingival square inclines in the buccal direction relative to the middle section, and the inclination angle gamma is 10 degrees, so that the central shaft extends to the position below a enamel cementum boundary, and the accurate positioning of the central shaft is facilitated; the clamping seat 5-2 is arranged at the middle section 5-1-3 of the central shaft and is of an integrated structure with the middle section, the axis of the clamping seat 5-2 is vertical to the axis of the middle section 5-1-3, the top surface of the clamping seat 5-2 and the top surface of the middle section 5-1-3 are positioned on the same plane, and the shape and the size of the clamping seat 5-2 are matched with those of the groove 3; when the bracket is positioned, the clamping seat 5-2 is clamped into a groove 3 arranged on the groove body (as shown in figure 11).
In this embodiment, the adhesive net bottom 1, the groove body 2 and the sliding elastic piece 4 are made of medical stainless steel, and the positioning scale 5 is made of medical silica gel.
The utility model is not limited to the above-mentioned embodiment, according to the length scope of the straight section of slot and the "eight character outer" section and the internal face contained angle scope of the both sides wall of the "eight character outer" section as defined in the claim, the angle scope of the oblique direction of the gum cheek of location scale can prepare a series of support grooves to satisfy the needs of the orthodontic treatment of different patients' teeth.
Claims (10)
1. A tooth orthodontics active self-locking bracket with narrow groove and wide wing comprises a bonding net bottom (1), a groove body (2) which is provided with a groove (3) and a ligating wing (2-3) and fixed on the bonding net bottom, a sliding elastic sheet (4) combined with the groove body and a positioning scale (5) used for bracket positioning, and is characterized in that the groove (3) arranged on the groove body consists of a straight section (3-2) and an 'outer splayed' section (3-1) connected with two ends of the straight section.
2. The active self-ligating bracket for tooth orthodontics with narrow slot and wide wing as claimed in claim 1, wherein the length of the straight section (3-2) is controlled to be 1.8 mm-2.4 mm, the length of the outer splayed section (3-1) jointed at the two ends of the straight section is equal and controlled to be 0.2 mm-0.6 mm, and the included angle of the inner wall surface of the two side walls of the outer splayed section jointed at the two ends of the straight section is equal and controlled to be 7-80 °.
3. The active self-locking bracket for tooth orthodontics with narrow slot and wide wing according to claim 1 or 2, characterized in that the bottom of the bracket body is provided with a sliding groove (2-2) penetrating through the bracket body, the central line of the sliding groove (2-2) is perpendicular to the central line of the slot (3), two side walls of the slot (3) arranged on the bracket body (2) have different heights, the higher side wall is defined as a high side wall, the lower side wall is defined as a low side wall, the inner wall surface of the high side wall is provided with a locking groove (2-1), and the top surface of the low side wall is provided with an unlocking groove (2-4).
4. The active self-ligating bracket for tooth orthodontics with narrow slot and wide wing as claimed in claim 3, wherein said sliding spring (4) is composed of a sliding plate (4-1) at lower part, a cover plate (4-2) at upper part for covering slot and an arc segment for connecting the sliding plate and the cover plate, and is of an integrated structure; the shape and the size of the sliding plate (4-1) are matched with a sliding groove (2-2) at the bottom of the groove body, a limiting bump (4-1-1) for avoiding the sliding plate from slipping is arranged at the tail end of the sliding plate, the shape and the size of the cover plate (4-2) are matched with the groove on the groove body and the top surface of the lower side wall of the groove body, a clamping plate (4-2-1) clamped with a locking groove (2-1) on the inner wall surface of the high side wall of the groove is arranged at the tail end of the cover plate, and an auxiliary sliding hole (4-3) for assisting the sliding elastic piece to slide;
the combination of the sliding elastic sheet and the groove body: a sliding plate (4-1) of the sliding elastic sheet is inserted into a sliding groove (2-2) at the bottom of the groove body, a cover plate (4-2) of the sliding elastic sheet is positioned on the top surface of the lower side wall of the groove, or the cover plate (4-2) of the sliding elastic sheet covers the groove (3) and the top surface of the lower side wall of the groove, and a clamping plate (4-2-1) at the tail end of the cover plate (4-2) is clamped into a locking groove (2-1) arranged on the inner wall surface of the high side wall of the groove.
5. The active self-ligating bracket for tooth orthodontics with narrow slot and wide wing as claimed in claim 1 or 2, characterized in that said positioning ruler (5) is composed of central shaft (5-1) and clamping base (5-2); the central shaft (5-1) is a square shaft, both ends of the central shaft are lower than the middle section (5-1-3) to form a step shape, and one end lower than the middle section is
A gum side at the other end lower than the middle section, the gum side
The square part is parallel to the middle section, three scale marks (5-1-1) are arranged on the square part, the end part of the gum side is provided with a positioning mark (5-1-2), the end part of the gum side is inclined in the buccal direction relative to the middle section, and the inclination angle is determined by avoiding the high point of the shape of the neck of the tooth and the gum margin; the clamping seat (5-2) is arranged at the middle section (5-1-3) of the central shaft and is of an integrated structure with the middle section, the axis of the clamping seat (5-2) is vertical to the axis of the middle section (5-1-3), the top surface of the clamping seat (5-2) and the top surface of the middle section (5-1-3) are positioned on the same plane, and the shape and the size of the clamping seat (5-2) are matched with those of the groove (3); when the bracket is positioned, the clamping seat (5-2) is clamped into a groove (3) arranged on the groove body.
6. The active self-ligating bracket for tooth orthodontics with narrow slot and wide wing as claimed in claim 3, wherein said positioning ruler (5) is composed of central shaft (5-1) and clamping seat (5-2); the central shaft (5-1) is a square shaft, both ends of the central shaft are lower than the middle section (5-1-3) to form a step shape, and one end lower than the middle section is
A gum side at the other end lower than the middle section, the gum side
The square part is parallel to the middle section, three scale marks (5-1-1) are arranged on the square part, the end part of the gum side is provided with a positioning mark (5-1-2), the end part of the gum side is inclined in the buccal direction relative to the middle section, and the inclination angle is determined by avoiding the high point of the shape of the neck of the tooth and the gum margin; the clamping seat (5-2) is arranged at the middle section (5-1-3) of the central shaft and is of an integrated structure with the middle section, the axis of the clamping seat (5-2) is vertical to the axis of the middle section (5-1-3), the top surface of the clamping seat (5-2) and the top surface of the middle section (5-1-3) are positioned on the same plane, and the shape and the size of the clamping seat (5-2) are matched with those of the groove (3); when the bracket is positioned, the clamping seat (5-2) is clamped into a groove (3) arranged on the groove body.
7. The active self-ligating bracket for tooth orthodontics with narrow slot and wide wing as claimed in claim 4, wherein said positioning ruler (5) is composed of central shaft (5-1) and clamping seat (5-2); the central shaft (5-1) is a square shaft, both ends of the central shaft are lower than the middle section (5-1-3) to form a step shape, and one end lower than the middle section is
A gum side at the other end lower than the middle section, the gum side
Is parallel to the middle section and is provided with threeThe scale marks (5-1-1) are provided, the gingival end part is a positioning mark (5-1-2), and the gingival end part is inclined relative to the middle section in a buccal direction, and the inclination angle is determined by avoiding the high point of the shape of the tooth neck and the gingival margin; the clamping seat (5-2) is arranged at the middle section (5-1-3) of the central shaft and is of an integrated structure with the middle section, the axis of the clamping seat (5-2) is vertical to the axis of the middle section (5-1-3), the top surface of the clamping seat (5-2) and the top surface of the middle section (5-1-3) are positioned on the same plane, and the shape and the size of the clamping seat (5-2) are matched with those of the groove (3); when the bracket is positioned, the clamping seat (5-2) is clamped into a groove (3) arranged on the groove body.
8. The narrow-slot wide-wing tooth orthodontic active self-locking bracket as claimed in claim 1 or 2, characterized in that the bottom surface of the adhesive net bottom (1) is in a grid shape.
9. The narrow-slot wide-wing tooth orthodontic active self-locking bracket as claimed in claim 4, characterized in that the bottom surface of the adhesive net bottom (1) is in a grid shape.
10. The narrow-slot wide-wing tooth orthodontic active self-locking bracket as claimed in claim 5, characterized in that the bottom surface of the adhesive net bottom (1) is in a grid shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020288981.5U CN211911854U (en) | 2020-03-11 | 2020-03-11 | Tooth orthodontics active self-locking bracket with narrow groove and wide wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020288981.5U CN211911854U (en) | 2020-03-11 | 2020-03-11 | Tooth orthodontics active self-locking bracket with narrow groove and wide wing |
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| Publication Number | Publication Date |
|---|---|
| CN211911854U true CN211911854U (en) | 2020-11-13 |
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ID=73346604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020288981.5U Active CN211911854U (en) | 2020-03-11 | 2020-03-11 | Tooth orthodontics active self-locking bracket with narrow groove and wide wing |
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| CN (1) | CN211911854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214300A (en) * | 2020-03-11 | 2020-06-02 | 四川大学 | Tooth orthodontics active self-locking bracket with narrow groove and wide wing |
| CN111214301A (en) * | 2020-03-11 | 2020-06-02 | 四川大学 | Full-ceramic passive self-locking bracket for tooth orthodontics with lock catch type narrow groove and wide wing |
-
2020
- 2020-03-11 CN CN202020288981.5U patent/CN211911854U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214300A (en) * | 2020-03-11 | 2020-06-02 | 四川大学 | Tooth orthodontics active self-locking bracket with narrow groove and wide wing |
| CN111214301A (en) * | 2020-03-11 | 2020-06-02 | 四川大学 | Full-ceramic passive self-locking bracket for tooth orthodontics with lock catch type narrow groove and wide wing |
| CN111214301B (en) * | 2020-03-11 | 2024-08-20 | 四川大学 | Full ceramic passive self-locking bracket for tooth orthodontics with locking buckle type narrow groove and wide wing |
| CN111214300B (en) * | 2020-03-11 | 2024-09-24 | 四川大学 | Tooth orthodontic active self-locking bracket with narrow groove and wide wing |
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