CN110859678A - Combined type personalized orthodontic positioner easy to detach bracket and using method - Google Patents
Combined type personalized orthodontic positioner easy to detach bracket and using method Download PDFInfo
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- CN110859678A CN110859678A CN201911149970.7A CN201911149970A CN110859678A CN 110859678 A CN110859678 A CN 110859678A CN 201911149970 A CN201911149970 A CN 201911149970A CN 110859678 A CN110859678 A CN 110859678A
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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
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/146—Positioning or placement of brackets; Tools therefor
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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
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/16—Brackets; Fixing brackets to teeth specially adapted to be cemented to teeth
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Abstract
The invention discloses a combined type personalized orthodontic positioner easy to detach a bracket and a using method, belonging to the field of medical instruments, wherein a support body is of a plate-shaped structure, a connecting table is arranged above the support body, and a bracket coating body is arranged on the connecting table.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a combined type personalized orthodontic positioner with easy bracket removal and a use method.
Background
In orthodontic treatment, the correct position of the bracket on the teeth of a patient is a key technology. During traditional just abnormal treatment, the doctor relies on clinical experience, directly pastes the support groove on the tooth surface through the naked eye, has not only taken a large amount of chair time, pastes the difficult assurance of the precision in support groove moreover, causes unexpected tooth to remove easily, has prolonged and has rescued the time, influences and finally corrects the effect, causes unnecessary doctor-patient contradiction.
With the development of digital orthodontic technology, a personalized bracket indirect bonding positioner appears in the orthodontic field. The general work flow is as follows: firstly, scanning the relation of malocclusion teeth of a patient by using a scanner to obtain a digital model, then marking the bonding position of a bracket on the digital model by using orthodontic software, designing an orthodontic positioner structure capable of bonding the bracket to a specified position, and finally processing a personalized orthodontic positioner by using a 3D printer for indirect bonding of a clinician. The personalized bracket indirect bonding positioner utilizes digital tooth arrangement and 3D printing technology, realizes accurate positioning of the bracket, greatly shortens the time beside a chair for directly bonding the bracket manually, and brings convenient operation for doctors.
Clinically, the existing bracket indirect bonding positioner can be divided into a single body type, an integral type and a free type in structure, and different structures have respective advantages and disadvantages. The single type structure is that a single positioner respectively corresponds to each tooth, the positioner is easy to remove from the tooth after being bonded, but the groove on the single positioner is not stably bonded with the dental socket of a patient, so that the positioning accuracy of the bracket on the tooth can be reduced; the integral structure positioner is stably and tightly attached to the dental socket, and although the bracket combination on each tooth can be assembled in place at one time, the positioner is difficult to remove and is long in operation time; the free type structure can freely combine the positioners according to clinical needs to realize segmented bonding and removal, but the structure still lacks necessary combination guide, and position shielding can be caused by disordered bonding sequence to cause that part of the positioners are not bonded.
Disclosure of Invention
In order to overcome a series of defects of the existing indirect bonding positioner, the invention provides the combined type personalized orthodontic positioner easy for bracket dismantling and the use method thereof, the combined type personalized orthodontic positioner is simple in structure, convenient for bonding, locating and dismantling, capable of improving bracket bonding precision, reducing operation difficulty and convenient for doctors to rapidly and accurately bond brackets.
The invention provides a combined type personalized orthodontic positioner easy for bracket dismantling, which comprises a bracket coating body, a supporting body and a connecting table, wherein the supporting body is of a plate-shaped structure, the connecting table is arranged above the supporting body, and the bracket coating body is arranged on the connecting table.
The distance between the two limiting inner buckle tips is equal to the near-far length W of the bracket.
The first vertical block is provided with an anti-sticking chamfer angle on the connecting edge on the outer side of the connecting position of the first inner buckle and the connecting edge and the angle on the outer side of the connecting position of the second inner buckle.
The demoulding angle β is 1-10 degrees, and the demoulding separation direction of the bracket is from back to front.
The first vertical block, the second vertical block and the connecting vertical block form a U-shaped coating main body, and anti-skid grains are arranged on the inner wall surface of the connecting vertical block or the inner wall surface of the whole U-shaped coating main body.
The anti-skid texture is a high-low raised square structure, a bionic gecko toe structure or a salient point structure.
The middle parts of the inner walls of the first vertical block and the second vertical block are provided with limiting bodies, the limiting bodies are clamped into the bracket notches of the brackets but are not contacted with the bottom surfaces of the bracket notches, and the arc diameter of each limiting body is slightly larger than the width V of each bracket notch.
The spacing body is semicircle sphere structure, oval structure or oval formula runway structure, holds in the palm the circular arc diameter of spacing body and does: 0.58 mm-0.62 mm.
The limiting body is directly installed to the middle parts of the inner walls of the first vertical block and the second vertical block or installed to the middle parts of the inner walls of the first vertical block and the second vertical block through an inclined column, the installation downward inclination angle α between the axis of the inclined column and the first vertical block and the installation downward inclination angle α between the axis of the inclined column and the second vertical block are 95-120 degrees, and the bracket is installed into the bracket cladding body from top to bottom.
The mounting relation of the bracket and the bracket coating body is that the bracket and the bracket coating body are fixed by bonding with soluble adhesive, and the mixing ratio of the viscous macromolecule to the harmless solvent is as follows: 0.5 g-3 g: 1ml to 6 ml.
The invention also provides a use method of the combined type personalized orthodontic positioner easy to detach the bracket, which is characterized by comprising the following steps:
one) inserting the bracket into the bracket enclosure:
firstly, adjusting the position of a bracket so that the gap of a bracket ligating wing faces downwards, and ensuring that the direction of the near-far middle length W of the bracket is parallel to a rotation limiting double column; then, assembling the bracket into the bracket cladding body from top to bottom;
two) bonding the bracket to the tooth surface:
acid etching to wash the tooth surface, blow-drying the tooth surface and isolating moisture, coating a proper amount of light-cured resin adhesive on the rear surface of the bracket bottom plate, attaching a socket arranged above a support body to the teeth of a patient according to the sequence of the front teeth and the rear teeth, pressing the support body to completely attach the bracket to the labial surface of the teeth, and then scraping the overflowed adhesive; then continuously pressing the support body, and carrying out photocuring operation on the gum for 20-30 seconds;
thirdly), demolding and detaching the bracket and the bracket cladding body:
the supporting body is moved forwards from the back while the supporting body is shaken from the left to the right, and the bracket cladding body is separated from the bracket.
The invention has the beneficial effects that:
1. the structural design ensures that the bracket does not shift in the cladding body of the positioner, and can realize smooth demoulding and separation of the positioner and the bracket on the tongue and lip, thereby facilitating the operation of doctors and improving the bonding precision and the bonding efficiency.
2. The combined structure of multiple tooth positions ensures that the positioner is firmly attached to the teeth, and effectively guides the clinical bonding sequence.
3. The bracket bonding method effectively improves the bracket bonding precision and efficiency, meets the clinical use requirements, and has positive popularization significance.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a combined type personalized orthodontic locator easy for bracket removal and assembled brackets of the invention;
FIG. 2 is a schematic structural view of a bracket cladding body and a bracket after assembly in embodiment 1 of the invention;
FIG. 3 is a schematic top view of a bracket cover and a bracket after assembly in example 1 of the present invention;
FIG. 4 is a schematic structural view of example 1 of the present invention;
FIG. 5 is a schematic view of a bracket of the present invention;
FIG. 6 is a front view of an inclined column in embodiment 1 of the present invention;
FIG. 7 is a schematic diagram of a structure with a runway-shaped spacing synapse in embodiment 1 of the present invention;
fig. 8 is a schematic structural view of the embodiment 1 of the present invention with four supporting bodies combined and the position limiting body hidden;
FIG. 9 is a partial structural view of a square structure with high and low protrusions according to embodiment 1 of the present invention;
FIG. 10 is a schematic view of a partial structure of a bionic gecko toe structure in example 1 of the present invention;
fig. 11 is a partial structural view of a bump structure in embodiment 1 of the present invention;
fig. 12 is a schematic structural diagram in embodiment 2 of the present invention.
The bracket comprises a 100-bracket cladding body, a 200-supporting body, a 400-bracket, a 500-connecting table, a 110-U-shaped cladding body, a 111-first vertical block, a 112-second vertical block, a 113-connecting block, a 130-rotation limiting double column, a 140-limiting body, a 140 a-inclined column, a 140 b-runway-shaped limiting synapse, a 150-anti-slip texture, a 160-anti-sticking chamfer, a 170-limiting inner buckle, a 171-first inner buckle, a 172-second inner buckle, a 180-inner buckle outer chamfer, a 210-socket groove, a 220-tooth position digital mark, a V-bracket groove width, a 420-bracket groove, a 30-bracket groove bottom surface, a 440-ligating bracket wing gap, a W-bracket near-far length, a 460-bracket bottom plate, a α -installation downward inclination angle and a β -demolding angle.
Detailed Description
As shown in fig. 1 to 5, embodiment 1 of the present invention includes: the bracket comprises a bracket coating body 100, 2-4 supporting bodies 200 and a connecting table 500, wherein the supporting bodies 200 are of plate-shaped structures, the connecting table 500 is arranged above the supporting bodies 200, and the bracket coating body 100 is arranged on the connecting table 500; the bracket cladding body 100 consists of a first inner buckle 171, a first vertical block 111, a connecting vertical block 113, a second vertical block 112 and a second inner buckle 172 which are sequentially connected, and the lower part of the inner wall of the connecting vertical block 113 is vertically provided with a rotation limiting double column 130; the rotation limiting double column 130 is clamped into the bracket tie wing gap 440 of the bracket 400, and is used for limiting the bracket 400 to rotate in the bracket cladding body 100 of the embodiment, so as to avoid influencing the positioning accuracy of the bracket 400;
the first vertical block 111, the second vertical block 112 and the connecting vertical block 113 form a U-shaped cladding main body 110, and the U-shaped cladding main body 110 is in a U shape with the opening direction of the cross section facing backwards; the direction of the inside of the U shape is inward of the first vertical block 111, the second vertical block 112, the connecting vertical block 113, the first inner buckle 171 and the second inner buckle 172, otherwise, the inside is outward, and the first inner buckle 171 and the second inner buckle 172 are both the limiting inner buckle 170 facing inward (center);
the limit braces 170 are used for limiting the freedom degree of the bracket 400 moving in the front and back directions in the bracket cladding body 100 of the embodiment, the distance between the tips of the two limit braces 170 (the first braces 171 and the second braces 172) is equal to the near and far length W of the bracket, and in order to ensure the stability and the easy separation of the bracket 400 after being embedded in the embodiment, draft angles β are arranged between the inner side surface of the first vertical block 111 and the connecting vertical block 113 and between the inner side surface of the second vertical block 112 and the connecting vertical block 113 of the bracket cladding body 100.
In the present embodiment, the bracket cover 100, the support body 200, and the connection platform 500 are integrally connected by 3D printing, and the material used for the bracket cover 100, the support body 200, and the connection platform 500 is photosensitive resin;
in this embodiment, the connecting edge outside the connecting position of the first vertical block 111 and the first inner buckle 171 and the connecting edge and corner outside the connecting position of the second vertical block 112 and the second inner buckle 172 are both provided with the anti-bonding chamfer 160, the anti-bonding chamfer 160 is arranged to prevent the excessive adhesive from overflowing, after the light curing treatment, the bracket and the cladding body are bonded by the excessive adhesive, and the anti-bonding chamfer 160 is mainly used for avoiding influencing the detachment between the embodiment and the bracket 400.
In this embodiment, all edges and corners of the support body 200 are rounded to avoid scratching soft tissue in the patient's mouth.
As shown in FIG. 3, the draft angle β is 1 degree to 10 degrees, i.e., the included angle between the inner surfaces of the first vertical block 111 and the connecting vertical block 113 and the included angle between the inner surfaces of the second vertical block 112 and the connecting vertical block 113 are both 91 degrees to 100 degrees, the draft angle β results in the narrow labial direction and the wide lingual direction of the entire U-shaped cladding body 110, so that the bracket 400 is easily demolded from the present embodiment, the width of the inner surface of the connecting vertical block 113 is equal to the near-far length W of the bracket, so as to limit the position change of the bracket 400 in the left-right direction, and the position change of the bracket 400 in the up-down direction is limited by the friction between the surfaces of the two side walls in the gingival direction of the present embodiment and the bracket 400 and the first vertical block 111 and the second.
The direction of the separation of the bracket 400 from the mold of the present embodiment is: the bracket cover 100 is released from the mold in the rearward-forward (i.e., lingual-labial) direction.
As shown in fig. 2 to 4, the middle parts of the inner walls of the first vertical block 111 and the second vertical block 112 are provided with the limiting body 140, the limiting body 140 is clamped in the bracket notch 420 of the bracket 400 but is not contacted with the bottom surface 430 of the bracket notch, and the arc diameter of the limiting body 140 is slightly larger than the width V of the bracket notch; the limiting body 140 has a semicircular spherical structure or an elliptical runway structure, wherein the circular runway structure is a runway-shaped limiting synapse 140b, and the limiting body 140 is mounted in a manner of being directly fixedly connected to the inner walls of the first vertical block 111 and the second vertical block 112 or being fixedly connected to the inner walls of the first vertical block 111 and the second vertical block 112 through an inclined column 140 a;
in the present embodiment, the arc diameter (height in the case of the elliptical raceway structure) of the stopper body 140 is: 0.58 mm-0.62 mm.
As shown in FIG. 6, the inclined column 140a, the first vertical block 111 and the second vertical block 112 are inclined downwards, the downward inclination angle α between the axis of the inclined column 140a and the first vertical block 111 and the second vertical block 112 is 95-120 degrees, the oblique downward structural design is favorable for smoothly embedding the bracket 400 into the bracket cladding body 100 from the top to the bottom, the friction force between the limiting body 140 and the bracket notch 420 is used for limiting the gingival-mandibular displacement of the bracket 400 in the bracket cladding body 100 of the embodiment and avoiding influencing the positioning precision of the bracket 400, and the length and the installation position of the inclined column 140a need to ensure that the limiting body 140 can be clamped into the bracket notch 420 of the bracket 400;
it should be additionally noted that, in practical design, the inclined column 140a and the limiting body 140 may be integrated into a whole, and the edge of the integrated structure is chamfered or polished to form an elliptical structure, so as to ensure that the installation operation can be completed more smoothly.
As shown in fig. 7, the runway-shaped spacing synapse 140b is fully engaged in the bracket slot 420 along the length direction thereof, so as to enhance the friction between the bracket cover 100 and the bracket slot 420; meanwhile, the length of the runway-shaped limiting synapse 140b is ensured so that the limiting body 140 does not contact with the bottom surface 430 of the bracket slot, thereby not blocking the bracket 400 from being embedded into the bracket cover 100.
As shown in fig. 8, 2-4 supporting bodies 200 are integrally and fixedly connected by sides, and the number of the connecting table 500 and the bracket cover 100 corresponds to the number of the supporting bodies 200; the positions of the molded support body 200, the connecting table 500 and the bracket cover body 100 are matched with the tooth form of each patient, and meanwhile, a socket 210 which is attached to the teeth of the patient is designed on the support body 200; on one hand, the sockets 210 on the support 200 make the embodiment fit with the teeth of the patient more firmly, so that the bonding precision and the bonding efficiency are improved; on the other hand, through the combination of 2-4 tooth positions, effective guide is provided for clinical bonding, and the situation that partial embodiment cannot be bonded due to position shielding caused by disordered bonding sequence is avoided;
in this embodiment, the upper edge of the inner side of the U-shaped cladding body 110 is provided with an inside-out chamfer 180 to facilitate the smooth insertion of the bracket 400 into this embodiment from above.
In this embodiment, the upper surface of the support body 200 is further provided with a digital dental position mark 220, which is convenient for a doctor to bond brackets 400 of different dental positions when in use.
As shown in fig. 9 to 11, an anti-slip texture 150 is provided on the inner wall surface of the connecting vertical block 113 or the inner wall surface of the entire U-shaped cladding body 110 (the first vertical block 111, the second vertical block 112, and the connecting vertical block 113), and after assembly and during transportation, the surface of the bracket 400 is always attached to the inner wall surface of the connecting vertical block 113 or the anti-slip texture 150; the anti-slip texture 150 is a high-low raised square structure, a bionic gecko toe structure, a salient point structure and the like, the friction force between the inner wall surface 110 of the inner buckle U-shaped and the surface of the bracket 400 is increased due to the anti-slip texture 150, the bracket 400 is prevented from moving in the transportation process, and the positioning precision of the bracket 400 is prevented from being influenced;
the high and low protruding square structures as shown in fig. 9 are uniformly arranged inside the first vertical block 111, the second vertical block 112 and the connecting vertical block 113, wherein the positions of the first vertical block 111 and the second vertical block 112 are near the root position connected with the connecting vertical block 113 due to the existence of the draft angle β.
The bionic gecko toe structure shown in fig. 10 is disposed on the inner side of the whole U-shaped cladding main body 110, wherein the bionic gecko toe structures disposed on the inner sides of the first vertical block 111, the second vertical block 112 and the connecting vertical block 113 have independent patterns to ensure that sufficient surface friction can be added to all directions of the bracket 400;
the bump structures shown in fig. 11 are uniformly disposed on the inner side of the U-shaped cladding main body 110.
The use method of the embodiment 1 of the invention specifically comprises the following steps:
prior to use: firstly, scanning the relation of malocclusion teeth of a patient by using a scanner to obtain a digital model, then marking the bonding position of the bracket 400 on the digital model by using orthodontic software, designing an orthodontic embodiment structure capable of bonding the bracket 400 to a specified position, and finally processing a personalized orthodontic embodiment by using a 3D printer for indirect bonding by a clinician.
Inserting the bracket 400 into the bracket cover 100:
firstly, the position of the bracket 400 is adjusted to enable the gap 440 of the bracket tie wing to face downwards, and the direction of the bracket near-far middle length W (left-right) of the bracket 400 is ensured to be parallel to the rotation limiting double-column 130 at the moment;
then, from the top down, the bracket 400 is assembled into the bracket inclusion 100 of the present embodiment,
since the minimum width between the first vertical block 111 and the second vertical block 112 (the width between the anti-slip textures 150 on both sides where the anti-slip textures 150 are provided) is equal to the bracket mesial-distal length W, the movement of the position of the bracket 400 in the left-right (buccal side and lingual side) direction is restricted, and the movement of the position of the bracket 400 in the up-down (gingival-maxillo) direction is restricted by the mutual friction between the stopper body 140 and the bracket notch 420.
(II) bonding bracket 400 to the tooth surface:
acid etching washes the tooth surface, dries the tooth surface and insulates moisture, paints a proper amount of light-cured resin adhesive on the back surface of the bracket bottom plate 460, according to the sequence of the front tooth and the back tooth, the socket 210 on the support body 200 of the embodiment is jointed with the teeth of the patient, the embodiment is pressed obliquely in the direction which forms an included angle of 45 degrees with the front-back direction and the up-down direction, so that the bracket 400 is completely jointed with the labial surface of the teeth, then the overflowed adhesive is scraped, the embodiment is continuously pressed, and the light-cured operation is carried out for 20-30 seconds in the gum direction.
(III) demolding and detaching the bracket 400 from the embodiment:
since the width of the inner side wall surface of the connecting upright block 113 (the minimum width between the anti-slip textures 150 on both sides if the anti-slip textures 150 are provided) is equal to the bracket proximal and distal length W, and the surface of the bracket 400 is attached to the connecting upright block 113 of the bracket covering body 100, when the bracket is removed from the mold, the bracket 400 and the embodiment should be shaken from the rear to the front (i.e., from the tongue to the lip), and the mold is removed from the bracket 400 by using the preset mold release angle β, because the mold release angle β of 1-10 degrees exists, the inside of the U-shaped covering body 110 is narrow in the front (lip) direction and wide in the rear (tongue) direction, and the embodiment in the market can be easily separated from the bracket 400 after the bracket is simply shaken.
As shown in fig. 9, in embodiment 2 of the present invention, the same portions as those in embodiment 1 are not described, and in embodiment 2, the stopper 140 is not provided, and the bracket 400 is fixed to the bracket cover 100 by bonding with a soluble adhesive;
the preparation method of the used soluble adhesive is to mix viscous macromolecules and a harmless solvent, and keep the temperature at 60-100 ℃ for 5-25 minutes, wherein the mixing ratio of the viscous macromolecules to the harmless solvent is as follows: (0.5 g-3 g): (1 ml-6 ml); the soluble adhesive is easily soluble in a removing solvent at normal temperature.
The use method of the embodiment 2 of the invention specifically comprises the following steps:
prior to use: firstly, scanning the relation of malocclusion teeth of a patient by using a scanner to obtain a digital model, then marking the bonding position of the bracket 400 on the digital model by using orthodontic software, designing an orthodontic embodiment structure capable of bonding the bracket 400 to a specified position, and finally processing a personalized orthodontic embodiment by using a 3D printer for indirect bonding by a clinician.
Inserting the bracket 400 into the bracket cover 100:
firstly, coating a layer of soluble adhesive on the surfaces of the first vertical block 111, the second vertical block 112 and the connecting vertical block 113 in the direction of the inside of the U-shaped cladding main body 110, adjusting the position of the bracket 400 to enable the bracket tie wing gap 440 to face downwards, and ensuring that the direction of the bracket near-far middle length W (left-right) of the bracket 400 is parallel to the rotation limiting double column 130 at the moment;
then, from the top down, the bracket 400 is assembled into the bracket inclusion 100 of the present embodiment,
since the minimum width between the first and second blocks 111 and 112 (the width between the anti-slip textures 150 on both sides where the anti-slip textures 150 are provided) is equal to the bracket mesial-distal length W, the bracket 400 is restricted from moving in the left-right (buccal side and lingual side) direction. Meanwhile, since the surfaces of the first vertical block 111, the second vertical block 112, and the connecting vertical block 113 are in contact with the surface of the bracket 400, the soluble adhesive retains the bracket cover 100 of the present embodiment and the bracket 400, and restricts the position movement of the bracket 400 in the up-down (gingival-maxillo) direction.
(II) bonding bracket 400 to the tooth surface:
acid etching washes the tooth surface, dries the tooth surface and insulates moisture, paints a proper amount of light-cured resin adhesive on the back surface of the bracket bottom plate 460, according to the sequence of the front tooth and the back tooth, the socket 210 on the support body 200 of the embodiment is jointed with the teeth of the patient, the embodiment is pressed obliquely in the direction which forms an included angle of 45 degrees with the front-back direction and the up-down direction, so that the bracket 400 is completely jointed with the labial surface of the teeth, then the overflowed adhesive is scraped, the embodiment is continuously pressed, and the light-cured operation is carried out for 20-30 seconds in the gum direction.
(III) detaching the bracket 400 from the present embodiment:
because the width of the inner side wall surface of the connecting vertical block 113 (the minimum width between the anti-slip textures 150 on both sides if the anti-slip textures 150 are arranged) is equal to the near-far length W of the bracket, and the surface of the bracket 400 and the bracket coating body 100 are retained by the soluble adhesive, when the bracket is removed, the gap between the bracket 400 and the bracket coating body 100 needs to be washed by clear water firstly, so that the soluble adhesive is hydrolyzed, and meanwhile, the bracket is shaken from back to front (i.e. from tongue to lip) while the bracket is removed, so that the separation and the removal of the bracket 400 are realized; because the dissolvable adhesive is hydrolyzed and deactivated, the interior of the U-shaped clad body 110 is narrow in the anterior (labial) direction and wide in the posterior (lingual) direction, and thus the embodiment of the present market can be easily detached from the bracket 400 after a simple shaking.
The directions of "front", "back", "left", "right", "upper" and "lower" used in the above description of the embodiments are only used to illustrate the technical solution of the present invention, and are not limited thereto; the two directions of front and back can be replaced by lip direction and tongue direction, while the directions of left, right, up and down are changed or replaced by the directions of near, far, gum and jaw according to the actual use position. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A combined individual orthodontic locator with an easily-detached bracket comprises a bracket coating body (100), a supporting body (200) and a connecting table (500), wherein the supporting body (200) is of a plate-shaped structure, the connecting table (500) is arranged above the supporting body (200), and the bracket coating body (100) is arranged on the connecting table (500), and is characterized in that the bracket coating body (100) consists of a first inner buckle (171), a first vertical block (111), a connecting vertical block (113), a second vertical block (112) and a second inner buckle (172) which are sequentially connected, a rotation limiting double column (130) is vertically arranged at the lower part of the inner wall of the connecting vertical block (113), the rotation limiting double column (130) is clamped in a bracket ligating wing gap (440) of a bracket (400), and demolding angles β are respectively arranged between the inner side face of the first vertical block (111) and the inner side face of the second vertical block (112) and the connecting vertical block (113).
2. The modular personalized orthodontic locator for easy bracket removal of claim 1, wherein the distance between the tips of the two retaining buttons (170) is equal to the bracket mesial-distal length W.
3. The modular personalized orthodontic locator with easy bracket detachment as claimed in claim 1, wherein the connecting edge outside the connection of the first vertical block (111) and the first inner buckle (171) and the connecting edge and corner outside the connection of the second vertical block (112) and the second inner buckle (172) are provided with anti-adhesion chamfers (160).
4. The combination type personalized orthodontic locator easy for bracket detachment as claimed in claim 1, wherein the draft angle β is 1 to 10 degrees, and the direction of demoulding separation of the bracket (400) is from back to front.
5. The combined type personalized orthodontic locator easy for bracket detachment as claimed in claim 1, wherein the first vertical block (111), the second vertical block (112) and the connecting vertical block (113) form a U-shaped cladding body (110), and the inner wall surface of the connecting vertical block (113) or the inner wall surface of the whole U-shaped cladding body (110) is provided with anti-skid textures (150).
6. The combination customized orthodontic locator of claim 5 wherein the non-slip texture (150) is a raised and lowered square structure, a bionic gecko toe structure or a bump structure.
7. The combination type personalized orthodontic locator easy for bracket removal as claimed in claim 1, wherein the middle of the inner wall of the first vertical block (111) and the second vertical block (112) is provided with a limiting body (140), the limiting body (140) is clamped into the bracket notch (420) of the bracket (400) but is not contacted with the bottom surface (430) of the bracket notch, and the arc diameter of the limiting body (140) is slightly larger than the width V of the bracket notch.
8. The combined personalized orthodontic locator easy to bracket remove as claimed in claim 7, wherein the limiting body (140) is of a semi-sphere structure, an ellipse structure or an elliptical runway structure, and the arc diameter of the limiting body (140) is as follows: 0.58 mm-0.62 mm.
9. The combined type personalized orthodontic locator easy for bracket detachment as claimed in claim 7, wherein the limiting body (140) is mounted to the middle of the inner walls of the first vertical block (111) and the second vertical block (112) directly or through an inclined column (140a), the lower mounting inclination angle α between the axis of the inclined column (140a) and the first vertical block (111) and the second vertical block (112) is 95-120 degrees, and the bracket (400) is mounted into the bracket cladding body (100) from top to bottom.
10. The combination type personalized orthodontic locator capable of being easily bracket detached as claimed in claim 1, wherein the bracket (400) and the bracket cladding body (100) are fixed by using soluble adhesive bonding, and the mixing ratio of the adhesive polymer and the harmless solvent is as follows: 0.5 g-3 g: 1ml to 6 ml.
11. The use method of the combined type personalized orthodontic locator easy for bracket removal based on claim 1 is characterized by comprising the following steps:
one) inserting the bracket (400) into the bracket cover (100):
firstly, adjusting the position of the bracket (400) to enable the gap (440) of the bracket tie wing to face downwards and ensure that the direction of the bracket near-far length W of the bracket (400) is parallel to the rotation limiting double-column (130); then, assembling the bracket (400) into the bracket cladding body (100) from top to bottom;
two) bonding the bracket (400) to the tooth surface:
acid etching to wash the tooth surface, blow-drying the tooth surface and insulating moisture, smearing a proper amount of light-cured resin adhesive on the rear surface of the bracket bottom plate (460), attaching a socket (210) arranged above the support body (200) to the teeth of a patient according to the sequence of the front teeth and the rear teeth, pressing the support body (200) to completely attach the bracket (400) to the labial surface of the teeth, and then scraping the overflowed adhesive; then continuously pressing the support body (200) and carrying out photocuring operation on the gum for 20-30 seconds;
thirdly), demolding and detaching the bracket (400) and the bracket cladding body (100):
the bracket cover (100) is detached from the bracket (400) by moving the support body (200) forward from the rear while the support body (200) is swung left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149970.7A CN110859678A (en) | 2019-11-21 | 2019-11-21 | Combined type personalized orthodontic positioner easy to detach bracket and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149970.7A CN110859678A (en) | 2019-11-21 | 2019-11-21 | Combined type personalized orthodontic positioner easy to detach bracket and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110859678A true CN110859678A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911149970.7A Pending CN110859678A (en) | 2019-11-21 | 2019-11-21 | Combined type personalized orthodontic positioner easy to detach bracket and using method |
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| CN (1) | CN110859678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115089326A (en) * | 2022-06-22 | 2022-09-23 | 上海埃蒙迪材料科技股份有限公司 | Orthodontic positioner for improving glue overflow in bonding and using method |
-
2019
- 2019-11-21 CN CN201911149970.7A patent/CN110859678A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115089326A (en) * | 2022-06-22 | 2022-09-23 | 上海埃蒙迪材料科技股份有限公司 | Orthodontic positioner for improving glue overflow in bonding and using method |
| CN115089326B (en) * | 2022-06-22 | 2024-05-24 | 上海埃蒙迪材料科技股份有限公司 | Orthodontic locator for improving glue overflow in bonding and using method |
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