阅读说明：本技术 一种通用型正畸托槽粘接定位装置及其制造及使用方法 (Universal orthodontic bracket bonding positioning device and manufacturing and using method thereof ) 是由 吝德智 于 2020-08-01 设计创作，主要内容包括：本发明具体是一种通用型正畸托槽粘接定位装置及其制造及使用方法,解决了现有间接粘接定位器适配性差、分离操作繁琐、定位精度易被干扰、可能带来健康隐患的问题。一种通用型正畸托槽粘接定位装置,包括托槽与夹持体,夹持体的上部设置有两个左右分布的夹持板,托槽主体夹设于两个夹持板之间,且托槽主体的近中面、远中面与两个夹持板的内侧面通过过盈配合对应贴合；夹持体的下部前表面延伸设置有牙窝基座,牙窝基座的上表面与牙窝沟吻合接触。本发明实现了定位粘接托槽及颊面管的目的,与托槽及颊面管易于装配,方便分离,有效提高了临床操作的便捷性,同时与牙齿匹配精确,有效提升了托槽或颊面管的定位精度。(The invention particularly relates to a universal orthodontic bracket bonding positioning device and a manufacturing and using method thereof, and solves the problems that the existing indirect bonding positioner is poor in adaptability, complicated in separation operation, easy to interfere in positioning accuracy and possible to bring health hidden troubles. A universal orthodontic bracket bonding and positioning device comprises a bracket and a clamping body, wherein two clamping plates distributed left and right are arranged at the upper part of the clamping body, a bracket main body is clamped between the two clamping plates, and the mesial surface and the distal surface of the bracket main body are correspondingly attached to the inner side surfaces of the two clamping plates in an interference fit manner; the front surface of the lower part of the clamping body is provided with a socket base in an extending way, and the upper surface of the socket base is contacted with the socket groove in a matching way. The invention realizes the purpose of positioning and bonding the bracket and the buccal tube, is easy to assemble and convenient to separate with the bracket and the buccal tube, effectively improves the convenience of clinical operation, is accurately matched with teeth, and effectively improves the positioning precision of the bracket or the buccal tube.)

1. The utility model provides a positioner is glued to general type orthodontic bracket which characterized in that: the tooth-supporting bracket comprises a bracket (1) and a clamping body (201), wherein the bracket (1) comprises a bracket substrate (101) and a bracket main body (102), and the back surface of the bracket substrate (101) is attached to the tooth surface; the upper part of the clamping body (201) is provided with two clamping plates (202) which are distributed left and right, the bracket main body (102) is clamped between the two clamping plates (202), and the mesial surface and the distal surface of the bracket main body (102) are correspondingly attached to the inner side surfaces of the two clamping plates (202) through interference fit; a socket base (203) is arranged on the front surface of the lower part of the clamping body (201) in an extending mode, and the upper surface of the socket base (203) is in fit contact with a socket groove.

2. The universal orthodontic bracket bonding positioning device as claimed in claim 1, wherein: the bracket (1) can be replaced by a buccal tube (3); the bracket base (101) may be replaced with a buccal tube base (301); the bracket body (102) may be replaced with a buccal tube body (302).

3. The universal orthodontic bracket bonding positioning device as claimed in claim 1 or 2, wherein: the lower part of the inner side surface of each clamping plate (202) is provided with a rectangular groove (204) which is through from front to back, and the lower part of the groove bottom of each rectangular groove (204) is provided with a ladder-shaped groove (205) which is through with the lower end surface of each clamping plate (202) in an outward concave mode.

4. The universal orthodontic bracket bonding positioning device as claimed in claim 1, wherein: the clamping body (201), the clamping plate (202) and the socket base (203) are all made of photosensitive resin, the tensile strength of the clamping body, the tensile modulus of the clamping plate and the socket base are all 30MPa-60Mpa, the tensile modulus of the clamping plate and the socket base are all 1.2GPa-2.8GPa, the elongation percentage of the clamping body is 25% -50%, the bending stress of a 5% strain part is 25MPa-60MPa, the bending modulus of the clamping body, the bending modulus of the clamping plate and the socket base is 0.7GPa-1.6GPa, and the notch.

5. The universal orthodontic bracket bonding positioning device as claimed in claim 1, wherein: the inner side surfaces of the two clamping plates (202) are parallel, the included angles between the two clamping plates and the vertical surface are equal to the shaft inclination angle of the bracket (1), the distance value between the two clamping plates (202) is smaller than the distance value between the mesial surface and the distal surface of the bracket main body (102), and the difference value between the two distance values is 0.05mm-0.20 mm.

6. A method of manufacturing a universal orthodontic bracket bonding fixture as defined in claim 1, comprising: the method is realized by adopting the following steps: s1: measuring the size of the bracket (1) to be bonded; s2: carrying out digital modeling on the teeth of the patient, and determining the position of the bracket (1) on the surface of the teeth and the shape of the fossa of the teeth of the patient; s3: determining the size of the clamping body (201), so that the mesial surface and the distal surface of the bracket main body (102) are correspondingly attached to the inner side surfaces of the two clamping plates (202) through interference fit, and simultaneously, the upper surface of the socket base (203) is matched with the socket groove; s4: this positioner of 3D printing process.

7. The method for manufacturing the universal orthodontic bracket bonding positioning device as claimed in claim 6, wherein: the method is used for manufacturing the universal orthodontic bracket bonding positioning device as claimed in claim 2, wherein the bracket (1) can be replaced by a buccal tube (3); the bracket base (101) may be replaced with a buccal tube base (301); the bracket body (102) may be replaced with a buccal tube body (302).

8. A method for using the universal orthodontic bracket bonding positioning device, which is realized based on the universal orthodontic bracket bonding positioning device as claimed in claim 3, and is characterized in that: the method is realized by adopting the following steps:

s1: assembling the bracket (1): firstly, clamping a bracket main body (102) between two clamping plates (202) from top to bottom, so that the mesial surface and the distal surface of the bracket main body (102) are correspondingly attached to the inner side surfaces of the two clamping plates (202) through interference fit until a bracket base (101) is contacted with a dental socket base (203); then adjusting the front and back positions of the bracket main body (102) to enable the left part and the right part of the front surface of the bracket substrate (101) to be correspondingly attached to the front end surfaces of the two clamping plates (202);

s2: the fixing of this positioner and tooth: treating the surface of a tooth according to clinical requirements, then placing the positioning device provided with the bracket (1) upside down on the fossa sulcus of the tooth, so that the reverse side of the bracket substrate (101) is attached to the surface of the tooth, and the upper surface of the fossa base (203) is closely attached to the fossa sulcus, thereby realizing the transfer positioning of the bracket (1);

s3: bonding of the bracket (1): filling a proper adhesive between the reverse surface of the bracket substrate (101) and the surface of the tooth;

s4: separation of the bracket (1):

the separation of the bracket (1) is assisted by a locator removing clamp; the locator removing forceps comprise two forceps beaks (401) which are narrow at the upper part and wide at the lower part and are symmetrically arranged at the left and right sides, the upper parts of the two forceps beaks (401) are jointed, the lower parts of the two forceps beaks are arranged at an acute angle of 3-10 degrees, and the middle parts of the two forceps beaks are hinged through a pin shaft (402); the outer side surfaces of the two clamp beaks (401) extend backwards to form two connecting plates respectively, and two adjusting springs which are distributed in parallel up and down and are positioned below the pin shaft (402) are fixedly connected between the two connecting plates; the upper end parts of the two forceps beaks (401) are bent backwards, and anti-skid reticulate patterns (403) are arranged on the upper parts of the outer side surfaces of the two forceps beaks; two forceps handles (404) which are symmetrically arranged left and right are respectively fixed at the bottoms of the two forceps beaks (401), the two forceps handles (404) are both of an outwards bent arc-shaped structure, and an operation gap is reserved between the bottoms of the two forceps handles;

when the forceps are separated, two forceps beaks (401) of the locator removing forceps simultaneously extend into a trapezoid groove adjacent to the mesial surface of the bracket main body (102), two adjusting springs are sequentially compressed through closing the forceps handles (404), so that the included angle of the lower parts of the two forceps beaks (401) is gradually reduced, the upper end parts of the two forceps beaks (401) are driven to open at a small angle, and the mesial surface of the bracket main body (102) is separated from the inner side surface of the clamping plate (202) corresponding to the bracket main body; by analogy, the far middle surface of the bracket main body (102) is separated from the inner side surface of the clamping plate (202) corresponding to the far middle surface; therefore, the process of safely separating the positioning device from the bracket (1) is realized, and in the process, the opening distance of the two clamp beaks (401) is controlled within a safe distance by the acute angle structures at the lower parts of the two clamp beaks, so that the two clamping plates (202) cannot break or rebound in the separation process.

9. The use method of the universal orthodontic bracket bonding positioning device as claimed in claim 8, wherein: the method is realized based on the universal orthodontic bracket bonding positioning device as claimed in claim 2, wherein the bracket can be replaced by a buccal tube (3); the bracket base (101) may be replaced with a buccal tube base (301); the bracket body (102) may be replaced with a buccal tube body (302).

Technical Field

The invention relates to a positioning device for medical instruments, in particular to a universal orthodontic bracket bonding positioning device and a manufacturing and using method thereof.

Background

In the straight wire arch correction technology, the accurate positioning of the bracket is very important, and the accurate positioning directly determines whether the data prefabricated in the bracket can be expressed or not, and further determines whether the accurate control on the three-dimensional direction of the tooth can be realized or not. The traditional method for directly bonding the bracket has the problems of complex operation and inaccurate positioning. At present, the bracket is clinically bonded on the tooth surface by adopting an indirect bonding method.

However, practice has shown that the existing indirect bonding positioner has the following problems: firstly, the adaptability is poor, and the bracket can only be matched with brackets of specific models, and brackets of different brands are designed with different far and near length, thickness, wing spreading length, prefabricated angle and the like, so that the existing indirect bonding positioner cannot meet the clinical correction requirement; secondly, the separation operation is complicated, the separation method of the current commonly used locator comprises a hydrosol dissolving method and an elastic rubber ring removing method, the former method consumes time in the process of dissolving glue, the dissolved glue enters the body of a patient and possibly causes health hidden dangers, and the latter method is easy to loosen and affects the positioning precision and has more operation steps.

Disclosure of Invention

The invention provides a universal orthodontic bracket bonding positioning device and a manufacturing and using method thereof, aiming at solving the problems that the existing indirect bonding positioner is poor in adaptability, complicated in separation operation, easy in interference of positioning accuracy and possible to bring health hidden trouble.

The invention is realized by adopting the following technical scheme:

a universal orthodontic bracket bonding positioning device comprises a bracket and a clamping body, wherein the bracket comprises a bracket base and a bracket main body, and the back surface of the bracket base is attached to a tooth surface; the upper part of the clamping body is provided with two clamping plates which are distributed left and right, the bracket main body is clamped between the two clamping plates, and the mesial surface and the distal surface of the bracket main body are correspondingly attached to the inner side surfaces of the two clamping plates through interference fit; the front surface of the lower part of the clamping body is provided with a socket base in an extending way, and the upper surface of the socket base is contacted with the socket groove in a matching way.

The bracket can be replaced by a buccal tube; the bracket base can be replaced by a buccal tube base; the bracket body can be replaced by a buccal tube body.

The lower portion of the inner side face of each clamping plate is provided with a rectangular groove which is through from front to back, and the lower portion of the groove bottom of each rectangular groove is recessed outwards and provided with a trapezoid groove which is through with the lower end face of each clamping plate.

The clamping body, the clamping plate and the socket base are all made of photosensitive resin, the tensile strength of the clamping body, the tensile modulus of the clamping plate and the socket base are all 30MPa-60MPa, the elongation of the clamping body is all 1.2GPa-2.8GPa, the elongation of the clamping plate and the socket base is all 25% -50%, the bending stress of a 5% strain part is all 25MPa-60MPa, the bending modulus of the clamping body is all 0.7GPa-1.6GPa, and the notch impact strength of the clamping body, the clamping plate and the.

The selected material has certain strength and toughness, and on the basis of ensuring the bracket to be firmly clamped, the problem that the positioning device is difficult to separate from the bracket is avoided; on the other hand, the problems of failure and falling of the fragments into the oral cavity of the patient when brittle failure occurs are avoided.

The inner side surfaces of the two clamping plates are parallel, the included angles between the two clamping plates and the vertical surface are equal to the axial inclination angle of the bracket, the distance value between the two clamping plates is smaller than the distance value between the mesial surface and the distal surface of the bracket main body, and the difference value between the two distance values is 0.05mm-0.20 mm.

This structural design makes the interference magnitude of grip block and support groove main part moderate, has avoided the unable spacing problem of interference magnitude undersize on the one hand, and on the other hand has avoided the interference magnitude too big be difficult to assemble, easy cracked problem, and then has guaranteed this positioning device's positioning accuracy.

The invention discloses a method for manufacturing a universal orthodontic bracket bonding positioning device, which is used for manufacturing the universal orthodontic bracket bonding positioning device and is realized by the following steps: s1: measuring the size of a bracket to be bonded; s2: carrying out digital modeling on the teeth of the patient, and determining the position of the bracket on the surface of the teeth and the shape of the fossa of the teeth of the patient; s3: determining the size of the clamping body, so that the mesial surface and the distal surface of the bracket main body are correspondingly attached to the inner side surfaces of the two clamping plates through interference fit, and simultaneously, the upper surface of the socket base is matched with the socket groove; s4: this positioner of 3D printing process.

A method for manufacturing a universal orthodontic bracket bonding positioning device, which is used for manufacturing the universal orthodontic bracket bonding positioning device, wherein the bracket can be replaced by a buccal tube; the bracket base can be replaced by a buccal tube base; the bracket body can be replaced by a buccal tube body.

The invention discloses a using method of a universal orthodontic bracket bonding positioning device, which is realized on the basis of the universal orthodontic bracket bonding positioning device, and the method is realized by adopting the following steps:

s1: assembling a bracket: firstly, clamping a bracket main body between two clamping plates from top to bottom, and correspondingly attaching the mesial surface and the distal surface of the bracket main body to the inner side surfaces of the two clamping plates through interference fit until a bracket base is contacted with a dental socket base; then adjusting the front and back positions of the bracket main body to ensure that the left part and the right part of the front surface of the bracket substrate are correspondingly attached to the front end surfaces of the two clamping plates;

s2: the fixing of this positioner and tooth: treating the surface of a tooth according to clinical requirements, and then inversely placing the positioning device provided with the bracket on a fossa groove of the tooth, so that the reverse side of a bracket substrate is attached to the surface of the tooth, and simultaneously, the upper surface of a fossa base is closely attached to the fossa groove, thereby realizing the transfer positioning of the bracket;

s3: bonding of the bracket: filling a proper adhesive between the reverse surface of the bracket substrate and the surface of the tooth;

s4: separation of the bracket:

the separation of the bracket is completed by the assistance of a locator removing clamp; the locator removing forceps comprise two forceps beaks which are narrow at the upper part and wide at the lower part and are symmetrically arranged at the left and right sides, the upper parts of the two forceps beaks are jointed, the lower parts of the two forceps beaks are arranged at acute angles of 3-10 degrees, and the middle parts of the two forceps beaks are hinged through a pin shaft; the outer side surfaces of the two forceps beaks respectively extend backwards to form two connecting plates, and two adjusting springs which are distributed in parallel up and down and are positioned below the pin shaft are fixedly connected between the two connecting plates; the upper end parts of the two forceps beaks are bent backwards, and the upper parts of the outer side surfaces of the two forceps beaks are provided with anti-skid reticulate patterns; two forceps handles which are symmetrically arranged left and right are respectively fixed at the bottoms of the two forceps beaks, the two forceps handles are of outwards bent arc structures, and an operation gap is reserved between the bottoms of the two forceps handles;

when the device is separated, two forceps beaks of the locator removing forceps simultaneously extend into a trapezoidal groove adjacent to the mesial surface of the bracket main body, and two adjusting springs are sequentially compressed through closing the forceps handles, so that the included angle of the lower parts of the two forceps beaks is gradually reduced, the upper end parts of the two forceps beaks are driven to open at a small angle, and the mesial surface of the bracket main body is separated from the inner side surface of the clamping plate corresponding to the mesial surface; by parity of reasoning, the far middle surface of the bracket main body is separated from the inner side surface of the clamping plate corresponding to the bracket main body; the process of this positioner and bracket safety separation is realized from this, and at this in-process, the acute angle structure of two pincers beak lower parts is with the distance control that opens of both in safe distance, makes two grip blocks can not break or kick-back in the separation process.

The method for using the universal orthodontic bracket bonding positioning device is realized based on the universal orthodontic bracket bonding positioning device, and the bracket can be replaced by a buccal tube; the bracket base can be replaced by a buccal tube base; the bracket body can be replaced by a buccal tube body.

The invention has reasonable and reliable structural design, realizes the purpose of positioning and bonding the bracket and the buccal tube, and the selected photosensitive resin has proper strength and certain toughness, is easy to assemble and separate with the bracket and the buccal tube, effectively improves the convenience of clinical operation, reduces the mouth opening time of patients, shortens the operation flow beside the doctor chair, effectively improves the clinical operation efficiency of the fixed appliance, meanwhile, the tooth-shaped tooth bracket is accurately matched with teeth, the positioning precision of the bracket or the buccal tube is effectively improved, and further, the distance is controllable when the device is separated from the bracket or buccal tube, the device can not influence the soft tissue of the oral cavity of a patient, and can not interfere the bonded bracket or buccal tube, the device has the advantages of simple and feasible production process and good biological safety, can be universally used for the bracket or buccal tube with different structural sizes, and is favorable for the standardized development of indirect bonding positioners.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of FIG. 1 assembled with a bracket;

FIG. 3 is a schematic view of the assembly of FIG. 1 with buccal tubes;

FIG. 4 is a reference view of FIG. 1 in a state separated from the bracket;

FIG. 5 is a schematic view of the structure of the clamping plate of FIG. 1;

FIG. 6 is a schematic front view of the clamping plate of FIG. 1;

FIG. 7 is a schematic view of the construction of the locator removal clamp of the present invention;

FIG. 8 is a schematic view of the structure of the locator beak remover of the present invention;

FIG. 9 is a schematic view of the upper end of the beak of a locator removal forceps of the present invention;

FIG. 10 is a schematic view of a bracket of the present invention;

FIG. 11 is a schematic top view of a bracket of the present invention;

FIG. 12 is a schematic view of the structure of the buccal tube in the present invention;

FIG. 13 is a schematic top view of a buccal tube of the present invention;

FIG. 14 is a graph showing the comparison of tensile stress strain between the photosensitive resin and the competitor in example 1 of the present invention.

In the figure, 1-bracket, 101-bracket base, 102-bracket body, 201-clamping body, 202-clamping plate, 203-socket base, 204-rectangular groove, 205-trapezoidal groove, 3-buccal tube, 301-buccal tube base, 302-buccal tube body, 401-forceps beak, 402-pin shaft, 403-anti-skid reticulate pattern, 404-forceps handle.

Detailed Description