WO2016119671A1 - 牵引托槽与正畸矫正系统及其矫正方法 - Google Patents

牵引托槽与正畸矫正系统及其矫正方法 Download PDF

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Publication number
WO2016119671A1
WO2016119671A1 PCT/CN2016/072085 CN2016072085W WO2016119671A1 WO 2016119671 A1 WO2016119671 A1 WO 2016119671A1 CN 2016072085 W CN2016072085 W CN 2016072085W WO 2016119671 A1 WO2016119671 A1 WO 2016119671A1
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WO
WIPO (PCT)
Prior art keywords
traction
locking
groove
main body
body portion
Prior art date
Application number
PCT/CN2016/072085
Other languages
English (en)
French (fr)
Inventor
吉利
Original Assignee
吉利
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 吉利 filed Critical 吉利
Priority to US15/547,413 priority Critical patent/US10398531B2/en
Publication of WO2016119671A1 publication Critical patent/WO2016119671A1/zh

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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
    • 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
    • A61C7/20—Arch wires
    • A61C7/22—Tension adjusting means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/28—Securing arch wire to bracket
    • A61C7/34—Securing arch wire to bracket using lock pins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/125—Mouth tissue protecting means, e.g. bracket caps
    • 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
    • A61C7/20—Arch wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/28—Securing arch wire to bracket
    • A61C7/287—Sliding locks

Definitions

  • the invention relates to the field of fixed orthodontic technology and correction of teeth, in particular to a traction bracket and orthodontic correction system and a correction method thereof.
  • the bracket is an important component of the fixed orthodontic technique and is an appliance for correcting the malformation of the teeth.
  • the adhesive is directly bonded to the surface of the crown, and the archwire applies various types of orthodontic force to the tooth through the bracket to achieve the purpose of orthodontic treatment.
  • the brackets for tying the wings, the main groove and the bottom plate are integrated in the whole world, and the arch wire for correction is fixed in the main groove, and the teeth and the bracket are sliding along the arch wire as a whole.
  • Most of the traction hooks of the current brackets are directly welded to the main body of the bracket, and cannot be disassembled, and the protruding traction hooks are easy to scratch the oral mucosa.
  • the square arch wire size usually used is smaller than the size of the main groove of the bracket.
  • the archwire will produce a 10-24° clearance angle with the groove of the main groove of the bracket, so that the archwire cannot fully express the torque angle of the main groove of the bracket.
  • a traction bracket includes a connecting portion, a cylindrical traction member, and
  • main body portion having a surface and a bottom surface, the surface of the main body portion having a main groove, the main body portion having a locking traction hole, and the one end of the locking traction hole opening at a surface of the main body portion a cylindrical traction member inlet, the other end opening in the main groove of the main body portion forms a locking hole, and the traction member is matched and coupled to the locking traction hole;
  • a cover portion having a bottom surface and a surface, wherein the main body portion and the cover portion are connected by the connecting portion, and a bottom surface of the cover portion matches a surface of the main body portion and The main groove is covered.
  • the surface of the cover portion matches the surface of the body portion in a rounded curved shape.
  • the inner wall of the locking traction hole has a thread
  • the inner diameter of the locking hole near the end of the main groove is smaller than the inner diameter of the inlet of the traction member near the end of the surface of the main body
  • the cylinder has a cylindrical traction bolt and a cylindrical locking bolt, the outer wall of the traction bolt and the locking bolt are threaded, and the diameter of the traction bolt is matched with the inner diameter of the locking hole
  • the locking bolt has a diameter matching the inner diameter of the inlet of the traction member, and one end of the locking bolt has a locking projection, and the locking projection is fitted in the locking locking hole, so that the locking bolt is matched with the stopping Lock the traction hole.
  • the main groove divides a surface of the main body portion into a first end portion and a second end portion, and the first end portion has the locking traction hole, the main body portion The first end portion protrudes relative to the second end portion, and the surface of the first end portion of the main body portion has a rounded curved shape;
  • the bottom surface of the cover portion is matched with the surface of the second end portion of the main body portion, and the surface of the cover portion has a rounded curved shape and is matched with the surface of the first end portion of the main body portion in an ellipsoidal shape.
  • the first end of the main body portion has a first groove toward a side of the second end, the first groove has a notch size smaller than the inner dimension of the groove, and the cover portion faces a side surface of the first groove of the main body portion has a second groove, the second groove
  • the slot size is smaller than the inner size of the slot
  • the connecting portion has a first connecting side and a second connecting side, the first connecting side is matched with the first groove, and the second connecting side is matched with the second groove.
  • the first groove has a semicircular cross section along the main groove direction
  • the second groove has a rectangular cross section along the main groove direction.
  • One of the edges of the two groove slots has a protruding edge extending toward the other edge direction;
  • the first connecting side of the connecting portion has a semi-cylindrical shape matching the first groove of the semi-circular cross section, and the second connecting side has an L shape matching the second groove, and the first connecting side is located at the One end portion of the second connection side is described.
  • the first end of the main body portion of the locking traction hole has a thread
  • the locking traction hole is adjacent to an inner diameter of one end of the main groove and an inlet of the traction member closer to one end of the surface of the main body.
  • the cylindrical traction member has a locking bolt and a traction bolt, the locking bolt and the traction bolt have a screwing portion, a resisting portion and a bolt cap, and the screwing portion and the resisting portion are both column-shaped, both of which The radial cross section is circular; one end of the screwing portion is connected to one end of the resisting portion; the bolt cap is connected to the other end of the resisting portion; the outer diameter of the bolt cap is larger than the resisting portion Outer diameter
  • the outer diameter of the screwing portion is smaller than the outer diameter of the resisting portion, the outer diameter of the screwing portion is matched with the inner diameter of the locking and pulling hole, and the outer diameter of the resisting portion is larger than the locking and pulling hole Inner diameter.
  • the length of the screwing portion of the traction bolt is less than or equal to the length of the locking hole, and the front end of the screwing portion cannot be screwed into the main groove.
  • the length of the screwing portion of the locking bolt is greater than the length of the locking hole, and the front end of the screwing portion can be rotated. Enter the main groove and fix it with the archwire in the main groove.
  • Another object of the present invention is to provide an orthodontic correction system.
  • An orthodontic correction system comprising an archwire and an elastic member, further comprising at least two of said traction brackets, said archwire passing through a main groove of a surface of the body portion, connected to the two by said elastic member Traction parts on the traction brackets.
  • Another object of the present invention is to provide a method of orthodontic correction.
  • An orthodontic correction method includes the following steps:
  • the main body of the orthodontic correction system is fixed to the surface of the tooth to be corrected by adhesion, and the archwire of the orthodontic correction system is passed through the main groove of the traction bracket;
  • the traction member When the tooth movement is required, the traction member is inserted into the locking traction hole to be fixed, and the traction member on the other teeth is connected through the elastic member, and the traction bracket traction member on the tooth that needs to be corrected in the near and far is fixedly connected by the elastic member. Correction of tooth movement by stretching of the traction wire;
  • the traction component When the teeth need to be fixed, the traction component is inserted through the locking traction hole and passes through the locking hole, so that the end of the traction component is closely connected with the archwire in the main groove, thereby realizing the arching lock and the locking fixed tooth.
  • the anchorage As the anchorage, the movement of the other traction brackets is pulled by the traction member to drive the corresponding tooth movement correction.
  • the archwire After all the teeth are moved, the archwire is completely contacted with the inner wall of the main groove by the locking bolt, and the bow and the main body are removed.
  • the clearance angle of the groove allows all teeth to assume the preset torque angle of the main groove.
  • the traction bracket according to the present invention has a locking portion of the main body portion, the cover portion and the connecting portion.
  • the first end portion of the main body portion has a locking traction hole
  • the locking traction hole has one end open to the main body portion. The other end is open in the direction of the main groove of the main body portion.
  • the design of the locking traction hole enables the traction brackets on the surfaces of the two adjacent or adjacent teeth to force the two traction members under the tension of the traction wire. In use, one of the traction brackets and the archwire are used.
  • the other side of the tooth surface to be adjusted is not fixed between the traction bracket and the arch wire, so that the traction bracket on the tooth surface to be adjusted can be slowly pulled toward the other traction bracket by the action of the pulling wire. Stretching can be adjusted in this direction.
  • the inner wall of the locking traction hole has a thread
  • the inner diameter of the locking traction hole near one end of the main groove is smaller than the inner diameter of one end of the surface near the main body portion
  • the cylindrical traction member has a cylindrical shape.
  • the locking bolt is adapted to match the locking traction aperture. After the traction bolt (single-stage peg) is screwed into the locking traction hole, it can only function as a traction hook to help the bracket slide along the archwire. After the locking bolt (two-stage peg) is screwed into the locking traction hole, the tip end of the stud can enter the main groove of the bracket through the locking hole, and is in contact with the archwire in the groove during the working state. The frictional force of the extrusion is such that the archwire cannot slide in the bracket and achieve the function of stopping.
  • the traction bracket according to the present invention through the cooperation of the main body portion, the cover portion and the connecting portion, in particular, the dimension of the main body portion in the direction of the main groove is larger than the main groove in the transverse plane of the main body portion (lateral direction)
  • the dimension in the groove direction is such that the traction bracket forms an ellipsoidal shape in the direction of the main groove, or the dimension of the main body portion in the direction of the main groove is smaller than the plane of the main body (lateral direction) perpendicular to the main groove
  • the dimension in the direction is such that the traction bracket forms an ellipsoidal shape in the direction of the minor axis of the main groove (i.e., the direction perpendicular to the main groove).
  • the surface of the cover portion and the surface of the first end portion of the main body portion are ellipsoid-like, so that the length of the main groove is increased or decreased, the transverse diameter is increased or decreased, and the bracket is added to the archwire.
  • the length is controlled, which increases the control of the dental shaft.
  • the elliptical ball-like design effectively reduces the surface height of the traction bracket, and the comfort is increased, so that the patient can reduce the discomfort in the oral cavity when in use.
  • the first end of the main body portion has a first groove toward a side surface of the second end portion, and the notch size of the first groove is smaller than the inner size of the groove, and the cover portion is a side surface of the first groove facing the main body portion has a second groove, the second groove has a notch size smaller than an inner dimension of the groove;
  • the connecting portion has a first connecting side and a second connecting side, the first The connecting side is matched to the first groove, and the second connecting side is matched to the second groove.
  • the first groove has a semicircular cross section along the main groove direction
  • the second groove has a rectangular cross section along the main groove direction.
  • One of the edges of the second groove slot has a protruding edge extending toward the other edge direction; the first connection side of the connection portion is matched to the first groove, and the second connection side is matched to the second groove L shape.
  • the shape of the two grooves is obviously different between the two ends, and it is easy to be installed in one position at the time of installation, thereby avoiding the phenomenon of reverse mounting of the connecting portion.
  • the surface of the second end portion of the main body portion is connected with a T-shaped convex portion
  • the cover body portion has a T-shaped groove portion facing the side surface of the first end portion, the concave portion
  • the groove portion is matched to the protruding portion, and the convex portion and the groove portion are designed such that the cooperation between the cover portion and the main body portion is more tight, and the cover portion is not easily moved or dropped. During use, the movement of the cover portion is avoided, which affects the user's feeling.
  • the invention relates to a traction bracket, and the design of the ligating groove is ligated in the ligating groove, which is more conducive to the cooperation between the entire traction bracket and the archwire.
  • the design of the protective wing is mainly to prevent dislocation and displacement of the ligature wire ligated in the ligating groove.
  • the orthodontic correction method of the invention is simple and convenient to operate, and the device is simple in production, low in cost, simple in manual operation, saves time and manpower, and is safe in use.
  • FIG. 1 is a front view of a main body portion and a bottom plate of a traction bracket according to an embodiment of the present invention
  • FIG. 2 is a top plan view of a main body portion and a bottom plate of a traction bracket according to an embodiment of the present invention
  • FIG. 3-6 are side views of the main body portion and the bottom plate of the traction bracket according to an embodiment of the present invention.
  • Figure 7 is a front elevational view of the cover portion of the traction bracket of the embodiment of the present invention.
  • FIG. 8 is a top plan view of a cover portion of a traction bracket according to an embodiment of the present invention.
  • FIGS. 9 and 10 are side views of a cover portion of a traction bracket according to an embodiment of the present invention.
  • Figure 11 is a front elevational view of the connecting portion of the traction bracket of the embodiment of the present invention.
  • Figure 12 is a side view of the connecting portion of the traction bracket of the embodiment of the present invention.
  • Figure 13 is a front elevational view of the traction bracket of the embodiment of the present invention.
  • Figure 16 is a front elevational view of the lock bolt of the embodiment of the present invention.
  • Figure 17 is a top plan view of the lock bolt of the embodiment of the present invention.
  • Figure 18 is a side view of the lock bolt of the embodiment of the present invention.
  • Figure 19 is a side view of the towing pin of the embodiment of the present invention.
  • Figure 20 is a front elevational view of the towing pin of the embodiment of the present invention.
  • Figure 21 is a front elevational view of the traction bracket and the locking bolt in accordance with an embodiment of the present invention.
  • Figure 22 is a side cross-sectional view of the traction bracket and the locking bolt in accordance with an embodiment of the present invention.
  • Figure 23 is a side cross-sectional view of the traction bracket and the traction bolt in accordance with an embodiment of the present invention.
  • 24 is a schematic view of a towing bolt according to another embodiment of the present invention.
  • Figure 25 is a schematic view of a lock bolt according to another embodiment of the present invention.
  • Figure 26 is a side cross-sectional view of the traction bracket and the traction bolt in accordance with an embodiment of the present invention.
  • Figure 27 is a side cross-sectional view of the traction bracket and the locking bolt in accordance with an embodiment of the present invention.
  • This embodiment provides an orthodontic correction system including an archwire 900, an elastic member (the traction wire is used in the present embodiment, not shown in the drawings), and a traction bracket.
  • the traction bracket as shown in Figures 13-15, includes a traction member, a body portion 100, a cover portion 200, and a connecting portion 300, the traction member having a cylindrical shape.
  • the main body portion 100 has a surface and a bottom surface, and the surface of the main body portion 100 has a main groove 101, and the main groove 101 divides the surface of the main body portion 100 into first The end portion 102 and the second end portion 103, the size of the main body portion 100 in the direction of the main groove 101 is larger than the dimension in the direction perpendicular to the main groove 101 in the lateral plane of the main body portion, or the main body portion 100 is along the main body
  • the dimension in the direction of the groove 101 is smaller than the dimension in the direction perpendicular to the main groove 101 in the transverse plane of the main body portion, and the dimension of the main body portion 100 in the direction of the main groove 101 is different depending on the width of the tooth body.
  • this embodiment is shown as one of the dimensions of the traction bracket.
  • the first end portion 102 of the main body portion 100 protrudes relative to the second end portion 103, and the surface of the first end portion 102 of the main body portion 100 has a rounded curved shape;
  • the first end portion of the main body portion has a locking traction hole 106.
  • the one end of the locking traction hole 106 is open at a surface of the main body portion 100 to form a cylindrical traction member inlet, and the other end is open to the main body portion 100.
  • the main groove 101 forms a locking hole.
  • the inner wall of the lock traction hole 106 has a thread, and the lock traction hole 106 is close to the lock hole formed at one end of the main groove 101, and the end of the surface of the main body portion 100 is formed to be pulled. Component entry.
  • the inner diameter of the lock hole of the lock release hole 106 near one end of the main groove 101 is smaller than the inner diameter of the inlet of the traction member near the end of the surface of the main body portion 100.
  • the cylindrical traction member has a cylindrical locking bolt 600, the locking bolt 600 is matched with the locking traction hole 106, and the outer wall of the pulling bolt 700 and the locking bolt 600 are threaded, and the locking bolt One end of the 600 (two-stage stud) has a larger inner diameter matching the inner diameter of the lock traction hole 106, that is, an inner diameter of the inlet of the traction member (the inner end of the larger diameter of the lock traction hole), the lock bolt 600 The other end of the diameter is matched to the smaller inner diameter of the locking traction hole 106 such that the locking bolt 600 is completely matched to the locking traction hole 106; in the present embodiment, the locking bolt 600 comprises a cylindrical shape. a first fixing portion 601 and a second cylindrical fixing portion 602.
  • the first fixing portion 601 is located at an end of the second fixing portion 602, and the other end portion of the second fixing portion 602 has a nut 603.
  • the first fixing portion 601 has a cylindrical protrusion (ie, a locking protrusion), the outer wall of the second fixing portion 602 has a thread, and the diameter of the first fixing portion 601 (the protrusion) is smaller than the second fixing portion.
  • the diameter of the second fixing portion 602 of the locking bolt 600 is matched with the inner diameter of the side of the locking traction hole 106 near the surface of the main body portion 100, and the diameter of the first fixing portion 601 is matched with the locking traction hole 106 near the main groove.
  • Two different inner diameter passages in the inner side of the traction hole 106 ie, the smaller diameter inner diameter of the locking traction hole 106 near the main groove 101 is closer to the wall of the larger inner diameter hole on the surface side of the main body 100 than the locking traction hole 106)
  • the end of the first fixing portion 601 of the locking bolt 600 protrudes from the side wall of the main groove 101.
  • the embodiment further includes a pulling bolt 700.
  • the diameter of the pulling bolt 700 matches the inner diameter of the side of the locking traction hole 106 near the surface of the main body portion 100, that is, The diameter of the draw pin 700 (single stage peg) is larger than the smaller inner diameter of the lock release hole 106 (the inner diameter of the lock release hole 106 near the side of the main groove 101).
  • the draw pin 700 is mated to the lock release aperture 106.
  • the use of the traction bolt 700 is as follows: the traction bolt 700 is passed through the locking traction hole 106 of the main body portion 100.
  • the locking traction hole 106 has a cylindrical hole.
  • the inner wall of the lock traction hole 106 has a thread.
  • the structure of the traction bolt 800a and the locking bolt 800b that match the locking traction hole 106 at this time is as follows, and is specifically described as follows:
  • the traction bolt 800a has a screwing portion 801a, a resisting portion 802a, and a bolt cap 803a.
  • the screwing portion 801a and the resisting portion 802a are columnar, and the radial cross sections thereof are both Round.
  • One end of the screw portion 801a is connected to one end of the abutting portion 802a.
  • the central axis of the screwing portion 801a is on the same line as the central axis of the abutting portion 802a.
  • the cap 803a is coupled to the other end of the abutting portion 802a.
  • the outer diameter of the cap 803a is larger than the outer diameter of the abutting portion 802a.
  • the outer diameter of the screw portion 801a is smaller than the outer diameter of the resist portion 802a.
  • the outer diameter of the screw portion 801a is matched to the inner diameter of the lock traction hole 106.
  • the outer diameter of the abutting portion 802a is larger than the inner diameter of the locking traction hole 106.
  • the length of the screw portion 801a is not greater than the length of the lock traction hole 106.
  • the screwing portion 801a When the locking bolt 800a is inserted into the locking traction hole 106, the screwing portion 801a is screwed with the locking traction hole 106, and when the resisting portion 802a abuts against the outer surface of the main body portion 100, the screwing portion 801a does not exceed the locking Outside the traction hole 106, it does not enter the main groove 101.
  • the abutting portion 802a of the traction pin 800a can be used to hook the traction wire.
  • the locking bolt 800b has a screwing portion 801b, a resisting portion 802b, and a bolt cap 803b.
  • the screwing portion 801b and the resisting portion 802b are both column-shaped, and the radial cross sections thereof. They are all round.
  • One end of the screw portion 801b is connected to one end of the abutting portion 802b.
  • the central axis of the screwing portion 801b is on the same line as the central axis of the abutting portion 802b.
  • the cap 803b is coupled to the other end of the abutting portion 802b.
  • the outer diameter of the cap 803b is larger than the outer diameter of the abutting portion 802b.
  • the outer diameter of the screw portion 801b is smaller than the outer diameter of the resist portion 802b.
  • the outer diameter of the screw portion 801b matches the inner diameter of the lock traction hole 106.
  • the outer diameter of the abutting portion 802b is larger than the inner diameter of the locking traction hole 106.
  • the length of the screw portion 801b is greater than the length of the lock traction hole 106, but smaller than the sum of the length of the lock traction hole 106 and the width of the main groove 101.
  • the screwing portion 801b When the resisting portion 802b abuts against the outer surface of the main body portion 100, the screwing portion 801b extends beyond the locking traction hole. 106, entering the main slot 101.
  • the abutting portion 802b of the locking bolt 800b can be used to hook the pulling wire. Further, the outer diameter of the screw portion 801b and the outer diameter of the abutting portion 802b may be equal.
  • the cover portion 200 has a bottom surface and a surface, and a bottom surface of the cover portion 200 matches a surface of the second end portion 103 of the main body portion 100.
  • the cover portion 200 The surface is rounded and has an ellipsoidal shape matching the surface of the first end portion 102 of the main body portion 100;
  • the main body portion 100 and the lid portion 200 are connected by the connecting portion 300.
  • the archwire 900 passes through the main channel 101 of the surface of the body portion 100.
  • the first end portion 102 of the main body portion 100 has a first recess 104 facing the side of the second end portion 103.
  • the slot size of the first recess 104 is smaller than the inner dimension of the slot, and the first recess 104 is along the side.
  • the cross section in the direction of the main groove 101 is semicircular.
  • the cover portion 200 has a second recess 201 facing the side of the first recess 104 of the main body portion 100, and the second recess 201 has a notch size smaller than the inner dimension of the slot.
  • the connecting portion 300 has a first connecting side 301 and a second connecting side 302.
  • the first connecting side 301 is matched with the first groove 104
  • the second connecting side is 302 is matched to the second groove 201.
  • the second groove 201 has a rectangular cross section in the direction of the main groove 101, and one of the edges of the second groove 201 has a protruding edge extending toward the other edge direction; the connecting portion 300
  • the first connecting side 301 has a semi-cylindrical shape matching the first recess 104 of the semi-circular cross section.
  • the second connecting side 302 has an L shape that matches the second groove 201 , and the first connecting side 301 is located at one end of the second connecting side 302 .
  • the surface of the second end portion 103 of the main body portion 100 is connected with a protruding portion 105.
  • the size of the top portion of the protruding portion 105 is larger than the size of the bottom portion thereof, and the top sides of the protruding portion 105 protrude from both sides such that the protruding portion
  • the portion 105 has a T-shape; the cover portion 200 has a groove portion 202 facing the side of the first end portion 102, and the groove portion 202 has a side surface facing the first end portion 102 and a cover portion Two openings of the bottom surface 200, the groove portion 202 is T-shaped toward the opening on the side of the first end portion 102, and the groove portion 202 is located at an opening on the side facing the first end portion 102 The size is matched to the projection 105.
  • a bottom plate 400 is further included, the bottom plate 400 is connected to the bottom surface of the main body portion 100, and the bottom portion of the bottom plate 400 has an adhesion layer.
  • the bottom surface of the main body portion 100 has a concave portion facing one side edge of the bottom plate 400, and the concave portion forms a ligating groove 500 with the bottom plate 400; the number of the ligating grooves 500 has at least two, and each ligation
  • the grooves 500 are evenly distributed on the side of the main body portion 100 facing the side of the bottom plate 400, and the outer edges of the concave portions each have a projection toward the bottom plate 400 to form a protective wing.
  • the top portion of the cover portion 200 in the present embodiment has a concave portion 203 having a 1/4 sphere toward the edge of the main body portion 100, and the second concave portion 203 is matched with the finger for opening and closing.
  • the cover portion 200 and the main body portion 100 has a concave portion 203 having a 1/4 sphere toward the edge of the main body portion 100, and the second concave portion 203 is matched with the finger for opening and closing.
  • the orthodontic correction method involved in the orthodontic correction system of the present invention includes the following steps:
  • a set of traction brackets of different sizes are selected according to the width of the tooth body, and the traction bracket body of the orthodontic correction system is selected.
  • the portion 100 is fixed to the surface of the tooth to be corrected by the adhesion layer on the bottom surface of the bottom plate 400, and the archwire 900 of the orthodontic correction system is passed through the main groove 101 on the main body portion 100 of the traction bracket to cover the cover portion.
  • 200 is matched to the body portion 100 covering the traction bracket;
  • the locking bolt 600 of the traction member When it is necessary to fix the teeth, that is, when a certain tooth does not need to be moved, the locking bolt 600 of the traction member is inserted into the locking hole through the locking traction hole 106, as shown in Figures 21, 22 and 23, and tightened to make the traction member
  • the locking projection at the end of the locking bolt 600 is in close contact with the archwire 900 in the main groove, so as to achieve the locking of the archwire 900 to achieve the fixation of the tooth.
  • the archwire 900 is completely brought into contact with the inner wall of the main groove 101 of the bracket by the locking bolt 600, and the clearance angle of the archwire 900 and the main groove 101 is removed, so that the preset torque angle of the main groove 101 can be preset.
  • the roots of the teeth will be more precise.
  • the teeth corresponding to the locking brackets do not move relative to the archwire 900.
  • the locked ie, the teeth that have been fixed
  • the traction bolt 700 of the traction component When a tooth movement is required, the traction bolt 700 of the traction component is inserted into the locking traction hole, and the traction bolt 700 cannot reach the locking hole, and the traction bolt 700 on the tooth and the traction component on the other tooth.
  • the traction bolts 700 are connected by elastic members (drawing wires), and the traction brackets (tracting bolts 700) on the teeth that need to be laterally corrected are fixedly connected by the elastic members (drawing wires), and the tensile deformation of the traction wires is performed. Resilience effect to achieve tooth movement correction;
  • the archwire 900 is secured to the ligating slot 500 of the traction bracket by the ligature wire such that the connection between the traction bracket and the archwire 900 is more secure.
  • the square archwire 900 usually used will be smaller than the main groove of the bracket, and the archwire 900 will have a clearance angle of 10-24° with the groove of the main groove of the bracket.
  • the wire 900 does not fully express the torque angle of the main groove of the bracket. Therefore, while the locking bolt is used in the embodiment, the front end of the locking bolt enters the main groove 101 and is in close contact with the archwire 900, so that the archwire 900 is completely in contact with the main groove wall of the bracket, so that the archwire can be completely removed.
  • the clearance angle of the 900 bracket groove makes the preset torque angle of the groove can be expressed at a full angle, and the root of the tooth will be more precise.
  • the traction bracket according to the present invention has a cooperation with the main body portion, the cover portion and the connecting portion, and the first end portion of the main body portion has a stop
  • the lock traction hole has one end open to the surface of the main body portion and the other end open in the main groove direction of the main body portion.
  • the design of the locking traction hole enables the traction brackets on the surfaces of the two adjacent or adjacent teeth to force the two locking bolts under the tension of the pulling wire, and one of the traction brackets and the bow is used when in use.
  • the wire is fixed, and the traction bracket on the surface of the tooth to be adjusted is not fixed between the archwire, so that the traction bracket on the tooth surface to be adjusted is oriented slowly toward the other traction bracket by the action of the traction wire. Stretching can be adjusted in this direction.
  • the inner wall of the locking traction hole has a thread
  • the inner diameter of the locking traction hole near one end of the main groove is smaller than the inner diameter of one end of the surface near the main body portion
  • the cylindrical traction member has a cylindrical shape.
  • the locking bolt is adapted to match the locking traction aperture. After the traction bolt (single-stage peg) is screwed into the locking traction hole, it can only function as a traction hook to help the bracket slide along the archwire. After the locking bolt (two-stage peg) is screwed into the locking traction hole, the tip end of the stud can enter the main groove of the bracket through the locking hole, and is in contact with the archwire in the groove during the working state. The frictional force of the extrusion is such that the archwire cannot slide in the bracket and achieve the function of stopping.
  • the traction bracket according to the present invention through the cooperation of the main body portion, the cover portion and the connecting portion, in particular, the dimension of the main body portion in the direction of the main groove is larger than the main groove in the transverse plane of the main body portion (lateral direction)
  • the dimension in the groove direction is such that the traction bracket forms an ellipsoidal shape in the direction of the main groove, or the dimension of the main body portion in the direction of the main groove is smaller than the plane of the main body (lateral direction) perpendicular to the main groove
  • the dimension in the direction is such that the traction bracket forms an ellipsoidal shape along the short axis direction of the main groove.
  • the surface of the cover portion and the surface of the first end portion of the main body portion are ellipsoid-like, so that the length of the main groove is increased or decreased, the transverse diameter is increased or decreased, and the bracket is added to the archwire.
  • the length is controlled, which increases the control of the dental shaft.
  • the elliptical ball-like design effectively reduces the surface height of the traction bracket, and the comfort is increased, so that the patient can reduce the discomfort in the oral cavity when in use.
  • the first end of the main body portion has a first groove toward a side surface of the second end portion, and the notch size of the first groove is smaller than the inner size of the groove, and the cover portion is a side surface of the first groove facing the main body portion has a second groove, the second groove has a notch size smaller than an inner dimension of the groove;
  • the connecting portion has a first connecting side and a second connecting side, the first The connecting side is matched to the first groove, and the second connecting side is matched to the second groove.
  • the first groove has a semicircular cross section along the main groove direction
  • the second groove has a rectangular cross section along the main groove direction.
  • One of the edges of the second groove slot has a protruding edge extending toward the other edge direction; the first connection side of the connection portion is matched to the first groove, and the second connection side is matched to the second groove L shape.
  • the shape of the two grooves is obviously different between the two ends, and it is easy to be installed in one position at the time of installation, thereby avoiding the phenomenon of reverse mounting of the connecting portion.
  • the surface of the second end portion of the main body portion is connected with a T-shaped convex portion
  • the cover body portion has a T-shaped groove portion facing the side surface of the first end portion, the concave portion
  • the groove portion is matched to the protruding portion, and the convex portion and the groove portion are designed such that the cooperation between the cover portion and the main body portion is more tight, and the cover portion is not easily moved or dropped. During use, the movement of the cover portion is avoided, which affects the user's feeling.
  • the invention relates to a traction bracket, and the design of the ligating groove is ligated in the ligating groove, which is more conducive to the cooperation between the entire traction bracket and the archwire.
  • the design of the protective wing is mainly to prevent dislocation and displacement of the ligature wire ligated in the ligating groove.
  • the first end portion of the main body portion further includes a locking traction hole, the locking traction hole opening at one end of the first end portion of the main body portion, and the other end opening at the The first end portion of the main body portion faces the side surface of the lid portion.
  • Locking traction hole The design makes the disassembly of the traction bracket more secure.
  • the arch wire size used is usually smaller than the size of the main groove of the bracket, the arch wire will have a clearance angle of 10-24° with the main groove wall of the bracket, so that the arch wire cannot fully express the main groove of the bracket. Torque angle. Therefore, the front end of the locking bolt needs to be in close contact with the main groove, so that the arch wire is completely in contact with the groove of the main groove of the bracket, so that the clearance angle of the groove of the arched bracket can be completely removed, so that the groove is preset. The moment of the corner can be expressed at a full angle, and the roots of the teeth will be more precise.
  • the traction component of the traction bracket of the invention is convenient to install, in addition to assisting the sliding of the bracket, the bracket (the locking bolt) can be replaced to complete the bracket and the archwire, and the corresponding correcting effect is achieved.
  • the orthodontic correction method of the invention is simple and convenient to operate, and the device is simple in production, low in cost, simple in manual operation, saves time and manpower, and is safe in use.

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Abstract

一种牵引托槽与正畸矫正系统及矫正方法，牵引托槽包括牵引部件、主体部（100）、盖体部（200）及连接部（300），主体部（100）的表面具有主槽沟（101），主体部（100）上具有止锁牵引孔（106），止锁牵引孔（106）一端开口于主体部（100）的表面形成圆柱形牵引部件入口，另一端开口于主体部（100）的主槽沟（101）形成止锁孔，牵引部件匹配连接于止锁牵引孔（106），主体部（100）与盖体部（200）之间通过连接部（300）连接，盖体部（200）的底面与主体部（100）的表面相匹配且将主槽沟（101）覆盖。牵引部件安装方便，并配备了两种规格的螺丝附件，即牵引栓（700、800a）和止锁栓（600、800b）。牵引栓（700、800a）可以协助托槽的滑动，更换止锁栓（600、800b）后可使托槽与弓丝（900）止动，增强支抗，并达到去除弓丝（900）与槽沟的余隙，达到转托槽转矩精准表达的矫正效果。

Description

牵引托槽与正畸矫正系统及其矫正方法 技术领域
本发明涉及固定矫治技术及牙齿的矫正领域，特别是涉及一种牵引托槽与正畸矫正系统及其矫正方法。
背景技术
托槽(bracket)是固定矫治技术的重要部件，是矫正牙齿排列畸形用的矫治器。用粘接剂直接粘接于牙冠表面，弓丝通过托槽而对牙施以各种类型的矫治力，达到正畸矫治的目的。目前全球所用托槽结扎翼、主槽沟、底板均为一体的，矫正用的弓丝固定在主槽沟里，牙齿和托槽为一个整体沿着弓丝滑动。目前的托槽的牵引钩大多是直接焊接在托槽主体上的，无法拆卸，突出的牵引钩容易划伤口腔粘膜。所以为了患者的舒适，在需要使用牵引钩时才安装上去，不使用时再拆下来，另外在临床正畸治疗的过程中，通常使用的方形弓丝尺寸会小于托槽主槽沟的尺寸，弓丝会与托槽主槽沟壁产生10-24°的余隙角度，这样弓丝不能完全表达出托槽主槽沟的转矩角。
发明内容
基于此，有必要提供一种牵引部件安装方便，除了可以协助托槽的滑动外，还可以更换牵引栓(止锁栓)后完成托槽与弓丝的止动，并达到相应的矫正效果的牵引托槽。
一种牵引托槽，包括连接部、圆柱形牵引部件，及
主体部，所述主体部具有表面及底面，所述主体部的表面具有主槽沟，所述主体部上具有止锁牵引孔，所述止锁牵引孔一端开口于所述主体部的表面形成圆柱形牵引部件入口，另一端开口于所述主体部的主槽沟形成止锁孔，所述牵引部件匹配连接于所述止锁牵引孔；
盖体部，所述盖体部具有底面及表面，所述主体部与所述盖体部之间通过所述连接部连接，所述盖体部的底面与所述主体部的表面相匹配且将所述主槽沟覆盖。
在其中一个实施例中，所述盖体部的表面与主体部的表面匹配呈圆滑曲面状。
在其中一个实施例中，所述止锁牵引孔内壁具有螺纹，所述止锁牵引孔靠近主槽沟一端的止锁孔的内径较靠近主体部的表面一端的牵引部件入口的内径小，圆柱形牵引部件具有圆柱形的牵引栓及圆柱形的止锁栓，所述牵引栓及止锁栓的外壁均具有螺纹，所述牵引栓的直径匹配于所述止锁孔的内径，所述止锁栓直径匹配于所述牵引部件入口的内径，所述止锁栓的一端有止锁突，止锁突匹配嵌设于所述止锁孔内，使得所述止锁栓匹配于所述止锁牵引孔。
在其中一个实施例中，所述主槽沟将所述主体部的表面分为第一端部及第二端部，所述第一端部上具有所述止锁牵引孔，所述主体部第一端部相对于第二端部突出，所述主体部第一端部的表面呈圆滑曲面状；
所述盖体部的底面与所述主体部第二端部的表面相匹配，所述盖体部的表面呈圆滑曲面状，且与主体部第一端部的表面匹配呈类椭球状。
在其中一个实施例中，所述主体部的第一端部朝向第二端部的侧面具有第一凹槽，所述第一凹槽的槽口尺寸小于槽内部尺寸，所述盖体部朝向主体部的第一凹槽的侧面具有第二凹槽，所述第二凹槽 的槽口尺寸小于槽内部尺寸；
所述连接部具有第一连接侧及第二连接侧，所述第一连接侧匹配于所述第一凹槽，所述第二连接侧匹配于所述第二凹槽。
在其中一个实施例中，所述第一凹槽沿所述主槽沟方向上的截面呈半圆形，所述第二凹槽沿所述主槽沟方向上的截面呈矩形，所述第二凹槽槽口的其中一个边缘具有朝向另一个边缘方向延伸的突出边；
所述连接部的第一连接侧呈匹配于半圆形截面第一凹槽的半圆柱形，所述第二连接侧呈匹配于第二凹槽的L形，所述第一连接侧位于所述第二连接侧的一端部。
在其中一个实施例中，所述主体部第一端部止锁牵引孔内壁具有螺纹，所述止锁牵引孔靠近主槽沟一端与较靠近主体部的表面一端的牵引部件入口的内径一致，所述圆柱形牵引部件具有止锁栓和牵引栓，所述止锁栓和牵引栓具有旋接部、抵挡部以及栓帽，所述旋接部以及所述抵挡部均呈柱状，两者的径向截面均呈圆形；所述旋接部的一端与所述抵挡部的一端连接；所述栓帽连接在所述抵挡部的另一端；所述栓帽的外径大于所述抵挡部的外径；
所述旋接部的外径小于所述抵挡部的外径，所述旋接部的外径匹配于所述止锁牵引孔的内径，所述抵挡部的外径大于所述止锁牵引孔的内径。牵引栓的旋接部长度小于或等于止锁孔的长度，旋接部的前端不能旋进入主槽沟，止锁栓的旋接部长度大于止锁孔的长度，旋接部的前端可以旋进入主槽沟，与主槽沟内的弓丝固定连接。
本发明的另一目的在于提供一种正畸矫正系统。
一种正畸矫正系统，包括弓丝及弹性部件，还包括至少两个所述的牵引托槽，所述弓丝穿过主体部的表面的主槽沟，通过所述弹性部件连接于两个牵引托槽上的牵引部件。
本发明的另一目的在于提供正一种正畸矫正方法。
一种正畸矫正方法，包括如下步骤：
根据患者牙齿的排列构造，将正畸矫正系统的牵引托槽主体部通过粘连固定于需要矫正的牙齿表面，将正畸矫正系统的弓丝穿过所述牵引托槽的主槽沟；
当需要牙齿移动时，将牵引部件插入止锁牵引孔内固定，与其它牙齿上的牵引部件通过弹性部件相连，通过弹性部件将需要近远中矫正的牙齿上的牵引托槽牵引部件固定连接，通过牵引丝的拉伸作用实现牙齿移动矫正；
当需要固定牙齿时，将牵引部件通过止锁牵引孔插入并通过止锁孔，使牵引部件的端部与主槽沟内的弓丝紧密相接，实现弓丝止锁，止锁固定的牙齿作为支抗，通过牵引部件牵引其它的牵引托槽的移动带动对应的牙齿移动矫正，在所有牙齿移动完成后，并通过止锁栓让弓丝与主槽沟的内壁完全接触，去除弓与主槽沟的余隙角，使所有牙齿呈现主槽沟预设的转矩角。
本发明涉及的牵引托槽，通过主体部、盖体部及连接部的配合，所述主体部的第一端部上具有止锁牵引孔，所述止锁牵引孔一端开口于所述主体部的表面，另一端开口于所述主体部的主槽沟方向。止锁牵引孔的设计使得相隔或者相邻的两个牙齿表面上的牵引托槽能够在牵引丝的拉伸作用下使得两个牵引部件受力，使用时，将其中一个牵引托槽与弓丝固定住，另一个需要调整的牙齿表面上的牵引托槽与弓丝之间不固定，这样可以通过牵引丝的作用将需要调整的牙齿表面上的牵引托槽朝向另一个牵引托槽方向缓慢拉伸，可以实现朝此方向调整。
本发明涉及的牵引托槽，所述止锁牵引孔内壁具有螺纹，所述止锁牵引孔靠近主槽沟一端的内径较靠近主体部的表面一端的内径小，圆柱形牵引部件具有圆柱形的牵引栓及圆柱形的止锁栓，所述牵引栓及止锁栓的外壁均具有螺纹，所述牵引栓(单级的栓钉)匹配于所述止锁牵引孔靠近的止锁孔一端，所述止锁栓(双级的栓钉)的一端直径匹配于所述止锁牵引孔较大的内径，所述止锁栓的另一端直径匹配于所述止锁牵引孔较小的内径，使得所述止锁栓匹配于所述止锁牵引孔。所述牵引栓(单级的栓钉)旋入止锁牵引孔后，只能起到牵引钩的作用，帮助托槽沿弓丝滑动。而所述止锁栓(双级的栓钉)旋入止锁牵引孔后，其栓钉尖端可通过止锁孔进入托槽主槽沟，在工作状态时与槽沟内弓丝相接触，挤压的摩擦力达到让弓丝在托槽内不能滑动，达到止动的作用。
本发明涉及的牵引托槽，通过主体部、盖体部及连接部的配合，尤其是，通过主体部沿主槽沟方向上的尺寸大于在主体部横向平面内(横向方向)垂直于主槽沟方向上的尺寸，使得牵引托槽形成沿主槽沟方向上的类椭球形，或者，通过主体部沿主槽沟方向上的尺寸小于在主体部平面内(横向方向)垂直于主槽沟方向上的尺寸，使得牵引托槽形成沿主槽沟的短轴(也即垂直于主槽沟的方向)方向上的类椭球形。所述盖体部的表面且与主体部第一端部的表面匹配呈类椭球状，使得主槽沟的长度增大或减少，加大或减少了横径，增加了托槽对弓丝的控制长度，从而增加了对牙轴的控制。另外，类椭圆球状的设计有效的降低了牵引托槽的表面高度，舒适度增加，使得患者在使用时，减少口腔中的不适感。
本发明涉及的牵引托槽，所述主体部的第一端部朝向第二端部的侧面具有第一凹槽，所述第一凹槽的槽口尺寸小于槽内部尺寸，所述盖体部朝向主体部的第一凹槽的侧面具有第二凹槽，所述第二凹槽的槽口尺寸小于槽内部尺寸；所述连接部具有第一连接侧及第二连接侧，所述第一连接侧匹配于所述第一凹槽，所述第二连接侧匹配于所述第二凹槽。通过第一凹槽、第二凹槽及连接部具有第一连接侧及第二连接侧的配合，能够牢固地将主体部与盖体部固定连接。且安装、拆卸方便。
本发明涉及的牵引托槽，所述第一凹槽沿所述主槽沟方向上的截面呈半圆形，所述第二凹槽沿所述主槽沟方向上的截面呈矩形，所述第二凹槽槽口的其中一个边缘具有朝向另一个边缘方向延伸的突出边；所述连接部的第一连接侧匹配于第一凹槽，所述第二连接侧呈匹配于第二凹槽的L形。两个端部就两个凹槽的形状差别明显，在安装时，易于一次性地安装到位，避免出现连接部的反装等现象。
本发明涉及的牵引托槽，所述主体部第二端部的表面连接有T字形凸出部，所述盖体部朝向所述第一端部的侧面具有T字形凹槽部，所述凹槽部匹配于所述凸出部，凸出部与所述凹槽部的设计，使得盖体部与所述主体部之间的配合更加地紧密，盖体部不易于移动或者掉落，在使用过程中，避免出现盖体部的移动，影响使用者的感受。
本发明涉及的牵引托槽，结扎槽的设计放便结扎丝结扎在所述结扎槽内，更有助于整个牵引托槽与弓丝之间的配合。保护翼的设计主要是为了防止结扎在结扎槽内的结扎丝脱位、移位。
本发明涉及的正畸矫正方法，操作简便，所述设备生产简单，成本低，人工操作简便，节省时间及人力，且在使用过程中，较安全。
附图说明
图1为本发明实施例牵引托槽的主体部与底板主视图；
图2为本发明实施例牵引托槽的主体部与底板俯视图；
图3-6为本发明实施例牵引托槽的主体部与底板侧视图；
图7为本发明实施例牵引托槽的盖体部主视图；
图8为本发明实施例牵引托槽的盖体部俯视图；
图9、10为本发明实施例牵引托槽的盖体部侧视图；
图11为本发明实施例牵引托槽的连接部主视图；
图12为本发明实施例牵引托槽的连接部侧视图；
图13为本发明实施例牵引托槽主视图；
图14、15为本发明实施例牵引托槽侧视图；
图16为本发明实施例止锁栓主视图；
图17为本发明实施例止锁栓俯视图；
图18为本发明实施例止锁栓侧视图；
图19为本发明实施例牵引栓侧视图；
图20为本发明实施例牵引栓主视图；
图21为本发明实施例牵引托槽与止锁栓配合后主视图；
图22为本发明实施例牵引托槽与止锁栓配合后侧面剖视图；
图23为本发明实施例牵引托槽与牵引栓配合后侧面剖视图；
图24为本发明另一实施例牵引栓示意图；
图25为本发明另一实施例止锁栓示意图；
图26为本发明实施例牵引托槽与牵引栓配合后侧面剖视图；
图27为本发明实施例牵引托槽与止锁栓配合后侧面剖视图。
附图标记说明
100、主体部；101、主槽沟；102、第一端部；103、第二端部；104、第一凹槽；105、凸出部；106、止锁牵引孔；200、盖体部；201、第二凹槽；202、凹槽部；203、凹入部；300、连接部；301、第一连接侧；302、第二连接侧；400、底板；500、结扎槽；600、止锁栓；601、第一固定部；602、第二固定部；603、螺帽；700、牵引栓；800a、牵引栓；800b、止锁栓；801a、801b、旋接部；802a、802b、抵挡部；803a、803b、栓帽；900、弓丝。
具体实施方式
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施例。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本发明的公开内容的理解更加透彻全面。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。本文所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组 合。
本实施例提供了一种正畸矫正系统，包括弓丝900、弹性部件(本实施例才采用牵引丝，附图未示出)，还包括牵引托槽。
所述牵引托槽，参见图13-图15所示，包括牵引部件、主体部100、盖体部200及连接部300，牵引部件呈圆柱形。
参见图1-图6所示，所述主体部100具有表面及底面，所述主体部100的表面具有主槽沟101，所述主槽沟101将所述主体部100的表面分为第一端部102及第二端部103，所述主体部100沿主槽沟101方向上的尺寸大于在主体部横向平面内垂直于主槽沟101方向上的尺寸，或者所述主体部100沿主槽沟101方向上的尺寸小于在主体部横向平面内垂直于主槽沟101方向上的尺寸，所述主体部100沿主槽沟101方向上的尺寸根据牙体宽度的不同，使用不同的尺寸设计，本实施例图为其中一种尺寸的牵引托槽。所述主体部100第一端部102相对于第二端部103突出，所述主体部100第一端部102的表面呈圆滑曲面状；
所述主体部的第一端部上具有止锁牵引孔106，所述止锁牵引孔106一端开口于所述主体部100的表面形成圆柱形牵引部件入口，另一端开口于所述主体部100的主槽沟101形成止锁孔。
进一步地，参见图16-18所示，所述止锁牵引孔106内壁具有螺纹，所述止锁牵引孔106靠近主槽沟101一端形成的止锁孔，靠近主体部100的表面一端形成牵引部件入口。所述止锁牵引孔106靠近主槽沟101一端的止锁孔的内径较靠近主体部100的表面一端的牵引部件入口的内径小。
圆柱形牵引部件具有圆柱形的止锁栓600，所述止锁栓600匹配于所述止锁牵引孔106，所述牵引栓700及止锁栓600的外壁均具有螺纹，所述止锁栓600(双级的栓钉)的一端直径匹配于所述止锁牵引孔106较大的内径即所述牵引部件入口的内径(止锁牵引孔较大的内径一端)，所述止锁栓600的另一端直径匹配于所述止锁牵引孔106较小的内径，使得所述止锁栓600完全匹配于所述止锁牵引孔106；在本实施例中所述止锁栓600包括圆柱形的第一固定部601及圆柱形的第二固定部602，所述第一固定部601位于所述第二固定部602的端部，第二固定部602的另一端部具有螺帽603，所述第一固定部601呈圆柱形凸起(即止锁突)，所述第二固定部602的外壁具有螺纹，所述第一固定部601(凸起)的直径小于所述第二固定部602的直径。
所述止锁栓600的第二固定部602的直径匹配于止锁牵引孔106靠近主体部100表面的一侧的内径，第一固定部601的直径匹配于止锁牵引孔106靠近主槽沟101一侧的内径。所述止锁栓600与所述止锁牵引孔106匹配连接时，所述止锁栓600的第二固定部602位于止锁牵引孔106靠近主体部100表面的一侧，第一固定部601匹配于止锁牵引孔106靠近主槽沟101一侧，当止锁栓600完全匹配连接于止锁牵引孔106时，止锁栓600的第二固定部602的端部紧紧抵住止锁牵引孔106内部两个不同内径的通道过渡处(即止锁牵引孔106靠近主槽沟101较小内径的孔道较止锁牵引孔106靠近主体部100表面一侧较大内径孔道突出的壁)，止锁栓600的第一固定部601的端部相对主槽沟101的侧壁突出。
进一步地，参见图19-图20所示，本实施例还包括牵引栓700，所述牵引栓700的直径匹配于止锁牵引孔106靠近主体部100表面的一侧的内径，也即，所述牵引栓700(单级的栓钉)的直径大于所述止锁牵引孔106较小的内径(止锁牵引孔106靠近主槽沟101一侧的内径)。牵引栓700匹配于所述止锁牵引孔106。牵引栓700的使用如下：将牵引栓700通过主体部100的止锁牵引孔106并通 过止锁孔旋进主体部100，由于700直径大于止锁牵引孔106靠近主槽沟101一侧的内径，所以牵引栓700的端部不能旋进主槽沟101内，与主槽沟的弓丝900不能接触，所以不影响弓丝900在主槽沟内的滑动。
在本实施例中，所述止锁牵引孔106呈圆柱形孔。所述止锁牵引孔106内壁具有螺纹。而此时与止锁牵引孔106匹配的牵引栓800a、止锁栓800b的结构如下，具体阐述如下：
参见图24及26图所示，牵引栓800a：牵引栓800a具有旋接部801a、抵挡部802a以及栓帽803a，旋接部801a以及抵挡部802a均呈柱状，两者的径向截面均呈圆形。旋接部801a的一端与抵挡部802a的一端连接。旋接部801a的中轴线与抵挡部802a的中轴线位于同一直线上。栓帽803a连接在抵挡部802a的另一端。栓帽803a的外径大于抵挡部802a的外径。
旋接部801a的外径小于抵挡部802a的外径。旋接部801a的外径匹配于止锁牵引孔106的内径。抵挡部802a的外径大于止锁牵引孔106的内径。旋接部801a的长度不大于止锁牵引孔106的长度。当止锁栓800a插入止锁牵引孔106内时，旋接部801a与止锁牵引孔106旋接，当抵挡部802a抵挡至主体部100的外表面时，旋接部801a不会超出止锁牵引孔106外，不会进入主槽沟101内。牵引栓800a的抵挡部802a可以用于钩挂牵引丝。
参见图25及图27所示，止锁栓800b：止锁栓800b具有旋接部801b、抵挡部802b以及栓帽803b，旋接部801b以及抵挡部802b均呈柱状，两者的径向截面均呈圆形。旋接部801b的一端与抵挡部802b的一端连接。旋接部801b的中轴线与抵挡部802b的中轴线位于同一直线上。栓帽803b连接在抵挡部802b的另一端。栓帽803b的外径大于抵挡部802b的外径。
旋接部801b的外径小于抵挡部802b的外径。旋接部801b的外径匹配于止锁牵引孔106的内径。抵挡部802b的外径大于止锁牵引孔106的内径。旋接部801b的长度大于止锁牵引孔106的长度，但是小于止锁牵引孔106的长度与主槽沟101的宽度之和。当止锁栓800b插入止锁牵引孔106内时，旋接部801b与止锁牵引孔106旋接，当抵挡部802b抵挡至主体部100的外表面时，旋接部801b超出止锁牵引孔106，进入主槽沟101内。止锁栓800b的抵挡部802b可以用于钩挂牵引丝。另外，旋接部801b的外径与抵挡部802b的外径可以相等。
参见图7-图10所示，所述盖体部200具有底面及表面，所述盖体部200的底面与所述主体部100第二端部103的表面相匹配，所述盖体部200的表面呈圆滑曲面状，且与主体部100第一端部102的表面匹配呈类椭球状；
所述主体部100与所述盖体部200之间通过所述连接部300连接。在使用时，所述弓丝900穿过所述主体部100的表面的主槽沟101。
所述主体部100的第一端部102朝向第二端部103的侧面具有第一凹槽104，所述第一凹槽104的槽口尺寸小于槽内部尺寸，所述第一凹槽104沿所述主槽沟101方向上的截面呈半圆形。
所述盖体部200朝向主体部100的第一凹槽104的侧面具有第二凹槽201，所述第二凹槽201的槽口尺寸小于槽内部尺寸。
参见图11、图12所示，所述连接部300具有第一连接侧301及第二连接侧302，所述第一连接侧301匹配于所述第一凹槽104，所述第二连接侧302匹配于所述第二凹槽201。所述第二凹槽201沿所述主槽沟101方向上的截面呈矩形，所述第二凹槽201槽口的其中一个边缘具有朝向另一个边缘方向延伸的突出边；所述连接部300的第一连接侧301呈匹配于半圆形截面第一凹槽104的半圆柱形， 所述第二连接侧302呈匹配于第二凹槽201的L形，所述第一连接侧301位于所述第二连接侧302的一端部。
所述主体部100第二端部103的表面连接有凸出部105，所述凸出部105顶部的尺寸大于其底部的尺寸，所述凸出部105的顶部两侧突出使得所述凸出部105呈T字形；所述盖体部200朝向所述第一端部102的侧面具有凹槽部202，所述凹槽部202具有位于朝向所述第一端部102的侧面及盖体部200底面的两个开口，所述凹槽部202朝向所述第一端部102的侧面上的开口呈T字形，所述凹槽部202位于朝向所述第一端部102的侧面上的开口尺寸匹配于所述凸出部105。
进一步地，还包括底板400，所述底板400连接于所述主体部100的底面，所述底板400的底部具有粘连层。所述主体部100的底面朝向于所述底板400的一侧边缘具有凹入部，所述凹入部与所述底板400形成结扎槽500；所述结扎槽500的数量具有至少两个，且各个结扎槽500均匀分布于所述主体部100朝向于所述底板400一侧的边缘，所述凹入部的外边缘均具有朝向所述底板400的凸起形成保护翼。
进一步地，本实施例中的盖体部200的顶部朝向主体部100的边缘具有1/4球体的凹入部203形成掀盖口，所述第二凹入部203匹配于手指用于开合所述盖体部200与所述主体部100。
本发明的涉及的正畸矫正系统在使用时涉及的正畸矫正方法，包括如下步骤：
根据患者牙齿的排列构造，根据牙体宽度不同而选择不同的尺寸(所述主体部100沿主槽沟101方向上的尺寸)的一组牵引托槽，将正畸矫正系统的牵引托槽主体部100通过底板400底面上的粘连层粘连固定于需要矫正的牙齿表面，将正畸矫正系统的弓丝900穿过所述牵引托槽的主体部100上的主槽沟101，将盖体部200匹配于覆盖于牵引托槽的主体部100；
当需要固定牙齿时即某个牙齿不需要移动时，将牵引部件的止锁栓600通过止锁牵引孔106插入止锁孔内，参见图21、22及23所示，旋紧，使牵引部件的止锁栓600端部的止锁突与主槽沟内的弓丝900紧密相接，实现止锁突对弓丝900的止锁，达到牙齿的固定的作用。同时，并通过止锁栓600让弓丝900与托槽主槽沟101的内壁完全接触，去除弓丝900与主槽沟101的余隙角，使主槽沟101预置的转矩角可以充角表达，牙齿的控根会更加精准。被止锁托槽对应的牙齿相对于弓丝900不会产生移动，另外，被止锁(即已经被固定的牙齿)可以作为固定点也即支抗，牵引其它的牙齿移动。
当需要某个牙齿移动时，将牵引部件的牵引栓700插入止锁牵引孔内固定，此时牵引栓700并不能到达止锁孔内，该牙齿上的牵引栓700与其它牙齿上的牵引部件的牵引栓700通过弹性部件(牵引丝)相连，通过弹性部件(牵引丝)将需要横向矫正的牙齿上的牵引托槽牵引部件(牵引栓700)固定连接，通过牵引丝的拉伸形变后的回复力作用实现牙齿移动矫正；
必要时，通过结扎丝将弓丝900固定于牵引托槽的结扎槽500，使得牵引托槽与弓丝900之间的连接更加地牢固。
在临床正畸治疗的过程中，通常使用的方形弓丝900尺寸会小于托槽主槽沟的尺寸，弓丝900会与托槽主槽沟壁产生10-24°的余隙角度，这样弓丝900不能完全表达出托槽主槽沟的转矩角。所以在使用本实施例中止锁栓的同时，因止锁栓的前端进入主槽沟101与弓丝900紧密接触，使得弓丝900与托槽主槽沟壁完全接触，所以可以完全去除弓丝900托槽槽沟的余隙角，使槽沟预置的转矩角可以充角表达，牙齿的控根会更加精准。
本发明涉及的牵引托槽，通过主体部、盖体部及连接部的配合，所述主体部的第一端部上具有止 锁牵引孔，所述止锁牵引孔一端开口于所述主体部的表面，另一端开口于所述主体部的主槽沟方向。止锁牵引孔的设计使得相隔或者相邻的两个牙齿表面上的牵引托槽能够在牵引丝的拉伸作用下使得两个止锁栓受力，使用时，将其中一个牵引托槽与弓丝固定住，另一个需要调整的牙齿表面上的牵引托槽与弓丝之间不固定，这样可以通过牵引丝的作用将需要调整的牙齿表面上的牵引托槽朝向另一个牵引托槽方向缓慢拉伸，可以实现朝此方向调整。
本发明涉及的牵引托槽，所述止锁牵引孔内壁具有螺纹，所述止锁牵引孔靠近主槽沟一端的内径较靠近主体部的表面一端的内径小，圆柱形牵引部件具有圆柱形的牵引栓及圆柱形的止锁栓，所述牵引栓及止锁栓的外壁均具有螺纹，所述牵引栓(单级的栓钉)匹配于所述止锁牵引孔靠近的止锁孔一端，所述止锁栓(双级的栓钉)的一端直径匹配于所述止锁牵引孔较大的内径，所述止锁栓的另一端直径匹配于所述止锁牵引孔较小的内径，使得所述止锁栓匹配于所述止锁牵引孔。所述牵引栓(单级的栓钉)旋入止锁牵引孔后，只能起到牵引钩的作用，帮助托槽沿弓丝滑动。而所述止锁栓(双级的栓钉)旋入止锁牵引孔后，其栓钉尖端可通过止锁孔进入托槽主槽沟，在工作状态时与槽沟内弓丝相接触，挤压的摩擦力达到让弓丝在托槽内不能滑动，达到止动的作用。
本发明涉及的牵引托槽，通过主体部、盖体部及连接部的配合，尤其是，通过主体部沿主槽沟方向上的尺寸大于在主体部横向平面内(横向方向)垂直于主槽沟方向上的尺寸，使得牵引托槽形成沿主槽沟方向上的类椭球形，或者，通过主体部沿主槽沟方向上的尺寸小于在主体部平面内(横向方向)垂直于主槽沟方向上的尺寸，使得牵引托槽形成沿主槽沟的短轴方向上的类椭球形。所述盖体部的表面且与主体部第一端部的表面匹配呈类椭球状，使得主槽沟的长度增大或减少，加大或减少了横径，增加了托槽对弓丝的控制长度，从而增加了对牙轴的控制。另外，类椭圆球状的设计有效的降低了牵引托槽的表面高度，舒适度增加，使得患者在使用时，减少口腔中的不适感。
本发明涉及的牵引托槽，所述主体部的第一端部朝向第二端部的侧面具有第一凹槽，所述第一凹槽的槽口尺寸小于槽内部尺寸，所述盖体部朝向主体部的第一凹槽的侧面具有第二凹槽，所述第二凹槽的槽口尺寸小于槽内部尺寸；所述连接部具有第一连接侧及第二连接侧，所述第一连接侧匹配于所述第一凹槽，所述第二连接侧匹配于所述第二凹槽。通过第一凹槽、第二凹槽及连接部具有第一连接侧及第二连接侧的配合，能够牢固地将主体部与盖体部固定连接。且安装、拆卸方便。
本发明涉及的牵引托槽，所述第一凹槽沿所述主槽沟方向上的截面呈半圆形，所述第二凹槽沿所述主槽沟方向上的截面呈矩形，所述第二凹槽槽口的其中一个边缘具有朝向另一个边缘方向延伸的突出边；所述连接部的第一连接侧匹配于第一凹槽，所述第二连接侧呈匹配于第二凹槽的L形。两个端部就两个凹槽的形状差别明显，在安装时，易于一次性地安装到位，避免出现连接部的反装等现象。
本发明涉及的牵引托槽，所述主体部第二端部的表面连接有T字形凸出部，所述盖体部朝向所述第一端部的侧面具有T字形凹槽部，所述凹槽部匹配于所述凸出部，凸出部与所述凹槽部的设计，使得盖体部与所述主体部之间的配合更加地紧密，盖体部不易于移动或者掉落，在使用过程中，避免出现盖体部的移动，影响使用者的感受。
本发明涉及的牵引托槽，结扎槽的设计放便结扎丝结扎在所述结扎槽内，更有助于整个牵引托槽与弓丝之间的配合。保护翼的设计主要是为了防止结扎在结扎槽内的结扎丝脱位、移位。
本发明涉及的牵引托槽，所述主体部的第一端部上还包括止锁牵引孔，所述止锁牵引孔一端开口于所述主体部第一端部的表面，另一端开口于所述主体部第一端部朝向盖体部的侧面。止锁牵引孔的 设计使得牵引托槽的拆卸更加的有保证，在盖体部无法正常与主体部分离时，可以通过所述止锁牵引孔插入钢管进行用力顶入，使得盖体部受力与主体部分离。
由于使用的方形弓丝尺寸通常会小于托槽主槽沟的尺寸，弓丝会与托槽主槽沟壁产生10-24°的余隙角度，这样弓丝不能完全表达出托槽主槽沟的转矩角。所以需要用止锁栓的前端与主槽沟紧密接触，使得弓丝与托槽主槽沟壁完全接触，所以可以完全去除弓丝托槽槽沟的余隙角，使槽沟预置的转矩角可以充角表达，牙齿的控根会更加精准。
本发明涉及的牵引托槽的牵引部件安装方便，除了可以协助托槽的滑动外，还可以更换牵引栓(止锁栓)后完成托槽与弓丝的止动，并达到相应的矫正效果。
本发明涉及的正畸矫正方法，操作简便，所述设备生产简单，成本低，人工操作简便，节省时间及人力，且在使用过程中，较安全。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (9)

  1. 一种牵引托槽，其特征在于，包括连接部、圆柱形牵引部件，及
    主体部，所述主体部具有表面及底面，所述主体部的表面具有主槽沟，所述主体部上具有止锁牵引孔，所述止锁牵引孔一端开口于所述主体部的表面形成圆柱形牵引部件入口，另一端开口于所述主体部的主槽沟形成止锁孔，所述牵引部件匹配连接于所述止锁牵引孔；
    盖体部，所述盖体部具有底面及表面，所述主体部与所述盖体部之间通过所述连接部连接，所述盖体部的底面与所述主体部的表面相匹配且将所述主槽沟覆盖。
  2. 根据权利要求1所述的牵引托槽，其特征在于，所述盖体部的表面与主体部的表面匹配呈圆滑曲面状。
  3. 根据权利要求2所述的牵引托槽，其特征在于，所述止锁牵引孔内壁具有螺纹，所述止锁牵引孔靠近主槽沟一端的止锁孔的内径较靠近主体部的表面一端的牵引部件入口的内径小，圆柱形牵引部件具有圆柱形的牵引栓及圆柱形的止锁栓，所述牵引栓及止锁栓的外壁均具有螺纹，所述牵引栓的直径匹配于所述止锁孔的内径，所述止锁栓直径匹配于所述牵引部件入口的内径，所述止锁栓的一端有止锁突，止锁突匹配嵌设于所述止锁孔内，使得所述止锁栓匹配于所述止锁牵引孔。
  4. 根据权利要求3所述的牵引托槽，其特征在于，所述主槽沟将所述主体部的表面分为第一端部及第二端部，所述第一端部上具有所述止锁牵引孔，所述主体部第一端部相对于第二端部突出，所述主体部第一端部的表面呈圆滑曲面状；
    所述盖体部的底面与所述主体部第二端部的表面相匹配，所述盖体部的表面呈圆滑曲面状，且与主体部第一端部的表面匹配呈类椭球状。
  5. 根据权利要求4所述的牵引托槽，其特征在于，所述主体部的第一端部朝向第二端部的侧面具有第一凹槽，所述第一凹槽的槽口尺寸小于槽内部尺寸，所述盖体部朝向主体部的第一凹槽的侧面具有第二凹槽，所述第二凹槽的槽口尺寸小于槽内部尺寸；
    所述连接部具有第一连接侧及第二连接侧，所述第一连接侧匹配于所述第一凹槽，所述第二连接侧匹配于所述第二凹槽。
  6. 根据权利要求5所述的牵引托槽，其特征在于，所述第一凹槽沿所述主槽沟方向上的截面呈半圆形，所述第二凹槽沿所述主槽沟方向上的截面呈矩形，所述第二凹槽槽口的其中一个边缘具有朝向另一个边缘方向延伸的突出边；
    所述连接部的第一连接侧呈匹配于半圆形截面第一凹槽的半圆柱形，所述第二连接侧呈匹配于第二凹槽的L形，所述第一连接侧位于所述第二连接侧的一端部。
  7. 根据权利要求1所述的牵引托槽，其特征在于，所述主体部第一端部止锁牵引孔内壁具有螺纹，所述止锁牵引孔靠近主槽沟一端与较靠近主体部的表面一端的牵引部件入口的内径一致，所述圆柱形牵引部件具有止锁栓和牵引栓，所述止锁栓和牵引栓具有旋接部、抵挡部以及栓帽，所述旋接部以及所述抵挡部均呈柱状，两者的径向截面均呈圆形；所述旋接部的一端与所述抵挡部的一端连接；所述栓帽连接在所述抵挡部的另一端；所述栓帽的外径大于所述抵挡部的外径；
    所述旋接部的外径小于所述抵挡部的外径，所述旋接部的外径匹配于所述止锁牵引孔的内径，所述抵挡部的外径大于所述止锁牵引孔的内径。牵引栓的旋接部长度小于或等于止锁孔的长度，旋接部的前端不能旋进入主槽沟，止锁栓的旋接部长度大于止锁孔的长度，旋接部的前端可以旋进入主槽沟， 与主槽沟内的弓丝固定连接。
  8. 一种正畸矫正系统，包括弓丝及弹性部件，其特性在于，还包括至少两个权利要求1-7任意一项所述的牵引托槽，所述弓丝穿过主体部的表面的主槽沟，通过所述弹性部件连接于两个牵引托槽上的牵引部件。
  9. 一种正畸矫正方法，其特征在于，包括如下步骤：
    根据患者牙齿的排列构造，将正畸矫正系统的牵引托槽主体部通过粘连固定于需要矫正的牙齿表面，将正畸矫正系统的弓丝穿过所述牵引托槽的主槽沟；
    当需要牙齿移动时，将牵引部件插入止锁牵引孔内固定，与其它牙齿上的牵引部件通过弹性部件相连，通过弹性部件将需要近远中矫正的牙齿上的牵引托槽牵引部件固定连接，通过牵引丝的拉伸作用实现牙齿移动矫正；
    当需要固定牙齿时，将牵引部件通过止锁牵引孔插入并通过止锁孔，使牵引部件的端部与主槽沟内的弓丝紧密相接，实现弓丝止锁，止锁固定的牙齿作为支抗，通过牵引部件牵引其它的牵引托槽的移动带动对应的牙齿移动矫正，在所有牙齿移动完成后，并通过止锁栓让弓丝与主槽沟的内壁完全接触，去除弓与主槽沟的余隙角，使所有牙齿呈现主槽沟预设的转矩角。
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