阅读说明：本技术 一种辅助前牙转矩控制装置 (Auxiliary front tooth torque control device ) 是由 马晓晴 项飞 钱文昊 于 2021-01-19 设计创作，主要内容包括：本发明涉及一种辅助前牙转矩控制装置,该装置包括牵引钩、前牙托槽、发条座和牵引座；每颗前牙均固定有一前牙托槽,相邻前牙托槽之间通过小圈曲连接,所述发条座和牵引座分别固定在尖牙与第二前磨牙上,发条座和牵引座之间通过方丝连接,所述第一磨牙和尖牙上均设有一牵引钩,两牵引钩之间通过橡皮链连接,本发明的辅助前牙转矩控制装置的力量衰减较小,作用力持续。(The invention relates to an auxiliary anterior tooth torque control device, which comprises a traction hook, an anterior tooth bracket, a spring seat and a traction seat, wherein the traction hook is arranged on the anterior tooth bracket; each front tooth is fixed with a front tooth bracket, adjacent front tooth bracket grooves are connected through a small circle of bent wire, the spring seat and the traction seat are respectively fixed on the cuspid and the second front molar, the spring seat and the traction seat are connected through a square wire, the first molar and the cuspid are respectively provided with a traction hook, and the two traction hooks are connected through a rubber chain.)

1. An auxiliary front tooth torque control device characterized in that: comprises a traction hook, a front tooth bracket, a spring seat and a traction seat; each front tooth is fixed with a front tooth bracket, adjacent front tooth brackets are connected through a small circle of bent wire, the spring seat and the traction seat are respectively fixed on the cuspid and the second front molar, the spring seat and the traction seat are connected through a square wire, the first molar and the cuspid are respectively provided with a traction hook, and the two traction hooks are connected through a rubber chain.

2. The auxiliary front tooth torque control device according to claim 1, characterized in that: the clockwork spring base includes clockwork spring base, pivot and clockwork spring, the clockwork spring base is fixed on the cusp, the pivot is rotated and is connected on the clockwork spring base, the clockwork spring sets up on the clockwork spring base, and one end is fixed with the clockwork spring base, and the other end is fixed with the pivot, clockwork spring base one end side is kept away from in the pivot is equipped with the square hole, square wire one end inserts the square hole.

3. The auxiliary front tooth torque control device according to claim 2, characterized in that: the traction seat comprises a traction base and a semicircular ring, the traction base is fixed on the second premolar, the semicircular ring is fixed on the traction base, and one end of the square wire far away from the spring seat is fixed on the semicircular ring.

4. The auxiliary front tooth torque control device according to claim 1, characterized in that: and a planting nail is arranged between the lateral incisor and the cuspid, and an anterior tooth bracket positioned on the lateral incisor is connected with the planting nail through Australian silks.

5. The auxiliary front tooth torque control device according to claim 4, characterized in that: the bottom of the front denture base groove positioned on the side incisor is provided with a cylindrical rod and two supporting blocks, one supporting block is provided with a flat hole, the other supporting block is provided with a through hole, the cylindrical rod is connected in the through hole in a sliding manner, the cylindrical rod penetrates through the through hole, one end of the cylindrical rod extends out of the through hole and is positioned between the two supporting blocks, one end of the Australian wire is wound with a plurality of circles of curves, and the end part of the Australian wire at the end is provided with a return fold; the reverse fold of the Australian silks is inserted into the flat hole, the circle of the Australian silks is sleeved on the cylindrical rod, and the other end of the Australian silks is fixed on the planting nail.

6. The auxiliary front tooth torque control device according to claim 1, characterized in that: the anterior dental bracket comprises a T-shaped bracket and a square bracket, the T-shaped bracket comprises a cross rod and a vertical rod, the cross rod is fixedly connected with the square bracket, the vertical rod extends towards the tooth root, and the square bracket is sleeved on the vertical rod and is stably connected with the T-shaped bracket by being embedded with the vertical rod.

7. The auxiliary front tooth torque control device according to claim 6, characterized in that: the traction hook arranged on the canine tooth is fixedly connected to the corresponding square bracket, one end of the traction hook arranged on the first molar tooth is fixedly bonded to the side surface of the cheek of the first molar tooth, and the other end of the traction hook is positioned at the turning position of the mucous membrane corresponding to the first molar tooth.

8. The auxiliary front tooth torque control device according to claim 7, characterized in that: the traction hook comprises a vertical long arm and a plurality of horizontal short arms fixed at one end of the vertical long arm.

9. The auxiliary front tooth torque control device according to claim 1, characterized in that: the dental implant is characterized by further comprising a support arranged on the lingual side, a planting nail is arranged at the intersection of the palatal center joint and the connecting line of the first molar teeth on the two sides, the middle of the support is fixed on the planting nail, two free ends of the support are respectively provided with two branches, and the two branches are respectively fixed on the first molar teeth and the second premolar teeth.

Technical Field

The invention relates to an auxiliary anterior tooth torque control device, and belongs to the technical field of orthodontic correction.

Background

Tooth extraction correction is common in orthodontic clinic, and torque loss of anterior teeth in the process of adduction of the anterior teeth is a common clinical problem, so that the anterior teeth are upright finally, and smile of a patient is influenced. In order to obtain good anterior tooth torque, the invisible correction and the lingual correction are designed with over-correction, and the labial traditional corrector is designed with a high-torque bracket, which is similar to the over-correction, but has poor treatment effect.

Disclosure of Invention

The invention provides an auxiliary anterior tooth torque control device which is small in torque loss and long in acting force duration to solve the problems in the prior art.

In order to achieve the purpose, the technical scheme provided by the invention is as follows: an auxiliary anterior tooth torque control device comprises a traction hook, an anterior tooth bracket, a spring seat and a traction seat; each front tooth is fixed with a front tooth bracket, adjacent front tooth brackets are connected through a small circle of bent wire, the spring seat and the traction seat are respectively fixed on the cuspid and the second front molar, the spring seat and the traction seat are connected through a square wire, the first molar and the cuspid are respectively provided with a traction hook, and the two traction hooks are connected through a rubber chain.

The technical scheme is further designed as follows: the clockwork spring base includes clockwork spring base, pivot and clockwork spring, the clockwork spring base is fixed on the cusp, the pivot is rotated and is connected on the clockwork spring base, the clockwork spring sets up on the clockwork spring base, and one end is fixed with the clockwork spring base, and the other end is fixed with the pivot, clockwork spring base one end side is kept away from in the pivot is equipped with the square hole, square wire one end inserts the square hole.

The traction seat comprises a traction base and a semicircular ring, the traction base is fixed on the second premolar, the semicircular ring is fixed on the traction base, and one end of the square wire far away from the spring seat is fixed on the semicircular ring.

And a planting nail is arranged between the side incisor and the cuspid, and an anterior tooth bracket positioned on the side incisor is connected with the planting nail through a Australian wire loop.

The bottom of the front tooth supporting groove on the side incisor is provided with a cylindrical rod and two supporting blocks, one supporting block is provided with a flat hole, the other supporting block is provided with a through hole, the cylindrical rod is connected in the through hole in a sliding mode, one end of the cylindrical rod extends out of the through hole and is located between the two supporting blocks, one end of the Australian thread is wound with a plurality of circles of curves, and the end portion of the Australian thread at the end is provided with a fold; the reverse fold of the Australian silks is inserted into the flat hole, the circle of the Australian silks is sleeved on the cylindrical rod, and the other end of the Australian silks is fixed on the planting nail.

The anterior denture comprises a T-shaped bracket and a square bracket, the T-shaped bracket comprises a cross bar and a vertical bar, the cross bar is fixedly connected with the T-shaped bracket, the vertical bar extends towards the tooth root, the square bracket is bonded and fixed on the surface of the tooth and is sleeved on the vertical bar, and the square bracket is stably connected with the T-shaped bracket by being embedded with the vertical bar.

The traction hook arranged on the canine tooth is fixedly connected to the square bracket corresponding to the anterior denture bracket, one end of the traction hook arranged on the first molar tooth is fixedly bonded to the buccal surface of the first molar tooth, and the other end of the traction hook is positioned at the turning part of the mucous membrane corresponding to the first molar tooth.

The traction hook comprises a vertical long arm and a plurality of horizontal short arms fixed at one end of the vertical long arm.

The control device also comprises a bracket arranged on the lingual side, a planting nail is arranged at the intersection of the palatal center slit and the connecting line of the first molar teeth on the two sides, the middle part of the bracket is fixed on the planting nail, two free ends are respectively provided with two branches, and the two branches are respectively fixed on the first molar teeth and the second premolar teeth.

The invention has the beneficial effects that:

in the device, the far-middle-direction force line provided by the rubber chain between the two traction hooks is close to the center of the tooth impedance, so that the loss of torque of the tooth is smaller. For the case of a deeper vestibular sulcus, the traction force line is located at the root of the center of resistance, and the resulting counterclockwise rotational moment (right-side view) can assist in increasing the positive torque of the anterior teeth.

The two auxiliary devices mainly comprising the clockwork spring seat and the Australian thread can directly generate the labial torque and the root-lingual torque of the front dental crown,

the force application device adopted in the invention has small force attenuation and long acting force duration.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the anterior bracket 1 of FIG. 1;

FIG. 3 is a cross-sectional view of the pallet and cylindrical rod of FIG. 1;

FIG. 4 is a schematic diagram of the Australian thread of FIG. 1;

FIG. 5 is a schematic view of the spring seat of FIG. 1;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a schematic view of the fifth wheel of FIG. 1;

fig. 8 is a schematic view of the structure of the towing hook in fig. 1.

In the figure: 1-anterior dental bracket, 11-T bracket, 12-square bracket, 13-bracket, 14-cylindrical rod, 2-traction hook, 21-vertical long arm, 22-horizontal short arm, 3-spring seat, 31-spring seat, 32-spring, 33-rotating shaft, 4-traction seat, 41-traction seat, 42-semicircular ring, 5-Australian wire, 6-square wire, 7-small circle, 8-rubber chain, 91-first planting nail, 92-second planting nail and 10-bracket.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

Examples

As shown in fig. 1, the auxiliary anterior tooth torque control device of the present embodiment includes an anterior tooth bracket 1 fixed to anterior teeth, a spring holder 3 fixed to cuspids, a traction holder 4 fixed to a second anterior molar, and two traction hooks 2 fixed to a first molar and cuspid, respectively; the torque control device of the embodiment is of a one-sided structure in the oral cavity, and is symmetrically arranged on two sides of the oral cavity in the actual use process. In the torque control device of the embodiment, an anterior denture groove 1 is fixed on three anterior teeth on one side of the oral cavity, and two adjacent anterior denture grooves 1 are connected through a small circle of bent rings 7.

Referring to fig. 2, the anterior dental bracket 1 includes a T-shaped bracket 11 and a square bracket 12, the T-shaped bracket 11 includes a cross bar and a vertical bar extending towards the tooth root, the cross bar and the vertical bar are fixedly connected to each other, a blind hole matched with the size of the vertical bar is arranged at the bottom of the square bracket 12, and the square bracket 12 is sleeved on the vertical bar and is stably connected to the T-shaped bracket 11.

The bottom of a front denture fixing groove 1 positioned on the side incisor is provided with a cylindrical rod 14 and two supporting blocks 13, as shown in a combined drawing 3, the two supporting blocks 13 are symmetrically arranged at the bottom of the front denture fixing groove 1, a flat hole is arranged on one supporting block 13, a through hole is arranged on the other supporting block 13, the cylindrical rod 14 is connected in the through hole in a sliding way, the cylindrical rod 14 penetrates through the through hole, one end of the cylindrical rod extends out of the through hole and is positioned between the two supporting blocks 13, the other end of the cylindrical rod 14 is provided with a handle, and the handle is positioned outside the through hole and is abutted against. As shown in fig. 4, a plurality of circles of curves are wound around one end of the australian wire 5, the circles of curves are uniformly wound on the cylindrical rod 14, and the end of the australian wire 5 is provided with a reverse fold; the Australian silk 5 is folded back to be inserted into the flat hole, and the circle of the Australian silk 5 is sleeved on the part, located between the two support blocks 13, of the cylindrical rod 14; in this embodiment, the first planting nail 91 is implanted between the lateral incisor and the cuspid, and the other end of the Australian thread 5 is fixed on the first planting nail 91.

Combine fig. 5 and fig. 6 to show, spring seat 3 includes spring base 31, pivot 33 and spring 32, spring base 31 fixes on the cuspid, pivot 33 rotates and connects on spring base 31, spring 32 sets up on spring base 31, and one end is fixed with spring base 31, and the other end is fixed with pivot 33, spring base 31 one end side is kept away from to pivot 33 is equipped with the square hole.

As shown in fig. 7, the traction seat 4 includes a traction base 41 and a semicircular ring 42, the traction base 41 is fixed on the second premolar, the semicircular ring 42 is fixed on the traction base 41, the spring seat 3 and the traction seat 4 are connected through a square wire 6, one end of the square wire 6 is inserted into a square hole on the rotating shaft 33, the size of the square hole is matched with that of the square wire, and the other end of the square wire 6 is fixed on the semicircular ring 42.

As shown in fig. 8, the towing hook 2 includes a long vertical arm 21 and a plurality of short horizontal arms 22 fixed at one end of the long vertical arm 21, and there are three short horizontal arms in this embodiment.

In this embodiment, one end of the traction hook 2 arranged on the canine tooth far from the horizontal short arm 21 is fixedly connected to the square bracket 12 corresponding to the anterior denture bracket, one end of the traction hook 2 arranged on the first molar tooth far from the horizontal short arm 21 is fixedly bonded to the buccal surface of the first molar tooth, and the other end is positioned at the turning position of the mucous membrane corresponding to the first molar tooth. The horizontal short arms 21 of the two towing hooks 2 are connected and towed through rubber chains.

In this embodiment, a bracket 10 is further arranged at the lingual side, a second implant nail 92 is implanted at the junction of the palatal midline and the connecting line of the first molar teeth at two sides, the middle part of the bracket 10 is fixed on the second implant nail 92, two branches are respectively arranged at two free ends, and the two branches are respectively fixed on the first molar teeth and the second premolar teeth.

The auxiliary anterior tooth torque control device of the embodiment is of an oral cavity single-side structure, and in actual use, two groups of devices of the embodiment can be symmetrically arranged on teeth on two sides of an oral cavity, so that symmetrical acting force can be applied to the oral cavity conveniently.

When the auxiliary anterior tooth torque control device of the present embodiment is used, first 1.4 × 9mm first implant nails 91 are implanted between lateral incisors and canine teeth on both sides of the upper jaw under local anesthesia. Two second implant nails 92 with the diameter of 2.0 x 10mm are implanted at the connecting line of the palatal midline and the first molar, and a model making bracket 10 is used for stably connecting the micro implant nail of the palatal midline with the first molar and the second premolar at the two sides to be used as a posterior tooth stabilizing component which can well maintain the posterior tooth anchorage.

The traction hook 2 is bonded on the buccal side of the first upper jaw molar, and the free end of the traction hook 2 is positioned at the mucous membrane turning part corresponding to the first upper jaw molar.

The method comprises the steps of mutually embedding the vertical rods of the square bracket 12 in the front tooth area and the T-shaped bracket 11 in place, placing each front tooth bracket 1 in compliance with the radian of the dental arch in the front tooth area and in the middle 1/3 of the corresponding tooth, after the position of the square bracket 12 is determined, carrying out acid etching on the side surface of the lip of the corresponding front tooth area, coating an adhesive, and bonding and fixing the square bracket by adopting a light-cured adhesive. The vertical rod of the T-shaped bracket 11 is embedded into the square bracket, the T-shaped brackets 11 of two adjacent front tooth brackets 1 are connected through the small circle of bent 7, the small circle of bent is fixedly connected together by fluid resin and is fixedly connected with the T-shaped bracket

The clockwork spring seat 3 and the traction seat 4 are respectively fixed at the position of the incised end 1/3 on the buccal side of the canine teeth and the second premolar teeth by light-cured resin, the direction of the semicircular ring 42 of the traction seat 4 is parallel to the tooth long axis, 0.022 × 0.028inch stainless steel square wires penetrate through the square hole at the axis of the rotating shaft 33 of the clockwork spring seat 3, the right side of the square wires is rotated anticlockwise and the left side of the square wires is rotated clockwise with reference to fig. 1, the clockwork spring is wound tightly, and finally the free end of the stainless steel square wires penetrates through the hole of the semicircular ring 42 of the traction seat 4 and is fixed.

Fixing two support blocks 13 at the bottom of anterior dental bracket 1 on lateral incisor, inserting folded end of Australian thread 5 into flat hole of one support block 13, placing spiral bent part of Australian thread 5 between two support blocks, inserting cylindrical rod 14 into bent part of Australian thread 5 through hole of another support block 13, and fixing free end of Australian thread on first planting nail 91 of anterior dental region

A traction hook 2 is fixed on the far side of a square bracket 12 corresponding to a cuspid, the traction hook and the end of a horizontal short arm 22 of the traction hook 2 on a first molar are connected and pulled by a rubber chain 8, and the upper anterior tooth is closer to the whole when traction force is applied because the force line is close to the center of impedance of the anterior tooth.

The rubber chain 8 can be used for traction between the first planting nail and the supporting block to control the vertical position of the anterior teeth, and the labial side positioned at the impedance center of the anterior teeth can also assist in applying coronal-labial torque and rooted-lingual torque.

The spring seat 3 and the Australian thread 5 can assist in applying torque from the root tongue to the crown lip direction, and the distal and central integral movement of the teeth is realized.

The mechanical mechanism of the device of the present embodiment is as follows,

the rubber chain 8 between the two towing hooks 2 generates a far-middle towing force. There are two root-lingual moments, which are: 1) the spring seat 3 can generate far-middle and near-middle moments of the tooth root of the cuspid; 2) australian silk 5 can produce anterior root lingual torque.

In the case of the anterior teeth needing to be controlled vertically, the force line is positioned on the labial side of the resistance center of the anterior teeth, so that the anterior teeth can be rotated anticlockwise.

Because the different front tooth inclination and the front tooth adduction determine the different requirements of the front tooth root lingual torque, one or more methods can be selected to control the front tooth torque according to the requirements of treatment in the treatment.

The technical solutions of the present invention are not limited to the above embodiments, and all technical solutions obtained by using equivalent substitution modes fall within the scope of the present invention.