CN106236295A - Multidirectional control double fluted lingual bracket - Google Patents

Abstract

The invention belongs to the technical field of brackets, and specifically relates to a multi-directional control double-groove lingual bracket, which solves the problems existing in the existing brackets. It includes a bracket body and a base, and the lingual and There are grooves on the  side respectively. The main section of the groove on the  side is square, and the bottom of the groove is semicircular. Beneficial effects of the present invention: the lip-tongue inclination and the mesial-distal inclination can be adjusted at the same time, and the control effect of the three-dimensional direction of the teeth can be better realized; The patient's comfort is greatly improved; the semi-circular convex base setting of the bracket base plate makes the base and teeth bond better.

Description

Multi-directional control double groove lingual bracket

technical field

The invention belongs to the technical field of brackets, and in particular relates to a multi-directional control double-groove lingual bracket.

Background technique

Brackets are an important part of tooth fixation and orthodontic technology. They are directly bonded to the surface of teeth with adhesives, and arch wires pass through the brackets to exert various types of orthodontic forces on the teeth. Brackets are made of stainless steel, bioceramic or composite resin, and their main function is to fix the arch wire, so that the arch wire can play a better role and transmit the orthodontic force, so as to control the three-dimensional movement of the teeth and achieve the purpose of orthodontic treatment.

There is generally one groove for fixing the arch wire on the traditional bracket body. Currently, the existing double-groove brackets are limited to buccal brackets. Not only the grooves are parallel double grooves, but also the shape of the grooves is consistent. With people's pursuit of beauty in the treatment process, lingual bracket orthodontic technology has developed rapidly, but the traditional lingual bracket is a single groove, and the  groove is convenient for the control of the labial and lingual direction of the teeth, but the control of near and far The medial direction is poor, and the lingual direction is better in the vertical direction of the groove and in the mesio-distal direction, but at the same time, the torque control force in the labial-lingual direction is weaker. In clinical lingual treatment, no matter what kind of lingual bracket is selected, the torque control of the labial-lingual direction of the anterior teeth of patients with tooth extraction is insufficient.

Contents of the invention

In order to solve the problem that the existing bracket has insufficient torque control in the labial-lingual direction of the anterior teeth of patients with tooth extraction, the present invention provides a multi-directional control double-groove lingual bracket.

The present invention adopts following technical scheme to realize:

A multi-directional control double-groove lingual bracket, including a bracket body and a base, is characterized in that the bracket body is provided with grooves in the lingual direction and the  side respectively, the main body section of the  side groove is square, and the groove The bottom is semicircular, and the cross section of the lingual groove is trapezoidal and matched with trapezoidal archwires of the same shape.

The main section of the square groove is square, the bottom of the groove is semicircular, the diameter of the semicircle is 0.018 inches, and the height of the square part is 0.020-0.025 inches.

The cross-section of the groove in the tongue direction is trapezoidal, the width of the bottom of the trapezoid is 0.018 inches, the height of the trapezoid is 0.028 inches, and the angle between the trapezoidal hypotenuse and the height direction is 5-10°.

A surface-polished cover plate is attached to the side of the bracket body opposite to the teeth, the cover plate covers the lingual and  side grooves of the bracket body, and the cover plate is hingedly connected with the side of the bracket body close to the gingival side , the opening and closing direction of the cover is from the  side to the gingiva side.

There are several continuous semicircular protrusions on the contact surface between the base and the teeth.

The present invention has following beneficial effect:

1. The lip-lingual inclination and the mesial-distal inclination can be adjusted at the same time to better realize the three-dimensional control effect of teeth.

The bracket adopts special-shaped double-groove design, the -direction groove is designed with a semi-circular bottom with a diameter of 0.018 inches, the main section of the groove is square, and the height of the square part is 0.020-0.025 inches.

(1) In the initial stage of clinical application, nickel-titanium arch wires with circular cross-sections are routinely used. The arch wires are selected as 0.012, 0.014, 0.016, and 0.018 models. The semicircular design at the bottom of the groove makes the arch wire and the groove The bottom is a point contact, and the relative friction between the arch wire and the groove during tooth movement is greatly reduced, which will facilitate the rapid alignment of teeth. With the increase of the contact area between the arch wire and the groove, the teeth are gradually aligned. At the same time, the arch wire with a square cross section can also be placed in the groove. The material of the arch wire can be nickel titanium or stainless steel square arch wire, 0.014×0.022, 0.016 ×0.022, when the cover is covered, the square wire will further align the teeth.

(2) The lingual groove is designed with a trapezoidal cross-section. When the torque control of the teeth is required, the matching trapezoidal archwire can be selected. The traditional rectangular archwire has a wider base and a longer force arm, so the torque expression is more perfect.

(3) During orthodontic treatment, according to the needs of the treatment plan, the corresponding arch wires can be placed in the  and lingual grooves at the same time, so that the three-dimensional directions of the teeth can be better realized, including vertical, mesial, and lip-lingual directions. Torque control.

2. The setting of the cover greatly improves the comfort of the patient.

3. The semicircular convex base setting makes the base and teeth bond better.

Description of drawings

Fig. 1 is a structural representation of the present invention,

In the figure: 1-cover plate, 2-bracket body, 3-base, 4- groove, 5-lingual groove.

detailed description

The specific embodiment of the present invention will be further described in conjunction with the accompanying drawings.

A multi-directional control double-groove lingual bracket, including a bracket body and a base, grooves are respectively provided in the lingual direction and the  side of the bracket body, the main body section of the  side groove is square, and the bottom of the groove is half The circular, lingual groove has a trapezoidal cross-section and is equipped with trapezoidal archwires of the same shape.

The main section of the square groove is square, the bottom of the groove is semicircular, the diameter of the semicircle is 0.018 inches, and the height of the square part is 0.020-0.025 inches.

The cross-section of the groove in the tongue direction is trapezoidal, the width of the bottom of the trapezoid is 0.018 inches, the height of the trapezoid is 0.028 inches, and the angle between the trapezoidal hypotenuse and the height direction is 5-10°.

A surface-polished cover plate is attached to the side of the bracket body opposite to the teeth, the cover plate covers the lingual and  side grooves of the bracket body, and the cover plate is hingedly connected with the side of the bracket body close to the gingival side , the opening and closing direction of the cover is from the  side to the gingiva side.

There are several continuous semicircular protrusions on the contact surface between the base and the teeth.

In clinical use, round archwires are used in the lingual and  side grooves during the early alignment process. , round, square, and trapezoidal wires can be freely combined and used.

The size of the round arch wire ranges from 0.012-0.018 inches. During the alignment process, as the teeth are gradually aligned, the diameter of the arch wire used becomes thicker and thicker. In the square groove, the contact area between the circular arch wire and the bottom of the groove gradually increases from the initial point of contact, which realizes the gradual increase of the alignment force and completes the adjustment of the lip-lingual inclination.

When aligning in the later stage, the trapezoidal arch wire is usually placed in the square groove. Generally, a square arch wire is used in the lingual groove, and the contact between the square arch wire and the groove is four points, so that the control force on the groove is good, and it will not slip, which can well maintain the early alignment effect and assist  Effect of a trapezoidal archwire in a square groove. Complete the adjustment of the mesial-distal inclination and labial-lingual torque.

Claims (5)

1. a multidirectional control double fluted lingual bracket, including supporter groove and substrate, it is characterised in that the tongue of supporter groove to and side Being respectively equipped with groove, the groove main body section of side is square, be semicircle bottom groove, tongue to groove cross section be trapezoidal and It is configured with the trapezoidal arch wire that shape is identical.

Multidirectional control double fluted lingual bracket the most according to claim 1, it is characterised in that the groove main body section of side is Square, it is semicircle bottom groove, semicircular a diameter of 0.018 inch, the height of projected square part is 0.020-0.025 English Very little.

Multidirectional control double fluted lingual bracket the most according to claim 1 and 2, it is characterised in that tongue to groove cross section be Trapezoidal, trapezium base width is 0.018 inch, and trapezoidal height is 0.028 inch, the angle of trapezoidal hypotenuse and short transverse is 5 ~ 10°。

Multidirectional control double fluted lingual bracket the most according to claim 3, it is characterised in that outside supporter groove opposed teeth Side be fitted with the cover plate of a surface finish, supporter groove tongue is covered by cover plate to the groove with side, and cover plate leans on supporter groove The side of nearly gum side is articulated and connected, and the folding direction of cover plate is to gum side from side.

Multidirectional control double fluted lingual bracket the most according to claim 4, it is characterised in that substrate has with teeth contact face Some continuous semi-cylindrical hills.