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Orthodontic bracket and orthodontic appliance

A technology for orthodontic brackets and orthodontic brackets, which is applied in the direction of brackets, arch wires, etc., and can solve the problems of high friction between arch wires and orthodontic brackets

Active Publication Date: 2021-04-30
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an orthodontic bracket and an orthodontic appliance, aiming to solve the technical problem of large friction between the archwire and the orthodontic bracket of the existing orthodontic appliance to a certain extent

Method used

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  • Orthodontic bracket and orthodontic appliance
  • Orthodontic bracket and orthodontic appliance
  • Orthodontic bracket and orthodontic appliance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] First, clean the common bracket, and then use the Keyence VK-X250K laser confocal microscope to characterize the morphology of its working surface. The characterization results are as follows: image 3 shown.

[0056] Secondly, the stainless steel arch wire and the ordinary bracket are respectively clamped on their respective fixtures. When the arch wire is clamped, a 10N preload is applied to the arch wire, and then the three-axis translation stage is moved to make the two cooperate and 1N is applied. The load is driven by the electric linear slide (TSA50-C, ZOLIX) to make reciprocating linear motion of the bracket. The experimental time is set to 4000s, the moving speed is 0.05mm / s, and the stroke is 1mm. During the experiment, the computer is used to collect the experimental data.

[0057] Finally, draw the original friction curve (as shown in Figure 7(a)), and use an optical microscope to take photos of the wear of the bracket and the working surface of the arch wir...

Embodiment 2

[0059] First, laser processing equipment is used to process the working surface of ordinary brackets to obtain a row of grooves with a groove width of 45 μm.

[0060] Secondly, clean a row of grooved brackets, and then use the Keyence VK-X250K laser confocal microscope to characterize the morphology of its working surface. The characterization results are as follows: Figure 4 shown.

[0061] Thirdly, clamp the stainless steel arch wire and a row of grooved brackets on their respective fixtures. When clamping the arch wire, it is necessary to apply a preload force of 10N to the arch wire, and then move the three-axis translation table so that the two Cooperate with and apply a load of 1N, and the electric linear slide table (TSA50-C, ZOLIX) drives the bracket to do reciprocating linear motion. The experimental time is set to 4000s, the moving speed is 0.05mm / s, and the stroke is 1mm. During the experiment, the computer Collect experimental data.

[0062] Finally, draw the or...

Embodiment 3

[0064] First, laser processing equipment was used to process the working surface of ordinary brackets to obtain two rows of brackets with a groove width of 45 μm.

[0065] Secondly, clean the two rows of grooved brackets, and then use the Keyence VK-X250K laser confocal microscope to characterize the morphology of the working surface. The characterization results are as follows Figure 5 shown.

[0066] Thirdly, clamp the stainless steel archwire and the two rows of grooved brackets on their respective fixtures. When clamping the archwire, a 10N preload should be applied to the archwire, and then move the three-axis translation table so that the two Cooperate with and apply a load of 1N, and the electric linear slide table (TSA50-C, ZOLIX) drives the bracket to do reciprocating linear motion. The experimental time is set to 4000s, the moving speed is 0.05mm / s, and the stroke is 1mm. During the experiment, the computer Collect experimental data.

[0067] Finally, draw the ori...

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Abstract

The invention provides an orthodontic bracket and an orthodontic appliance, the orthodontic bracket comprises a body, the body is provided with a groove, the groove comprises a bottom wall and a pair of side walls; and the bottom wall is provided with a surface microstructure. Due to the fact that the surface microtexture is arranged on the bottom wall of the groove in the body, friction force between the arch wire and the orthodontic bracket can be reduced, and abrasion of the arch wire and the orthodontic bracket is reduced. Therefore, pain of a patient in the orthodontic treatment process is relieved, meanwhile, the orthodontic treatment period is shortened, and heavy metal generated by friction is prevented from entering the human body.

Description

technical field [0001] The invention relates to the technical field of orthodontics, in particular to an orthodontic bracket and a tooth aligner. Background technique [0002] In orthodontic treatment, most people will choose to wear light-force aligners to correct teeth. The aligner is mainly composed of arch wire and bracket. In this process, friction will inevitably be generated. When the friction is too large, the correction force will be reduced, the treatment cycle will be prolonged, and the patient will suffer. Precipitation into the human body is not conducive to oral health. [0003] Therefore, how to reduce the frictional force between the arch wire and the orthodontic bracket is an urgent problem to be solved at present. Contents of the invention [0004] The invention provides an orthodontic bracket and an orthodontic bracket, aiming to solve the technical problem of high friction between the arch wire and the orthodontic bracket of the existing orthodontic b...

Claims

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Application Information

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IPC IPC(8): A61C7/28
CPCA61C7/28
Inventor 汪朋飞罗昕周凯潘宗林
Owner SHENZHEN UNIV
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