Device for distally moving posterior dentition

A technology of moving the dentition, applied in the field of orthodontics, which can solve problems such as tooth ectropion

Pending Publication Date: 2021-06-08
上海市口腔病防治院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The vertical control device can prevent defects such as tooth valgus when the anchorage part moves the set of teeth from the buccal distally

Method used

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  • Device for distally moving posterior dentition
  • Device for distally moving posterior dentition
  • Device for distally moving posterior dentition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A device for moving the posterior dentition distally, placed on the upper jaw, as in Figure 1~3 As shown, it includes a coupling body 1, an anchorage component 2, a push rod 3 and a base 4. The coupling body 1 includes a ring body 11 and a buccal connecting rod 12. The ring body 11 covers the first molars and canines, and the buccal connection The rod 12 is connected to the annular body 11 and is provided with a traction hook 13, and the anchorage component 2 is a planting nail located on the buccal side. The push rod 3 is located on the palatal side, and its two ends are connected to the annular body 11 covering the first molars. It is formed by bending a steel wire with a diameter of 0.8-1.0 mm, and includes four curved springs 31 and a V-shaped curved body 32 located on the midline of the face. The two coil springs 31 close to the molars on both sides are located in the distal part of the first molar, and the two coil springs 31 close to the midline are located in t...

Embodiment 2

[0034] A device for moving the posterior dentition distally, placed on the lower jaw, as in Figure 4 As shown, it includes coupling body 1, anchorage component 2 and lingual rod 5. Coupling body 1 includes annular body 11 and buccal connecting rod 12. The annular body 11 covers the first molars and canines. The body 11 is also provided with a traction hook 13, and the anchorage component 2 is a planting nail located on the buccal side. The two ends of the tongue bar 5 are respectively connected to the lingual side of the annular body 11 covering the first molars, the middle section of the tongue bar 5 is connected to the buccal side of the ring body 11 covering the canines, and the front section of the tongue bar 5 is located on the labial side of the anterior teeth area. And it can be covered with flexible materials to prevent damage to the lip side.

[0035]When the device in this embodiment moves the posterior dentition distally, the implant nail and the traction hook 13 ...

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PUM

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Abstract

The invention relates to a device for distally moving a posterior dentition, which comprises a connector (1), an anchorage component (2) and a vertical control device, wherein the connector (1) comprises an annular body (11) and a buccal side connecting rod (12), the annular body (11) respectively covers a first molar and a canine and is connected with the first molar and the canine through the buccal side connecting rod (12), the anchorage component (2) is arranged on the buccal side and is connected with the connector (1), and the vertical control device is connected with the connector (1). Compared with the prior art, the device disclosed by the invention does not need bonding, and can prevent the extropion of teeth in the process of distally moving the dentition.

Description

technical field [0001] The invention relates to the technical field of orthodontics, in particular to a device for distally moving the posterior dentition. Background technique [0002] With the development of the economy and the progress of society, more and more people choose to receive orthodontic treatment for aesthetic or functional reasons. In clinical work, orthodontists apply force to teeth, jaws or temporomandibular joints through various appliances, so that the teeth can be tilted, integrated, root-controlled, vertical (elongated or depressed) or rotated. The shape and position are rebuilt, so as to achieve the established correction effect and the goal of balance, beauty and stability. Distal molar movement is a common method to solve various malocclusions such as skeletal and dental protrusion and odontogenic dentition crowding cases who are unwilling to accept tooth extraction or are not suitable for tooth extraction. There are indeed various defects: some nee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C8/00A61C7/00A61C7/08
CPCA61C7/00A61C7/08A61C8/0096
Inventor 叶翠刘月华吴海苗龚志诚
Owner 上海市口腔病防治院
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