Orthodontic micro-implant anchorage nail

Abstract

The invention provides an orthodontic micro-implant anchorage nail which comprises an anchorage nail head, an anchorage nail neck and an anchorage nail thread part, wherein the anchorage nail head is formed by a solid cuboid which is 2mm thick; a cutting angle, near the neck, of the cuboid is lost; the design is adapted to the inclination degree of the surface of a gingival mucosa surface of the implant part; the geometric profile on the surface of the implant is prevented from oppressing gingival to cause mucosa inflammation; cleaning of the periphery of the anchorage nail is facilitated. The upper part of the anchorage nail head is narrowed to form a ligation head; the transgingival part of the anchorage nail neck is smooth in appearance and is 2mm long; an antibacterial biological coating is formed in the surface; bacterial plaques are prevented from being formed; the anchorage nail thread part comprises a cortical bone segment and a cancellous bone segment; and the cortical bone segment is in a fine thread structure which is 2mm long; and the other cancellous bon segment is in a thin thread structure. The orthodontic micro-implant anchorage nail has the structure characteristics that the stability of the anchorage nail is facilitated; and the expulsion rate of the anchorage nail is reduced.

Description

technical field [0001] The invention relates to an orthodontic micro-plant anchorage screw, which can provide absolute anchorage for the correction of malocclusion. technical background [0002] 1. Traditional implant anchorage can meet the demand for absolute anchorage in orthodontics, which is better than other anchorages. [0003] Implant anchorage is considered to be absolute anchorage in clinical applications. The anchorage provided by the implant screw is different from the traditional anchorage when the anterior teeth are retracted, because the traction force is not applied to the posterior teeth, and the posterior teeth hardly move forward. Closure can be completed by retraction of the anterior teeth, so a large amount of distal movement of the anterior teeth is generated, which is beneficial to significantly improve the protruding facial shape. The implant site is usually the first and second premolars of the upper and lower jaws or the first and second teeth of the...

AI Technical Summary

Problems solved by technology

[0004] 2. Planting anchorage can meet the needs of absolute anchorage, but there are problems such as inflammation and shedding

Different pitches produce different helix angles. The larger the pitch, the larger the helix angle, the faster the transfer speed, and the worse the stability of the micro-plant anchorage screw. Too large or too small pitch is not conducive to the stability of the implant screw.

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