Traction bow for curing maxillary maldevelopment

Abstract

The present invention relates to a traction bow for curing maxiliary development deficiency, including upper first molar band ring whose outer side possesses molar band ring extra-oral bow tube, traction rubber band and face mask. It is characterized by that it also has a traction bow, said traction bow is mainly formed from main bow close to outer side of maxillary teeth, auxiliary bow fixedly connected on the main bow and traction hooks on tail end of its two sides, the inner side of tail end of the main bow is equipped with hook. As compared with existent technology said invention is simple in structure, convenient and safe in use, and does not damage saft tissue and can be recovered for reuse, etc.

Description

Technical field: [0001] The present invention relates to devices for the non-surgical treatment of maxillary underdevelopment in the field of orthodontics, in particular to anterior distraction devices. Background technique: [0002] Maxillary hypoplasia (commonly known as underbite) has a prevalence rate between 4.9% and 8.1% (according to Peking University School of Stomatology). It is a clinical frequently-occurring disease and seriously affects the facial appearance, oral function and mental health of patients. In recent years, the treatment of juvenile maxillary hypoplasia is mainly anterior traction, which can effectively promote the development of the maxilla in the early stage of growth and development, such as figure 1 , figure 2 shown. The traction device used in the existing anterior traction technology is mainly composed of the upper first molar belt ring 1, the first premolar belt ring 4, the intraoral support 6, the mask 3, and the traction rubber band 2. Th...

AI Technical Summary

Problems solved by technology

The installation of this kind of traction device depends on the eruption of the first premolars (about 12 years old), and the best time to treat maxillary hypoplasia is before and after the eruption of the upper first premolars (about 10 years old), and the contradiction between the two is often missed. The size and shape of the oral cavity vary from person to person. Therefore, the intraoral bracket must be made individually according to the physiological characteristics of the individual oral cavity, and the intraoral bracket must be connected with the upper first molar ring, first premolar ring, and traction hook. It is welded into a whole. It can be seen that the production of this traction device is cumbersome, and it is easy to cause false welding and falling off due to the unskilled technique of the maker. Bracket, foreign body sensation, poor sanitation, uncomfortable to use, easy to cause dental caries; because the intraoral bracket hinders the orthodontic treatment of the teeth, therefore, the anterior traction of the maxilla and the orthodontic treatment of the teeth cannot be carried out at the same time; most of the traction hooks are bent backwards Open device, the traction hook is easy to damage the soft tissue during the movement of the lips; this kind of traction device is manufactured for the individual, so it cannot be recycled

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