Dental instrument

By designing a shell-like body and an arch portion for dental instruments, and applying an arch-expanding force using elastic deformation, the problems of poor comfort and effectiveness of traditional orthodontic appliances are solved, achieving comfortable and efficient orthodontic results.

CN224598267UActive Publication Date: 2026-08-07SHANGHAI SMARTEE DENTI TECH CO LTD
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Patent Information

Application Number
CN202521531593.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-21
Publication Date
2026-08-07
Estimated Expiration
2035-07-21

AI Technical Summary

Technical Problem

Existing dental appliances have problems such as poor comfort, inconvenience in operation, and poor expansion effect in arch expansion treatment, especially when invisible appliances are combined with traditional arch expansion devices, resulting in a poor patient experience.

Method used

Design a dental instrument comprising a shell-shaped body and an arch portion. The arch portion is an integral structure that applies an expansion force through elastic deformation. Combined with the shell-shaped body, it provides comfortable orthodontic treatment. The arch portion and the shell-shaped body are detachably connected to adapt to the needs of different orthodontic stages.

Benefits of technology

It improves patient comfort and treatment efficiency, shortens the treatment cycle, enhances the stability and durability of dental instruments, and the arch expansion and tooth movement complement each other, thus increasing patient acceptance.

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Abstract

The utility model discloses dental instrument, including shell body and the tooth arch part of the upper jaw posterior tooth area of being connected, tooth arch part is integral structure, including first connecting part, second connecting part and tooth arch body, the left and right ends of tooth arch body are connected in the lingual side of first connecting part and the lingual side of second connecting part respectively, shell body has the geometric structure of moving the tooth of being wrapped in tooth from first position to second position, shell body includes the first section of accommodating first connecting part and the second section of accommodating second connecting part and the third section of wrapping the tooth of not being connected by first connecting part and second connecting part, first connecting part is accommodated and fixed in the first section, and the inner surface of first section corresponds to the position of first connecting part at the outer surface of first connecting part and is attached, second connecting part is accommodated and fixed in the second section, and the inner surface of second section corresponds to the position of second connecting part at the outer surface of second connecting part and is attached.
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