Invisible correcting device and method for enhancing retention force thereof

Abstract

The invention provides a method for enhancing retention force of an invisible correcting device. According to different needs of patients, corresponding forceps can be selected to form convex points protruding to the inner surface at tooth gaps or tooth faces of the invisible correcting device. If the aim is to only increase the retention force so as to control ability of the invisible correctingdevice to a whole tooth, tooth gap forceps are selected to form the convex points protruding to the inner surface at tooth gaps or tooth faces of the invisible correcting device; if the aim is to enhancing the retention force so as to better realize small-amplitude inclined movement, rotation and root-controlled movement of the tooth to a certain specific direction, tooth face forceps are selectedto form the convex points protruding to the inner surface at corresponding positions of the tooth faces of the invisible correcting device. The invention further provides the invisible correcting device which is simple and reliable and has no impact on tooth cleaning.

Description

technical field [0001] The application relates to the field of dental instruments, in particular to a method for enhancing the retention force of an invisible aligner and the invisible aligner. Background technique [0002] The principle of the invisible appliance is to image the dental model in three dimensions, formulate a treatment plan according to the doctor's design, perform three-dimensional image processing and fine tooth position adjustment on the computer, and further reflect each step of the tooth position change to the computer-aided production. On the transparent braces, the misaligned teeth can be corrected by continuously moving the teeth in a small range by wearing a series of braces. The ability of the invisible appliance to move the teeth is closely related to the retention force of the invisible appliance. At present, clinically, the method of bonding accessories on the tooth surface is mainly used, including cleaning the tooth surface, acid-etching the to...

AI Technical Summary

Problems solved by technology

However, not only the bonding steps of the attachment are cumbersome, which increases the work intensity of the doctor, but also the surrounding area of ​​the attachment is not easy to clean, which increases the difficulty of brushing the patient's teeth

China Patent Authorization Announcement No. CN209048324U, announcement date July 20, 2019, the utility model named "a double-layer floating-point invisible appliance without attachments and brackets" embodies another kind of enhanced invisible appliance retention force The method is that when the computer software is designed, it is designed to be double-layered, and the inner layer has a floating point. When pressing, the outer layer uses a harder diaphragm and the inner layer uses a softer diaphragm. However, this method is not suitable for invisible aligners. Higher requirements have been put forward in the design and production of the product, and it is difficult to put it into practice in large quantities.

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