Preparation method of orthodontic zirconia bracket

Abstract

The invention discloses a preparation method of an orthodontic zirconia bracket. The method is characterized in that zirconia ink slurry with the solid phase content of 30-60% is used as a raw material, dentition data of a patient is acquired to establish a digital model, a bracket structure with a T-shaped net bottom structure is set, STL data is exported, and the zirconia ceramic bracket consistent with the design is processed through a 3D printer. The bonding force with the tooth surface is greatly improved, and the problem that the ceramic bracket is easy to fall off is effectively solved; the treatment effect and the wearing comfort of a patient are improved; in a limited space, various structures which are difficult to realize by mold opening can be realized, and the product design upgrading is promoted; when the bracket and the net body structure are integrally formed, the high-precision processing characteristic can be further ensured, so that the production process is simplified, and the production difficulty is reduced; and one-time forming is achieved, operation is easy, the defects that in a traditional process, mold opening cost is high, and the mold changing period is long are overcome, and product iteration upgrading is accelerated.

Description

technical field [0001] The invention relates to orthodontic technology, in particular to a method for preparing an orthodontic zirconia bracket. Background technique [0002] Orthodontics is the technique of straightening teeth, removing malocclusions and deformities. Use various orthodontic devices to adjust the positions of jaws, teeth, muscles, and nerves, so as to rearrange malocclusion and deformed teeth, so as to achieve the effect of beautifying teeth. Orthodontics is divided into fixed orthodontics and invisible orthodontics. Fixed orthodontics include traditional metal brackets and ceramic brackets; invisible orthodontics include lingual invisible orthodontics and transparent braces that have emerged in recent years. In terms of treatment effect and cost, metal brackets are undoubtedly the best choice, but in terms of aesthetics and comfort, invisible braces have the advantages of beautiful appearance, visualized treatment expectations, high automation, and cleanli...

AI Technical Summary

Problems solved by technology

The brackets produced by these methods are basically manufactured according to the most applicable data, which cannot cover all situations

In particular, the integrally formed ceramic bracket mesh bottom structure processed by CIM technology is not as delicate as the split processing. The bracket body and the mesh bottom need to be processed separately, which is difficult to manufacture, with few varieties and types, and cumbersome procedures; The structure does not fit the patient's tooth surface, resulting in unsatisfactory bonding strength and comfort; ceramic brackets are limited in size and space, and many structural designs cannot be realized; in addition, with the improvement of the level of orthodontists, coupled with the increasing With the introduction of more and more high-precision measurement equipment (cone beam CT, cephalometric measurement, etc.), doctors are willing to process brackets according to their own designs, but the cost of mold opening is too high, and the cycle of mold modification is long, and many ideas are difficult to realize

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