Design method and manufacturing method of shell-shaped tooth appliance

A technology for orthodontic appliances and design methods, applied in the field of orthodontics, can solve the problems of increasing the treatment effect of invisible orthodontics and patient satisfaction, insufficient retention of shell-shaped orthodontic appliances, and increasing the retention of short and small teeth, so as to improve compliance , reduce the time of visiting a doctor, and improve the effect of comfort

Pending Publication Date: 2022-03-29
SHANGHAI SMARTEE DENTI TECH CO LTD
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  • Description
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  • Application Information

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Problems solved by technology

[0006] The main purpose of the present invention is to provide a design method and manufacturing method of a shell-shaped dental appliance to solve the problem of insufficient retention of existing shell-shaped dental appliances, especially for teeth with short and small crowns. The orthodontic effect of orthodontic appliances, and increase the retention of short teeth without affecting the appearance, in order to achieve the purpose of increasing the treatment effect of invisible orthodontics and patient satisfaction

Method used

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  • Design method and manufacturing method of shell-shaped tooth appliance
  • Design method and manufacturing method of shell-shaped tooth appliance
  • Design method and manufacturing method of shell-shaped tooth appliance

Examples

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Embodiment 1

[0038] This embodiment provides a design method of a shell-shaped dental appliance. The designed shell-shaped dental appliance is used for strengthening and retaining the appliance on the teeth. Please refer to figure 1 , the design method includes the following steps:

[0039] S1. Acquisition of a digital dental model: acquiring a digital dental model, the digital dental model includes a digital tooth model and a digital gingival model;

[0040] S2. Cutting of the digital jaw model: dividing the digital jaw model into an independent digital gingiva model and a single digital crown model;

[0041] S3. Virtual design of the treatment plan: performing virtual design on the single digital crown model, so that the single digital crown model gradually changes from the initial position to the target treatment position, and obtains a series of intermediate digital tooth and jaw models; The initial position can be the original layout of the teeth before the start of orthodontic treat...

Embodiment 2

[0071] This embodiment provides a method for manufacturing a shell-shaped dental appliance. The digital model of the shell-shaped dental appliance obtained according to the design method of the shell-shaped dental appliance described in Example 1 is molded by hot-pressed film or manufactured by adding materials. process to obtain a shell-shaped dental appliance.

[0072] For example, when the hot-pressed film forming process is used for production, the specific production method includes: 3D printing based on the digital dental model and a series of intermediate digital dental models to produce a solid dental model, and then A shell-shaped dental instrument containing the shape of teeth is obtained by hot pressing on the above-mentioned solid jaw model, and then the shell-shaped dental instrument containing the tooth shape is cut along the gum line or near the gum line to obtain a shell that can accommodate the teeth Orthodontic appliances.

[0073] For example, when using th...

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Abstract

The invention discloses a design method and a manufacturing method of a shell-shaped tooth appliance, solves the problem that the existing shell-shaped tooth appliance is insufficient in retention, particularly insufficient in retention for teeth with short and small dental crowns, improves the correction curative effect of the shell-shaped tooth appliance, does not affect the appearance while increasing the retention of the short and small teeth, and has a good application prospect. Meanwhile, the purpose of improving the invisible correction treatment effect and the satisfaction degree of the patient is achieved. The design method of the shell-shaped tooth appliance comprises the following steps: acquiring a digital tooth jaw model, cutting the digital tooth jaw model, virtually designing a correction plan, and designing a digital model of the shell-shaped tooth appliance. The shell-shaped body of the shell-shaped tooth appliance is also provided with an auxiliary retention part between the cavities for accommodating two adjacent teeth, and the auxiliary retention part is provided with a geometric structure for providing retention force for enabling the shell-shaped body to stably wrap the plurality of teeth. The manufacturing method is used for manufacturing the shell-shaped tooth appliance based on the design method.

Description

technical field [0001] The invention belongs to the technical field of orthodontics, and more precisely relates to the manufacturing technology of a shell-shaped dental appliance, in particular to a design method and a manufacturing method of a shell-shaped dental appliance with a strengthening retention effect. Background technique [0002] In recent years, with the widespread popularization of orthodontic treatment, more and more people choose invisible correction, taking into account the beauty and comfort in the process of receiving orthodontic treatment. [0003] However, in invisible orthodontics, tooth retention for short crowns is a major technical difficulty that needs to be solved urgently. Insufficient retention of short crowns may lead to the inability of the invisible orthodontic appliance to be retained with the teeth for a long time, resulting in the inability of the orthodontic appliance to provide continuous orthodontic force for a long time, affecting the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C7/00
CPCA61C7/002
Inventor 吴刚王星星姚峻峰
Owner SHANGHAI SMARTEE DENTI TECH CO LTD
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