CN-121987372-A - Zirconia denture preparation method based on visual tag and zirconia denture

CN121987372ACN 121987372 ACN121987372 ACN 121987372ACN-121987372-A

Abstract

The application provides a zirconia denture preparation method based on a visual tag and a zirconia denture, wherein the method comprises the steps of preparing ceramic blocks with different color systems based on different ceramic block formulas; the method comprises the steps of marking layering information on porcelain blocks of each color system, determining a target color system corresponding to the color of a target denture based on a color comparison plate, selecting a target porcelain block corresponding to the color of the target denture from the porcelain blocks of each color system, determining a color difference between the color of the target denture and the target color system, determining a target porcelain block with target thickness based on the color difference, determining an incisor position based on the color of the target denture, the color of the target denture and the layering information, and processing the target porcelain block with target thickness based on the incisor position to obtain the target zirconia denture. The application can distinguish the gradual change effect area of the multi-layer color zirconia in the porcelain blocks, avoids color deviation, and reduces the difficulty of preparing zirconia false teeth with different colors.

Inventors

GAO WANG
ZHOU TAO
FENG QIANG
CHEN SHANSHAN
Xiong Jiandu
Cheng Yuankai

Assignees

深圳市翔通光电技术有限公司

Dates

Publication Date: 20260508
Application Date: 20260206

Claims (10)

1. The preparation method of the zirconia denture based on the visual label is characterized by comprising the following steps: preparing ceramic blocks of different color systems based on different ceramic block formulas; Marking layering information on the porcelain blocks of each color system according to the porcelain block formula, wherein the layering information is used for indicating the positions and the proportion of each layer on the porcelain blocks; Acquiring a target denture color and a target artificial tooth height, determining a target color system corresponding to the target denture color based on a color comparison plate, and selecting a target ceramic block corresponding to the target color system and the target artificial tooth height from ceramic blocks of each color system; determining a color difference between a target denture color and a target color system, and determining a target porcelain block with target thickness based on the color difference; And determining an incisor position based on the target artificial tooth height, the target artificial tooth color and the layering information, and processing the target porcelain block with the target thickness based on the incisor position to obtain the target zirconia artificial tooth.
2. The visual tag-based zirconia denture preparation method according to claim 1, wherein the preparation of the porcelain blocks of different color systems based on different porcelain block formulas comprises the following steps: Based on different porcelain block formulas, carrying out gradient powder spreading and isostatic compaction on the powder to obtain a molded blank; And pre-sintering the molded green body to obtain ceramic blocks with different color systems.
3. The visual tag-based zirconia denture preparation method according to claim 1, wherein the layering information comprises layering boundaries and/or colors corresponding to the layers after final sintering.
4. The visual label-based zirconia denture preparation method according to claim 1, wherein the layered information is displayed by sticking a label with a layered limit and/or a color corresponding to each layer after final sintering on a porcelain block.
5. The visual tag-based zirconia denture preparation method according to claim 1, wherein the layered information is displayed by printing ink on the porcelain blocks so as to display layered boundaries and/or colors corresponding to each layer after final sintering on the porcelain blocks.
6. The visual tag-based zirconia denture preparation method according to claim 1, wherein determining a color gap between a target denture color and a target color system, determining a target porcelain of a target thickness based on the color gap, comprises: Determining a color difference between the target denture color and the target color system; If the color difference is smaller than a preset threshold, selecting a target porcelain block with a first preset thickness; if the color difference is larger than or equal to a preset threshold value, selecting a target porcelain block with a second preset thickness; wherein the first predetermined thickness is less than the second predetermined thickness.
7. The visual tag-based zirconia denture preparation method according to claim 1, wherein the method for determining the incisor position based on the target artificial tooth height, the target artificial tooth color and the layered information, and processing the target porcelain block of the target thickness based on the incisor position to obtain the target zirconia denture comprises: Determining an incisor position based on the target artificial tooth height, the target artificial tooth color and the layering information, and turning the target porcelain block with the target thickness based on the incisor position to obtain a molded artificial tooth; and finally sintering the formed denture to obtain the zirconia denture corresponding to the target denture information.
8. The visual tag-based zirconia denture preparation method according to claim 1, wherein the porcelain blocks comprise a cutting end layer, a plurality of transition layers and a neck edge layer which are sequentially arranged.
9. The visual tag-based zirconia denture preparation method according to claim 1, wherein the ceramic blocks have a plurality of total layers.
10. A zirconia denture prepared by the visual tag-based zirconia denture preparation method according to any one of claims 1 to 9.

Description

Zirconia denture preparation method based on visual tag and zirconia denture Technical Field The invention relates to the technical field of dental materials, in particular to a zirconia denture preparation method based on a visual tag and a zirconia denture. Background The multi-layer colored zirconia ceramic block has excellent aesthetic appearance, and the natural gradual change of color, transmittance and strength from the cervical portion to the incised end is realized by the multi-layer powder spreading technology instead of single color. However, the opaque white ceramic blocks are not completely sintered by the multi-layer color zirconia, and the natural transparent gradual change aesthetic colors are only displayed after the ceramic blocks are completely sintered, so that gradual change effect areas of the multi-layer color zirconia are not easy to distinguish before the ceramic blocks are not completely sintered, and the difficulty is brought to the preparation of zirconia false teeth with different colors. Accordingly, the prior art has drawbacks and needs to be improved and developed. Disclosure of Invention The invention aims to solve the technical problems of the prior art, and provides a zirconia denture preparation method and a zirconia denture based on a visual tag, which aims to solve the problems that the gradual change effect area of multi-layer color zirconia is difficult to distinguish before ceramic blocks are not completely sintered in the prior art, and further the difficulty is brought to the preparation of zirconia dentures with different colors. The technical scheme adopted for solving the technical problems is as follows: an embodiment of a first aspect of the present application provides a method for preparing a zirconia denture based on a visual tag, including: preparing ceramic blocks of different color systems based on different ceramic block formulas; Marking layering information on the porcelain blocks of each color system according to the porcelain block formula, wherein the layering information is used for indicating the positions and the proportion of each layer on the porcelain blocks; Acquiring a target denture color and a target artificial tooth height, determining a target color system corresponding to the target denture color based on a color comparison plate, and selecting a target ceramic block corresponding to the target color system and the target artificial tooth height from ceramic blocks of each color system; determining a color difference between a target denture color and a target color system, and determining a target porcelain block with target thickness based on the color difference; And determining an incisor position based on the target artificial tooth height, the target artificial tooth color and the layering information, and processing the target porcelain block with the target thickness based on the incisor position to obtain the target zirconia artificial tooth. According to the technical means, the positions and the proportion of the layers on the porcelain block are indicated by carrying the mark, so that the gradual change effect areas of the multi-layer color zirconia can be distinguished on the porcelain block, the target color false tooth can be processed according to the positions and the proportion of the layers, color deviation is avoided, and the difficulty in preparing the zirconia false tooth with different colors is reduced. Alternatively, in one embodiment of the present application, the preparation of tiles of different color families based on different tile formulations includes: Based on different porcelain block formulas, carrying out gradient powder spreading and isostatic compaction on the powder to obtain a molded blank; And pre-sintering the molded green body to obtain ceramic blocks with different color systems. According to the technical means, the ceramic block is a pre-sintered product, the pre-sintered product can enhance the strength and hardness of the ceramic block product, color change can not be generated, the ceramic block product is transported to a denture processing party, and then the denture processing party is convenient to select a ceramic block with a proper color according to the tooth color and shape of a person for CAD/CAM turning. Optionally, in an embodiment of the present application, the layering information includes layering boundaries and/or colors corresponding to the layers after final sintering. According to the technical means, the layering information marked on the porcelain blocks can help denture processing personnel to cut and process according to the natural structure of teeth, so that the dentures show similar gradual change effect, the dentures are more lifelike in color and more natural in transparency, and the attractiveness of the dentures is improved. In addition, the application can select proper parts for cutting according to layering information, and can fully play the performanc