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Zirconium dioxide all-ceramic tooth through 3D printing and preparation method thereof

A zirconium dioxide, 3D printing technology, applied in 3D printing, dental preparations, dentures, etc., can solve problems such as difficult processing, and achieve the effects of easy implantation, enhanced fixation, and good physical and chemical properties

Pending Publication Date: 2018-05-08
广西深雅医疗科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with metal dentures, zirconia-based ceramic dentures based on 3D printing maintain the high hardness and wear resistance of ceramics, and at the same time solve the shortcomings of traditional ceramic dentures that are difficult to process

Method used

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  • Zirconium dioxide all-ceramic tooth through 3D printing and preparation method thereof
  • Zirconium dioxide all-ceramic tooth through 3D printing and preparation method thereof
  • Zirconium dioxide all-ceramic tooth through 3D printing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 As shown, the 3D printed zirconia all-ceramic tooth of the present invention includes a denture body 1 and a set of connecting rods 2, and the middle part of the lower surface of the denture body 1 is provided with a set of connecting grooves 3 with openings vertically downward. The inner surface of the connecting groove 3 is provided with an internal thread 4; the upper end of the connecting rod 2 is provided with an external thread 5 whose shape is matched with the internal thread 4, and the upper end of the connecting rod 2 can be screwed into the interior of the connecting groove 3 through the external thread 5. Thread 4, so that the connecting rod 2 is detachably connected with the denture body 1; the lower end of the connecting rod 2 is hook-shaped, and the lower end of the connecting rod 2 can hook the ravine in the root canal, and then the root canal is filled to make the lower end of the connecting rod 2 Connect the root canal, thereby fixing t...

Embodiment 2

[0050] Such as figure 2 As shown, the 3D printed zirconia all-ceramic tooth of the present invention includes a denture body 1 and two sets of connecting rods 2, and the lower surface of the denture body 1 is provided with two sets of connecting grooves 3 with openings vertically downward, connecting The inner surface of the groove 3 is provided with an internal thread 4; the upper end of the connecting rod 2 is provided with an external thread 5 whose shape is matched with the internal thread 4, and the upper end of the connecting rod 2 can be screwed into the internal thread of the connecting groove 3 through the external thread 5 4, so that the connecting rod 2 is detachably connected with the denture body 1; the lower end of the connecting rod 2 is hook-shaped, and the lower end of the connecting rod 2 can hook the ravine in the root canal, and then the root canal is filled to connect the lower end of the connecting rod 2 root canal, thereby fixing the connecting rod 2 an...

Embodiment 3

[0062] Such as image 3 As shown, the 3D printed zirconia all-ceramic tooth of the present invention includes a denture body 1 and two sets of connecting rods 2. The lower surface of the denture body 1 is provided with two sets of connecting grooves 3 opening downwards. The connecting groove 3 is obliquely and symmetrically arranged, and the inner surface of the connecting groove 3 is provided with an internal thread 4; the upper end of the connecting rod 2 is provided with an external thread 5 whose shape matches the internal thread 4, and the upper end of the connecting rod 2 can pass through the external thread 5 screw into the internal thread 4 of the connecting groove 3, so that the connecting rod 2 is detachably connected with the denture body 1; Tube filling makes the lower end of the connecting rod 2 connect to the root canal, thereby fixing the connecting rod 2 and the denture body 1;

[0063] The denture body 1 and connecting rod 2 are prepared from zirconia composi...

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Abstract

The invention discloses a zirconium dioxide all-ceramic tooth through 3D printing. The zirconium dioxide all-ceramic tooth through 3D printing comprises a false tooth body and connection rods, and connection grooves with downward openings are formed in the false tooth body; the upper ends of the connection rods are connected with the false tooth body through the connection grooves, the lower endsof the connection rods extend into the root of an incomplete tooth and are connected with root tubes, and accordingly the false tooth body is fixed. According to the zirconium dioxide all-ceramic tooth through 3D printing, the false tooth body and the connection rods are prepared by zirconium dioxide composite powder through a 3D printing technology, the nanoscale zirconium dioxide powder is adopted as a main material, the tooth has good biocompatibility and is not easily dissolved and deformed in the oral cavity, and the service life of the false tooth body is prolonged; the tooth is preparedby adopting the 3D printing technology, the product precision is high, the production period can be shortened, and the workload can be reduced; the false tooth body can be disassembled from the connection rods, and the tooth is convenient to replace, easy to clean and repair and wide in suitable population range.

Description

technical field [0001] The invention relates to the technical field of dental medical equipment, in particular to a 3D printed zirconia all-ceramic tooth and a preparation method thereof. Background technique [0002] The root of the tooth is the part of the tooth buried in the gum, also known as the tooth root. Teeth are an important part of the oral cavity and are the masticatory organs of the human body. The incidence of dental disease is on the rise with age. However, suffering from "tooth decay" (caries) is not treated in time, and as a result most of the teeth are damaged, and some people easily pull out the remaining stump roots. For many years, people think that it is a matter of course to extract the residual tooth roots in the oral cavity and then install the teeth. In fact, it is not the case. Pulling out the residual tooth roots will easily cause facial muscles to collapse, causing uneven force on the roots of other teeth, and other teeth will slowly recover. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C13/00A61C13/083B33Y10/00B33Y50/02A61K6/02A61K6/04
CPCA61C13/0019A61C13/083B33Y10/00B33Y50/02A61K6/818A61K6/84
Inventor 韦赞军
Owner 广西深雅医疗科技股份有限公司
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