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Metal ceramic repairing body inner crown and preparation method thereof

A metal porcelain and restoration technology, applied in metal material coating process, dental prosthesis, dental prosthesis, etc., can solve the problems of less use range, poor nickel biocompatibility, darkening of gums and allergies

Inactive Publication Date: 2017-03-22
AI JIA DENTAL LAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Porcelain-fused-to-metal teeth are classified according to the material and manufacturing process of the inner crown. The gold alloy crown is better, and the gold content of the inner crown is more than 84%. Alloys, but due to the poor biocompatibility of nickel, it is easy to cause symptoms such as gum blackening and allergies after use; now the most widely used is titanium alloy, which has very good biocompatibility, and the physical and chemical properties of titanium More stable than nickel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for preparing a metal-ceramic restoration internal crown, comprising the following steps:

[0019] 1) Prepare a titanium alloy tooth base crown according to the dental model, put the tooth base crown into anhydrous ethanol ultrasonic frequency conversion cleaning for 3 minutes, then clean it with deionized water, dry it and put it in a vacuum chamber for fixing;

[0020] 2) Vacuumize the vacuum chamber to 4.0×10 -3 Pa, heat up to 200°C, and apply a bias voltage of -500V;

[0021] 3) Ar and N are introduced into the vacuum chamber 2 , the flow rate of Ar is 80sccm, N 2 The flow rate is 150 sccm. At the same time, the titanium arc target is turned on to deposit the TiN metal film on the titanium alloy tooth crown. The deposition time is 65 minutes, and the thickness of the TiN metal film is 8 μm. After gradually increasing the pressure and cooling down in the vacuum furnace, the titanium alloy tooth crown is taken out.

Embodiment 2

[0023] A method for preparing a metal-ceramic restoration internal crown, comprising the following steps:

[0024] 1) Prepare the titanium alloy tooth base crown according to the dental model, put the tooth base crown into anhydrous ethanol ultrasonic frequency conversion cleaning for 5 minutes, then clean it with deionized water, dry it and put it in a vacuum chamber for fixing;

[0025] 2) Vacuumize the vacuum chamber to 6.0×10 -3 Pa, heat up to 250°C, and apply a bias voltage of -600V;

[0026] 3) Ar and N are introduced into the vacuum chamber 2 , the flow rate of Ar is 100sccm, N 2 The flow rate is 200sccm. At the same time, the titanium arc target is turned on to deposit the TiN metal film on the titanium alloy tooth crown. The deposition time is 90 minutes, and the thickness of the TiN metal film is 20 μm.

Embodiment 3

[0028] A method for preparing a metal-ceramic restoration internal crown, comprising the following steps:

[0029] 1) Prepare a titanium alloy tooth base crown according to the dental model, put the tooth base crown into anhydrous ethanol ultrasonic frequency conversion cleaning for 3-5 minutes, then clean it with deionized water, dry it and put it in a vacuum chamber for fixing;

[0030] 2) Vacuumize the vacuum chamber to 5.0×10 -3 Pa, heat up to 225°C, and apply a bias voltage of -550V;

[0031] 3) Ar and N are introduced into the vacuum chamber 2 , the flow rate of Ar is 90sccm, N 2 The flow rate is 180sccm. At the same time, the titanium arc target is turned on to deposit the TiN metal film on the titanium alloy tooth crown. The deposition time is 80 minutes, and the thickness of the TiN metal film is 15 μm.

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PUM

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Abstract

The invention discloses a metal ceramic repairing body inner crown. A TiN metal film coats the surface of a titanium alloy root crown in a sputtering mode, and the TiN metal film is a yellow film, so that silver or grey white metal color of titanium alloy metal is covered, the metal color can be prevented from being exposed in the using process of a titanium alloy ceramic tooth, and the attractiveness of the ceramic tooth can be improved; in addition, the TiN metal film covers the surface of the titanium alloy root crown, so that the titanium alloy root crown is protected, finally, the TiN metal film can reduce the surface stress of the surface of the titanium alloy root crown, and the problem of crackling in the later-stage ceramic preparation process of the titanium alloy root crown can be avoided.

Description

technical field [0001] The invention relates to the technical field of metal porcelain, in particular to a metal porcelain restoration crown and a preparation method thereof. Background technique [0002] Tooth or dentition loss and defect are common and frequently-occurring diseases in humans. Tooth or dentition loss or defect affects people's chewing, pronunciation and other functions, as well as their appearance. With the development of society and the improvement of people's living standards , People are now paying more and more attention to the style and quality of dentures. Metal-ceramic restorations are made by applying dental ceramic materials on the surface of metal or alloy substrates and sintering under vacuum conditions. They are ideal permanent restorations for tooth or dentition loss or defect, and are widely used in the field of oral restoration. [0003] Porcelain-fused-to-metal teeth are classified according to the material and manufacturing process of the ...

Claims

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Application Information

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IPC IPC(8): A61C13/083C23C14/06C23C14/34
CPCA61C13/083A61C13/0006A61C2201/00A61C2204/00C23C14/0036C23C14/0641
Inventor 刘嘉
Owner AI JIA DENTAL LAB
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