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Preparation method for false tooth alloy material

An alloy material, denture technology, applied in the field of denture repair materials in dentistry, can solve problems such as hazards

Inactive Publication Date: 2016-01-20
谭华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aiming at the problem of expensive precious metal materials and the harm caused by non-precious metal alloys to the human body, the applicant provides a method for making a denture material with high strength, good corrosion resistance, and less harm to the human body

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The invention provides a method for preparing a denture alloy material, which contains the following components and mass percentages:

[0018] Co: 60%, Cr: 26%, Mo: 8%, W: 4.9%, C: 0.3%, B: 0.05%, Si: 0.5%, Fe: 0.05%, Mn: 0.2%;

[0019] The preparation method of described denture alloy material is:

[0020] (1) Melt the raw materials in a vacuum intermediate frequency induction furnace, test and adjust the ingredients after melting and mixing evenly, then keep warm for 30 minutes, then pour into the mold under the protection of nitrogen, and cool it to within 30 minutes through cooling water At room temperature, a rough ingot is obtained;

[0021] (2) Put the rough ingot obtained in step (1) into the vacuum intermediate frequency induction furnace again, raise the temperature to 850°C and keep it for 10 hours, then pour it into the mold under the protection of nitrogen, and let it cool for 80 minutes by cooling water Internally cooled to room temperature to obtain a f...

Embodiment 2

[0024] The invention provides a method for preparing a denture alloy material, which contains the following components and mass percentages:

[0025] Co: 62%, Cr: 25%, Mo: 5%, W: 6%, C: 0.4%, B: 0.08%, Si: 0.87%, Fe: 0.15%, Mn: 0.5%;

[0026] The preparation method of described denture alloy material is:

[0027] (1) Melt the raw materials in a vacuum intermediate frequency induction furnace, test and adjust the ingredients after melting and mixing evenly, then keep warm for 60 minutes, then pour into the mold under the protection of nitrogen, and cool it to within 40 minutes through cooling water At room temperature, a rough ingot is obtained;

[0028] (2) Put the rough ingot obtained in step (1) into the vacuum intermediate frequency induction furnace again, raise the temperature to 870°C and keep it for 5 hours, then pour it into the mold under the protection of nitrogen, and let it cool for 100 minutes by cooling water Internally cooled to room temperature to obtain a fi...

Embodiment 3

[0031] The invention provides a method for preparing a denture alloy material, which contains the following components and mass percentages:

[0032] Co: 61%, Cr: 24%, Mo: 7%, W: 6%, C: 0.5%, B: 0.1%, Si: 1%, Fe: 0.1%, Mn: 0.3%;

[0033] The preparation method of described denture alloy material is:

[0034] (1) Melt the raw materials in a vacuum intermediate frequency induction furnace, test and adjust the ingredients after melting and mixing evenly, then keep it warm for 40 minutes, then pour it into the mold under the protection of nitrogen, and cool it to within 40 minutes through cooling water At room temperature, a rough ingot is obtained;

[0035] (2) Put the rough ingot obtained in step (1) into the vacuum intermediate frequency induction furnace again, raise the temperature to 860°C and keep it for 8 hours, then pour it into the mold under the protection of nitrogen, and let it cool for 90 minutes by cooling water Internally cooled to room temperature to obtain a fi...

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PUM

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Abstract

A preparation method for a false tooth alloy material comprises the particular steps that (1) raw materials are put into a vacuum medium-frequency induction furnace to be melted, the heat is kept for 30-60 min, then the materials are poured into a mold and cooled for 30-40 min through cooling water to the room temperature, and a rough ingot is obtained; (2) the rough ingot is put into the vacuum medium-frequency induction furnace again, the temperature is raised to 850-870 DEG C and kept for 5-10 h, then the rough ingot is poured into a mold and cooled for 80-100 min through cooling water to the room temperature, and a fine ingot is obtained; (3) the fine ingot is subjected to aging treatment, and is firstly kept at the temperature of 200-250 DEG C for 10-12 h, then the temperature is raised to 500-570 DEG C and kept for 5-8 h, and the temperature is slowly decreased to the room temperature at the speed of 2-3 DEG C / min. The preparation method for the false tooth alloy material is high in strength, good in corrosion resistance and small in harm to the human body, thereby solving the problems that precious metal is expensive, and non-precious alloy harms the human body.

Description

technical field [0001] The invention relates to the technical field of medical materials, in particular to a material for denture restoration in dentistry. Background technique [0002] Dentures are used for the restoration and replacement of missing, missing or dentition teeth, as well as for oral health and orthodontics. With the improvement of people's living standards and the development of stomatology, the clinical demand for high-tech oral material products has increased significantly. [0003] At present, the metals used for denture materials at home and abroad are mainly precious metal porcelain teeth, Ni-Cr alloys, Co-Cr alloys, and titanium alloys. The non-toxic, non-irritating and good biocompatibility of precious metal porcelain teeth are unanimously sought after by the industry, but the processing technology and composition ratio of this type of alloy are very particular. At present, only Germany and the United States are producing it, and its high price also m...

Claims

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Application Information

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IPC IPC(8): C22C19/07C22C1/02C22F1/10
Inventor 谭华
Owner 谭华
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