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injection molding machine

A molding machine and air pressure cavity technology, which is applied in the direction of molded cups, dental prostheses, dental nerve needles, etc., can solve problems such as operator and environmental hazards, poor durability, and hidden health risks of silver amalgam

Active Publication Date: 2019-12-10
YUNAN JINGCHUANG LIQUID METAL THERMAL CONTROL TECH RES & DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The first purpose of the present invention is to provide a liquid metal alloy tooth filling material that is healthy, non-toxic, fast in curing and setting time, excellent in mechanical properties and can prolong its service life, so as to solve the problems of health hazards and poor mechanical properties of existing silver amalgams. And the problem of easy wear and tear of composite resin and poor durability
[0006] The second object of the present invention is to provide a method for preparing a liquid metal alloy dental filling material that is healthy, non-toxic, fast in setting time, excellent in mechanical properties and prolongs its service life, so as to solve the problems caused by the existing amalgam preparation methods. Problems that are extremely harmful to the operator and the environment

Method used

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Embodiment 1

[0033] On the one hand, the embodiment of the present invention provides a liquid metal alloy tooth filling material, comprising the following components in terms of mass fractions: 32-60 parts of Bi, 4-20 parts of Al, 28-48 parts of Zn, 7-48 parts of Sn, Nb 1-12 parts. Wherein, Bi is bismuth, Al is aluminum, Zn is zinc, Sn is tin, and Nb is niobium. Specifically, the ratio ranges of the above five components can be selected according to actual implementation conditions. The bismuth-based eutectic alloy prepared by using the above five substances is used as a tooth filling material. Because of the bismuth element, the tooth filling material has the advantages of wear resistance and compressive strength, and has a long service life; at the same time, the liquid metal alloy tooth filling The material is healthy and non-toxic, and the curing and setting time is fast, which is beneficial to reduce the working time of tooth restoration; after filling, the volume remains unchanged, ...

Embodiment 2

[0056] An embodiment of the present invention provides a liquid metal alloy tooth filling material, comprising the following components in terms of mass fractions: 40-50 parts of Bi, 10-15 parts of Al, 20-30 parts of Zn, 20-30 parts of Sn, 2-30 parts of Nb 5 parts, and the reasonable ratio of each component can be selected according to the actual implementation conditions. The bismuth-based eutectic alloy containing the above components is used as a dental filling material, which is healthy and non-toxic, and has a fast curing and setting time; the volume remains unchanged after filling, and the effect of sealing with the cavity is good, which effectively improves the dental restoration effect; at the same time, the liquid metal alloy The dental filling material is bright white and beautiful in appearance, has strong corrosion resistance, and is not easily corroded or dissolved by saliva; in addition, because of the bismuth element, the dental filling material has the advantage...

Embodiment 3

[0059] The embodiment of the present invention provides a liquid metal alloy tooth filling material, comprising the following components in terms of mass fractions: 46 parts of Bi, 10.6 parts of Al, 8.8 parts of Zn, 29.2 parts of Sn, and 5.4 parts of Nb. The liquid metal alloy dental filling material prepared in this example is tested, and its performance parameter values ​​are specifically referred to in Table 1, wherein the compressive strength is 22Mpa, and the tensile strength is 20Mpa. The dental filling material is more wear-resistant and compressive. Advantages, and has good physical properties, which is beneficial to prolong the service life.

[0060] Table 1 Performance parameter values ​​of dental filling materials

[0061]

[0062] Other technical solutions are the same as those in Embodiment 1, and will not be described again to avoid repetition.

[0063] To sum up, the present invention provides a liquid metal alloy tooth filling material, specifically, the to...

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Abstract

The invention relates to the technical field of medical materials and equipment, in particular to a liquid metal alloy tooth-filling material and a preparation method thereof and an injection moldingmachine. The liquid metal alloy tooth-filling material specifically comprises the following components of, by mass, 32-60 parts of Bi, 4-20 parts of Al, 28-48 parts of Zn, 7-48 parts of Sn and 1-12 parts of Nb. A bismuth-base eutectic alloy containing the components is used as the tooth-filling material, healthy and non-toxic effects are achieved, solidification and shaping time is short, and reducing of working time for dental restoration is facilitated; after filling, the size is not changed, the sealing effect of the tooth-filling material and a cavity is good, and the dental restoration effect is effectively improved; at the same time, the liquid metal alloy tooth-filling material has bright and white and attractive appearance and high corrosion resistance and is not easy to corrode ordissolve by saliva; and in addition, due to the fact that a bismuth element is arranged, and the tooth-filling material has the advantages of being more high in abrasion resistance and compressive strength and long in service life.

Description

technical field [0001] The invention relates to the technical field of medical materials and equipment, in particular to an injection molding machine. Background technique [0002] Teeth are the only vital organs in the human body that cannot be repaired independently. Among the hazards of teeth, the most common ones are dental caries, wedge-shaped defects, etc. The repair of teeth can only rely on the deployment of filling materials to fill the cavities of teeth. Make repairs. [0003] Currently the most commonly used filling materials are amalgam (silver amalgam) alloy and composite resin, but both of the above two filling materials have some defects. Amalgam (silver amalgam) has been widely used as a dental filling material for more than a century. Although the results are satisfactory, but because amalgam contains mercury, the human body inhales and absorbs the mercury vapor of amalgam, which is harmful to health. The potential harm of the amalgam and whether the amalg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C12/00C22C30/06C22C30/04C22C1/02A61K6/04A61C5/40
CPCA61C5/40A61K6/84C22C1/02C22C12/00C22C30/04C22C30/06
Inventor 姚海瑞刘眠盛磊刘静
Owner YUNAN JINGCHUANG LIQUID METAL THERMAL CONTROL TECH RES & DEV CO LTD
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