Formed body for dental department and resin material for dental department

A technology of resin materials and moldings, applied in the direction of dental prosthesis, dentistry, dental preparations, etc., can solve the problems of low impact resistance, not reaching the stage of practical application, and easy damage

Inactive Publication Date: 2011-09-21
UNIX JAPAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Japanese Patent Application Laid-Open No. 2002-224144 has reported that polypropylene or polyethylene is used in denture beds or dental bed orthodontic devices, but the impact res

Method used

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  • Formed body for dental department and resin material for dental department
  • Formed body for dental department and resin material for dental department
  • Formed body for dental department and resin material for dental department

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0088] The dental resin material comprises the following components by weight ratio, which contains 80% polypropylene homopolymer, 19.84% ethylene-propylene copolymer, 0.1% magnesium stearate, 0.03% titanium oxide, and 0.03% pigment. The dental resin material provided above was prepared into a dental molded body, and the evaluation test of the dental molded body provided by the present invention is shown in Table 1.

[0089] Table 1 The results of the evaluation test of the dental molded body provided by the present invention

[0090]

Product of the present invention

polyamide

Mid)

PET+polyethylene

polycarbonate

Molding temperature, time

200~210℃

20 minutes

210~220℃

20 minutes

240°C

20 minutes

300℃

25 minutes

Ease of injection

◎Very easy to ejaculate

enter

◎Very easy to ejaculate

enter

○ Easier to shoot

enter

○ E...

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PUM

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Abstract

The invention discloses a formed body for a dental department and a resin material for a dental department. The material of the formed body for a dental department is resin material. The resin material comprises 65%-90% of polypropylene by weight, 7%-25% of polyethylene or ethylene alpha olefin copolymer by weight, 0.01%-2% of magnesium stearate by weight, 0.001%-1% of one or two of titanium oxide and ferric oxide, and 0.0001%-1% of pigment. The total content of said components is above 90%. Experimental results show that the formed body for a dental department and the resin material for a dental department disclosed in the invention are proper in bending strength, suitable for human hardness, difficult for miscellaneous bacteria breeding and high in safety. There is no resin anaphylactic reaction. Bisphenol A cannot be dissolved.

Description

technical field [0001] The invention relates to the technical field of materials, more specifically, to a dental molded body and a dental resin material. Background technique [0002] Dental moldings include denture beds, temporary crowns, artificial teeth, and orthodontic appliances, among which denture beds are representative. [0003] Conventionally, acrylic resins, polycarbonate resins, and the like have been used as resin materials for dental moldings. Acrylic resin has high water content, which is easy to breed miscellaneous bacteria; polycarbonate resin will dissolve bisphenol A, which disrupts endocrine. Japanese Patent Application Laid-Open No. 2002-224144 has reported that polypropylene or polyethylene is used in denture beds or dental bed orthodontic devices, but the impact resistance of polypropylene or polyethylene denture beds or dental bed orthodontic devices is small and easily damaged , therefore, has not reached the stage of practical application. Conte...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/06C08L23/08C08K13/02C08K5/098C08K3/22A61C13/08A61K6/884
CPCA61C13/0001A61K6/0094A61C7/08A61C13/087A61K6/08A61C5/10A61K6/0235A61K6/023A61C5/77A61K6/813A61K6/816A61K6/78A61K6/884C08L23/06
Inventor 安藤浩史
Owner UNIX JAPAN
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