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Denture base resin and preparation method thereof

A technology of denture base resin and heat-setting denture powder, which is applied in dental preparations, pharmaceutical formulas, dental prostheses, etc., can solve problems affecting the normal use of dentures, denture base resin fractures, load sensitivity, etc., and achieve strengthening Internal Stability, Enhanced Crack Resistance and Toughness, Effect of Enhanced Toughness and Crack Resistance

Active Publication Date: 2021-10-15
杭州佳杰齿科有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Through the related technologies mentioned above, the denture base resin is more sensitive to repeated loads, which may easily cause the denture base resin to break and affect the normal use of the denture

Method used

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  • Denture base resin and preparation method thereof
  • Denture base resin and preparation method thereof
  • Denture base resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0050] Preparation example 1: a kind of thermal coagulation dental tray powder, the concrete component that comprises and weight are as shown in table 2, are made by the following steps: methyl methacrylate, initiator di-tert-butyl peroxide, butylbenzene The rubber is mixed and stirred, the stirring speed is 50r / min, the polymerization is carried out after the stirring is uniform, the polymerization temperature is 80°C, and the polymerization time is 6h. Drying for 20 hours under the hood to obtain heat coagulated toothpaste powder.

preparation example 2

[0051] Preparation example 2: a kind of thermal coagulation dental tray powder, the difference with preparation example 1 is that the weight of the specific components included is different, and the specific components included and the weight are as shown in table 2.

preparation example 3

[0052] Preparation example 3: a kind of thermosetting dental tray powder, the difference with preparation example 1 is that preparation steps are different, comprise the steps:

[0053] A1: methyl methacrylate and initiator di-tert-butyl peroxide are mixed and stirred, the stirring speed is 50r / min, after stirring evenly, heat at 75°C for 40min to obtain prepolymethyl methacrylate;

[0054] A2: Mix and stir the pre-polymethyl methacrylate and styrene-butadiene rubber in step A1, the stirring speed is 50r / min, carry out polymerization after stirring evenly, the polymerization temperature is 80°C, the polymerization time is 6h, and finally use a 60-mesh filter Filter, wash with water for 30 minutes, and dry at 60° C. for 20 hours to obtain heat-coagulated dental tray powder.

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Abstract

The invention relates to the technical field of denture production, and particularly discloses denture base resin and a preparation method thereof. The denture base resin is prepared from, by weight, 90-110 parts of thermal setting denture base powder, 80-100 parts of methyl methacrylate, 0.3-0.5 part of benzoyl peroxide, 0.1-0.4 part of dibutyl phthalate, 2-4 parts of pigment, 0.8-2 parts of anti-cracking agent and 0.5-1 part of halloysite powder; the anti-cracking agent comprises at least one of lignin fibers and glass fibers; the preparation method comprises the following steps: uniformly mixing the methyl methacrylate, the dibutyl phthalate, the benzoyl peroxide, the pigment, the anti-cracking agent and the halloysite powder to obtain the denture water; and mixing the denture water with the thermal setting denture powder at 30-50 DEG C, uniformly performing mixing, and allowing standing to a dough stage, so as to obtain denture base resin. The denture base resin provided by the invention has the advantage of good crack resistance.

Description

technical field [0001] The present application relates to the technical field of denture production, in particular to a denture base resin and a preparation method thereof. Background technique [0002] Dentures are what people often call dentures. When the dentition is damaged or missing, you need to wear dentures to restore normal chewing function. Dentures are composed of artificial teeth and bases. The bases connect artificial teeth together and artificial The chewing force borne by the teeth is evenly transmitted to the alveolar ridge; the main material of the current base is denture base resin. [0003] Denture base resins are mainly divided into heat-setting type, self-setting type, light-curing type, and thermoplastic injection type according to the curing method. Among them, heat-setting type denture base resin is currently a better base material, mainly composed of denture powder and nail powder. It is composed of methyl acrylate homopolymer or copolymer, tooth tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K6/898A61K6/76A61K6/80A61K6/831A61K6/884A61K6/887A61K6/71
CPCA61K6/887A61K6/80A61K6/898A61K6/884A61K6/831A61K6/76A61K6/71C08L33/12C08L9/06C08L97/00C08L97/02
Inventor 占戈付文涛章胜军
Owner 杭州佳杰齿科有限公司
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