Dual-curing dental composite resin

A composite resin and dual-curing technology, applied in dentistry, dental preparations, dental prostheses, etc., can solve the problems of resin yellowing, dental dual-curing resin yellowing, tertiary amine instability, etc., and achieve the effect of reducing yellowing

Active Publication Date: 2014-08-13
吉林省登泰克牙科材料有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The main disadvantage of dental dual-cure resins is yellowing, which has always been a major research topic in dental materials science
The main factor causing the yellowing of dental dual-curing resin is the self-curing initiator. In the current peroxide-tertiary amine system, the tertiary amine is unstable, which will cause the resin to turn yellow after curing.

Method used

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  • Dual-curing dental composite resin
  • Dual-curing dental composite resin
  • Dual-curing dental composite resin

Examples

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Embodiment Construction

[0023] The dual-curing dental composite resin material of the present invention can be described by the following examples 1 to 10. In the illustrated examples, three representative types of thiourea, acetylthiourea and tetramethylthiourea are selected. reducing agents, but are not limited to these examples. Comparative Examples 1 and 2 give dental composite resin materials different from the self-curing initiator (peroxide-tertiary amine system) of the present invention, and a comparison of properties. Acrylate monomers (referred to as monomers, consisting of monomer A, monomer B, and monomer C), self-curing initiators, photocuring initiators and inorganic fillers and their mass parts in each embodiment are listed in Table 1 middle.

[0024] The ratio of monomer A, monomer B, monomer C, oxidizing agent, reducing agent and photocuring initiator in component 1 and component 2 is shown in Table 2, and the ratio of inorganic filler in component 1 and component 2 is as follows T...

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Abstract

The invention discloses a dual-curing dental composite resin, and belongs to the technical field of dental prosthetic materials. The dental composite resin is packaged in two doses; the component 1 comprises an acrylics monomer, an inorganic filler and an oxidizing agent; the component 2 comprises an acrylics monomer, an inorganic filler and a reducing agent; a UV-curable initiator and a dye exist in the component 1 and/or the component 2. The traditional peroxide-tertiary amine system is replaced with a novel oxidation-reduction initiator system and a diacetyl acetone copper-thiourea system, so that anthochromia caused by the initiator after the resin is cured can be significantly weakened.

Description

technical field [0001] The invention belongs to the technical field of dental restorative materials, in particular to a novel dental dual-curing resin. technical background [0002] Dental dual-curing resin is a widely used and convenient dental restoration material, which can be cured by light or self-cured without light source and energy; it can be used as filling resin, post-core resin, and widely used in bonding. [0003] The main disadvantage of dental dual-cure resins is yellowing, which has always been a major research topic in dental materials science. The main factor causing the yellowing of dental dual-curing resins is the self-curing initiator. In the current peroxide-tertiary amine system, the tertiary amine is unstable, which will cause the resin to turn yellow after curing. There are usually several ways to reduce yellowing. One of the methods is to reduce the amount of self-curing initiator, which is currently used by most manufacturers, but it also prolong...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K6/083A61K6/027C08F4/40C08F2/48
Inventor 闫鹏涛穆琪闫刚马荣堂
Owner 吉林省登泰克牙科材料有限公司
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