Cyclic aldehyde acetal used as initiator aid of dental filling visible light curing filling compounding material
Patent Information
- Authority / Receiving Office
- CN ยท China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- WUHAN UNIV
- Publication Date
- 2006-01-25
- Estimated Expiration
- Not applicable ยท inactive patent
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Abstract
Description
technical field
[0001] The invention relates to the use of cyclic acetal as a co-initiator for visible light curing filling composite materials for filling teeth. Background technique
[0002] There are many types of dental restoration materials, among which amalgam and visible light curing filling composite materials are the most widely used. Silver amalgam is gradually being eliminated due to environmental pollution and toxicity to the human body. Sweden banned the application of silver amalgam in dental restoration in the early 1990s, and then Australia, Germany and other European countries restricted the application of silver amalgam as a dental restoration material in children and pregnant women. Currently in the United States, amalgam accounts for about 25% of the usage. In developing countries, the use of silver amalgam is still very common. However, in recent years, due to the good aesthetics, convenient operation, strong adhesion to the tooth structure, and espec...