Hardness with „light“ Initiator: CQ camphor quinone Inhibitor: DMAEMA 2-(N,N – dimethylamino) ethyl methacrylate Source of UV light Hardness with „heat“ Initiator: DBP dibenzoylperoxide Source of heat: drying kiln
Main problem about PDMA !!!SHRINKAGE!!! Because it is mainly used as dental resin for crowns and bridges. If we are making teeth and other dental denture, we are affraid of its shrinkage. Shrinkage can destroy denture, can cause several illnesses. Making and Using
Kinds of them PMMA Silicon dioxide Material with specific surface Why filling matterials shrinkage will be smaller resin will keep its shape
Volume vs. Strength getting higher volume can lead to inferior or lower strength As You can see on samples
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