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Dental Composite Types of synthetic resins, which are used in dentistry as restorative material or adhesives. Synthetic resins evolved as restorative materials since they were insoluble, aesthetic, and insensitive to dehydration and were inexpensive. Composite resins are most commonly composed of Bis-GMA monomers or some Bis-GMA analog, a filler material such as silica and in most current applications, a photoinitiator. Dental composites are classified based on the range of filler particle size.These include megafill, macrofill, midifill, minifill, microfill, and nanofill. Composites with mixed ranges of particle sizes are called hybrids, and the larges particle size range is used to define the hybrid type because microfillers are normally the second part of the mixture.
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