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Dental composite resins (better referred to as "resin-based composites" or simply "filled resins") are dental cements made of synthetic resins. Synthetic resins evolved as restorative materials since they were insoluble, of good tooth-like appearance, insensitive to dehydration, easy to manipulate and inexpensive.
A 2003 study showed that fillings have a finite lifespan: an average of 12.8 years for amalgam and 7.8 years for composite resins. [20] Fillings fail because of changes in the filling, tooth or the bond between them. Secondary cavity formation can also affect the structural integrity the original filling.
The cost is similar to composite resin. It holds up better than GIC, but not as well as composite resin, and is not recommended for biting surfaces of adult teeth, [22] or when control of moisture cannot be achieved. [23] [24] Generally, RMGICs can achieve a better aesthetic result than conventional GICs, but not as good as pure composites.
Resin cements are not cements in a narrow sense, but rather polymer based composite materials. ISO 4049: 2019 [4] classifies these polymer-based luting materials according to curing mode as class 1 (self-cured), class 2 (light-cured), or class 3 (dual-cured). Most of the commercially available products are class 3 materials, combining chemical ...
Compomers are resin-based materials like dental composites, and the components are largely the same.. The setting reaction is similarly a polymerisation process of resin monomers (e.g. urethane dimethacrylate) which have been modified by polyacid groups, and is induced by free radicals released from a photoinitiator such as camphorquinone.
Composite resin crowns, also called strip crowns, are made by curing composite resin within a clear plastic mold over a prepared tooth. [1] [2] They are widely used for restoring the primary anterior teeth (e.g. due to early childhood caries) and discolored teeth. These crowns are aesthetic, affordable, and conservative, requiring minimal ...