Direct Dental Composites
Direct dental composites are placed by the dentist in a clinical setting. Polymerization is accomplished typically with a hand held curing light that emits specific wavelengths keyed to the initiator and catalyst packages involved. When using a curing light, the light should be held as close to the resin surface as possible, a shield should be placed between the light tip and the operator's eyes, and that curing time should be increased for darker resin shades. Light cured resins provide denser restorations than self-cured resins because no mixing is required that might introduce air bubble porosity.
Direct dental composites can be used for:
- Filling cavity preparations
- Filling gaps (diastemas) between teeth using a shell-like veneer or
- Minor reshaping of teeth
- Partial crowns on single teeth
Read more about this topic: Dental Composite
Famous quotes containing the words direct and/or dental:
“Science is a system of statements based on direct experience, and controlled by experimental verification. Verification in science is not, however, of single statements but of the entire system or a sub-system of such statements.”
—Rudolf Carnap (18911970)
“[T]hose wholemeal breads ... look hand-thrown, like studio pottery, and are fine if you have all your teeth. But if not, then not. Perhaps the rise ... of the ... factory-made loaf, which may easily be mumbled to a pap betweeen gums, reflects the sorry state of the nations dental health.”
—Angela Carter (19401992)