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Light curing of a dental filling material. A dental curing light is a piece of dental equipment that is used for polymerization of light-cure resin-based composites. [1] It can be used on several different dental materials that are curable by light. The light used falls under the visible blue light spectrum. This light is delivered over a range ...
A glass ionomer cement (GIC) is a dental restorative material used in dentistry as a filling material and luting cement, [1] including for orthodontic bracket attachment. [2] Glass-ionomer cements are based on the reaction of silicate glass-powder (calciumaluminofluorosilicate glass [3]) and polyacrylic acid, an ionomer.
Light-cured – required a curing lamp to complete set; Dual-cured – can be light cured at the restoration margins but chemically cure in areas that the curing lamp cannot penetrate; Self-etch – these etch the tooth surface and do not require an intermediate bonding agent; Resin cements come in a range of shades to improve aesthetics. [8]
To induce the release of these free radicals, the photoinitiator must be exposed to a specific wavelength of light, blue light in the case of camphorquinone. [ 1 ] [ 3 ] There is a second less significant acid-base setting reaction which takes place after the light-cured polymerisation reaction; this setting reaction occurs as the compomer ...
A photopolymer or light-activated resin is a polymer that changes its properties when exposed to light, often in the ultraviolet or visible region of the electromagnetic spectrum. [1] These changes are often manifested structurally, for example hardening of the material occurs as a result of cross-linking when exposed to light.
Light curing of a dental filling material to be tested. Today, the Institute maintains its competency in the accredited testing of dental biomaterials, and promotes this activity with manufacturers and regulatory bodies. Before 2004, had the responsibility as a Notified Body for the use of the CE mark on dental products. The provision of an ...
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