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  • Cement dental materials, whose main components are silicate and zinc phosphate, designed to produce a mechanical interlocking effect upon hardening inside the mouth. These cements consist of calcium silicate, wollastonite, phosphoric acid, and dissolved metallic ions (e.g., zinc, aluminum) that are mixed together in a viscous paste immediately before use, setting to a hard mass. Silicophosphate composite cements have good esthetics, proper thermal and chemical resistance in the oral environment, mechanical strength, workability, and storage stability. They are used in dentists\' offices as temporary restorative materials and as cementing medium of orthodontic appliances (e.g., bands, brackets), for indirect restorations and also for porcelain crowns.
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