The restorative dental materials are used to replace or repair the missing dental hard or soft tissues. These materials include dental cement, dental amalgam, resin-based composites, compomers, ceramics, metal ceramics, cast metals, and denture base polymers. A restorative material can be used for a temporary or provisional purpose (Temporary dental cement such as zinc oxide eugenol cement, temporary crown and bridge polymers) and permanent or long term application (dental cement, inlays, onlays, crown, bridges, dentures, and orthodontic appliances).