cement

n 1. any of a group of materials used in dentistry either as fillings or as LUTE for crowns. GLASS IONOMER cements are used for filling, and zinc phosphate, zinc polycarboxylate, and glass ionomer cements are used for luting. Zinc oxide-eugenol cements are widely used as temporary fillings or as an impression material. 2. a fast-setting material used to fix prostheses (e.g. artificial hips) in place. see CEMENTUM