This document discusses different types of dental cement. Type 1 cements include luting agents, class ionomer, composite resin, zinc oxide, and zinc phosphate cements. Type 2 cements are used for temporary restorations and are known as intermediate restoration materials. Type 3 cements include liners like glass ionomer, zinc oxide, and calcium hydroxide, as well as bases like zinc oxide eugenol, zinc phosphate, and polycarboxylate. Common dental cements discussed include calcium hydroxide, glass ionomer, composite resin, zinc oxide eugenol, zinc phosphate, and polycarboxylate.