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ZOE cements were introduced in the 1890s. Zinc oxide eugenol is also used as an impression material during construction of complete dentures and is used in the mucostatic technique of taking impressions, usually in a special tray, (acrylic) produced after primary alginate impressions. However, ZOE is not usually used if the patient has large ...
Zinc oxide eugenol constituents a mixture of zinc oxide and eugenol to form a polymerised eugenol cement. The setting reaction produces an end product called zinc eugenolate, which readily hydrolyses, producing free eugenol that causes adverse effects on fibroblast and osteoclast-like cells.
Zinc oxide-eugenol is often found as a two-paste material when used for temporary cementation. The paste containing zinc oxide often includes mineral or vegetable oils, and the eugenol has fillers incorporated into it to form the other paste. [1] Zinc oxide-eugenol may present as a powder that requires mixing with a liquid . The zinc oxide ...
Zinc oxide eugenol is usually used as a temporary filling/luting agent due to its low compressive strength making it easily removed, or as a lining for amalgam as it is incompatible with composites resins. [3] It is supplied as a two paste system. Equal length of two pastes are dispensed into a paper pad and mixed. [3]
Provisional cements should also be strong enough to avoid being deformed or fractured during the provisional period. [37] Zinc Oxide Eugenol (ZOE) temporary luting cements. These are commonly used because of their low tensile strength and lack of adhesion which provides ease of removal.
Temporary restoration is a temporary filling of a prepared tooth until permanent restoration is carried out. It is used to cover the prepared part of the tooth, in order to maintain the occlusal space and the contact points, and insulation of the pulpal tissues and maintenance of the periodontal relationship.