Lecturer
Dental cements have been widely used in various clinical applications since the early twentieth century. They are used as filling materials, protective cavity liners, luting materials for crowns, bridges, inlays and orthodontic appliances, root canal fillings, and pulp capping. Various types of cements are available for different purposes. Dental cements are mainly used to provide protection to the pulp against irritants as the following: 1. Thermal protection against temperature changes. 2. Electrical protection against galvanic currents. 3. Mechanical protection during various restorative procedures. 4. Chemical protection from toxic components. 5. Protection from microleakage interface between tooth and the restoration...........
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