Role of Mineral Trioxide Aggregate (MTA) and Calcium Hydroxide in Conservative Dentistry as Pulp Capping Material: A Review

The main purpose of this article is to review the properties and clinical applications of calcium hydroxide and Mineral Trioxide Aggregate in conservative dentistry including its antibacterial effect activity for protection of the dental pulp. Therefore, in latest years, the use of calcium hydroxide or mineral trioxide aggregate in indirect and direct pulp capping was one of the most popular lining materials for protection of the pulp in dentistry. Both materials showed a high success rate for reparative dentin when used as pulp capping. In general, the priority the procedure of placement material for pulp protection as pulp capping, indirect or direct must be clinically no pain, no radiographic exchange in pre-apical area and vital tissue of the pulp.