CAVITY SEALERS, LINERS, AND BASES - CURRENT PHILOSOPHIES AND INDICATIONS FOR USE

Traditional dental education has recommended the generous use of bases and liners under amalgam restorations, primarily to prevent postopera tive sensitivity. However, new developments in bases and liners, as we ll as a better understanding of pulp biology, have changed the indicat ions for the use of these materials. Understanding the properties of c urrently available materials and how they interact with pulpal tissues can help the practitioner decide when to use bases and liners and whi ch products to choose.