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This Concept Map, created with IHMC CmapTools, has information related to: CORE AND BASE, Glass ionomer cement ???? ????, BASES Materials used Glass ionomer and polycarboxylate cements, CORE Indication One-half or more of the clinical crown has been destroyed, Glass ionomer and polycarboxylate cements Advantages Adhesive properties that prevent dislodgement during tooth preparation, Composite resin core Advantages Polymerize quickly, Composite resin core Advantages Easily molded into large cavities, Tooth with significant remaining tooth structure Materials used Glass ionomer cement, BASES Indication direct/indirect pulp capping, Composite resin core Disadvantages High thermal expansion, eliminating undercuts produced by removing old restorations, One-half or more of the clinical crown has been destroyed Materials used Amalgam core, Composite resin core Disadvantages Not as dimensionally stable as amalgam, Amalgam core Disadvantages Dissimilar metals in contact, Severely damaged teeth with insufficient tooth structure for support will need Dental/Titanium Pins, Glass ionomer and polycarboxylate cements Advantages Non-irritating to the pulp, Composite resin core Disadvantages Decreased longevity, Tooth with significant remaining tooth structure Materials used Resin modified glass ionomer, BASES Indication preps with enough axial wall surface, CORE Indication Tooth with significant remaining tooth structure, Amalgam core Advantages provisional restoration for several weeks