Desirable properties for a core material

• Compressive strength to resist intraoral forces
• Flexural strength to prevent core dislodgement during
function
• Biocompatibility with surrounding tissues
• Ease of manipulation
• Ability to bond to tooth structure, pins and posts
• Capacity for bonding with luting cement or having
additions made to it
• Coefficient of thermal expansion conductivity similar to
dentine
• Dimensional stability
• Minimal water absorption
• Short setting time to allow tooth preparation and core
placement to be carried out during the same visit
• No adverse reaction with temporary crown materials or
luting cements
• Cariostatic potential
• Low cost
• Contrasting colour to tooth tissue unless being used for
anterior cores