Module 5
Restorative Dentistry
The Aims of Restorative Dentistry
• To restore teeth and gums• To prevent the advance of caries
and periodontal diseases• To restore oral tissues to function,
comfort and aesthetically satisfactory appearance
Restorative Materials – Qualities Required
• Easy to mix and handle• Biocompatible• Good adhesion to dentine and enamel• Good adhesion to porcelain and metals• High compressive strength• Low film thickness• Adequate working time• Fast final set
Tooth Preparation
1. Caries removal• Minimal intervention• Endodontics• Cores & posts
2. Rubber Dam
3. Lining the cavity
Amalgam
• Silver tin alloy + mercury– Mercury hazard
• Procedure for placing a filling• Advantages• Disadvantages
Composite Filling Materials• Filler particles + resin + catalyst
• Classification
• Procedure for placing a filling
• Advantages
• Disadvantages
Glass Ionomer Cements
• Alumino silicates + polyacrylic acid– Auto-cured GIC– Light cured resin reinforced GIC– Silver reinforced GIC– Fissure sealants
• Uses• Advantages• Disadvantages