Compare the 2 most common filling materials

SILVER AMALGAM                                   

• Silver-grey colour.                        
• Contains mercury.
• Has been used for over 100 years.
• Requires removal of healthy tooth structure for retaining the filling.
• Is the best material for large fillings in back teeth after gold.
• Takes less time to place than a similar composite filling.
• Cheaper than composite for a similar sized filling.