Amalgam. 1  Made of: A mixture of silver, tin, zinc, copper and mercury. Mercury is nearly 50% of the mixture. 2  Types: Traditional (non-bonded) 3  Used for: Fillings in back teeth.  Lasts: At least 10 years, usually 1  longer. Costs: The least expensive type of restorative material.
How long does cold cut meat last in the fridge? A: Depending on the type of meat that is being used, cold cut deli meats can last anywhere from 5 days to 4 weeks. Meats that have been opened will not last as long as meats that have not been opened or disrupted.
Poultry/Ground Meats/Stew Meats/Lamb or Pork Chops: These raw ingredients can be kept, wrapped well, in the refrigerator for 1-2 days. Steak/Roasts/Large Cuts of Meat: These cuts of meat can be kept for up to 3-4 days in the refrigerator as long as they are wrapped tightly.