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.
1 Raw and cooked meat should be stored separately. 2  Fresh meat will keep 3 - 5 days in the fridge. Cooked meat 5 - 7 days.  Depending on the cut, uncooked meat can be stored up to 6 months in the freezer. Larger cuts, like steaks and roasts, can be safely stored for up to 6 months.