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.
Sealed, pre-packed fresh pork cuts can be kept in the refrigerator 2 to 4 days; sealed ground pork will keep in the refrigerator for 1 to 2 days. If you do plan on keeping the raw, fresh pork longer than 2 to 3 days before cooking it, store it well-wrapped in the freezer.hat about freezing ham? The National Pork Board does not encourage freezing cooked ham, since it affects the quality and texture of the meat. However, leftover ham for use in soups or casseroles can be cut up into slices or cubes and stored in the freezer for 2 to 3 months.