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.
Red meat and pork can remain in the refrigerator up to 5 days and can be frozen for 4-12 months. Leftover cooked meat will last 3-4 days in the refrigerator and 2-6 months in the freezer. Ground meats (beef, veal, pork, or poultry) can be refrigerated for 1-2 days and frozen for 3-4 months.Lunchmeats and hot dogs will last two weeks in the refrigerator unopened and should be eaten within 3-5 days of opening (hot dogs can go a couple of days longer).In the freezer theyâll last 1-2 months. Bacon is safe to eat for up to a week in the fridgeâbut raw sausage should be eaten within two days.Both can be frozen for a month, and some sausage will freeze for twice as long. Eggs can be refrigerated for up to a month raw but no more than a week hard-boiled.n the freezer theyâll last 1-2 months. Bacon is safe to eat for up to a week in the fridgeâbut raw sausage should be eaten within two days. Both can be frozen for a month, and some sausage will freeze for twice as long.