In general, stainless steel crowns are used for children's teeth because they don't require multiple dental visits to put in place and so are more cost- effective than custom-made crowns and prophylactic dental care needed to protect a tooth without a crown.
Phosphorus comes from many places. You might think that the biggest sources of phosphorus are the obvious onesâsewage treatment plants, chemical factories, and the like. But in fact, identifiable sources such as these contribute less than 20% of the phosphorus in the river.
Phosphorus is in almost all animal and vegetable foods and is often found in foods that contain calcium. Milk and dairy products, fish bones (such as in canned salmon and sardines), and dark-green, leafy vegetables are the best sources of calcium.Magnesium, like phosphorus, is abundant in animal and plant cells.hree mineralsâ calcium, phosphorus, and magnesiumâaccount for 98% of the bodyâs mineral content by weight. Calcium and phosphorus play basic roles in countless biochemical reactions at the cellular level.