At age six or seven, the first adult (or permanent) teeth come in. They come in at the back of the mouth, behind the last baby (or primary) teeth. They do not replace any primary teeth. Also at around age six, children start to lose their primary teeth.
soy lecithin is used in foods across the board from creamy foods like bottled salad dressings to tea to chocolate to infant formula soy lecithin is what gives chocolate the smooth creaminess we all love and i have even found soy lecithin in organic chocolate chips and chocolate bars
Lecithin is used in many foods as an emulsifying agent (emulsifiers help keep the fat from separating). The richest natural sources of lecithin are from foods which are also high in fat, such as eggs and beef liver, but other foods such as peanuts, beef steak and some fruits and vegetables are lesser sources.