Whitening Teeth and Eggs
Fluoride whitens teeth.
A hard boiled with its white egg shell
Coke (any black drink)
Any fluoride Tooth Paste
Old Tooth Brush
Leave the egg in a glass in coke in a glass bottle for a day. Note the difference in the egg shell after a day. Clean the egg shell with toothpaste and tooth brush.
# 1 After a day the white egg shell was discolored and turned brown.
#2 When rubbed with fluoride tooth paste with a tooth brush the egg shell turned white again.
Fluoride helps clean and whiten teeth.