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Introduction and the History of Toothpaste

     China, Egypt and India used toothpaste long ago as 300/500 BC. They used abrasives, which contains crushed bones ,crushed egg, and oyster shells in toothpaste. Later toothpowders were used in toothpaste. Toothpowder contains powdered charcoal, powdered bark, and flavoring agents. By the early 1900's fluoride was added to toothpaste. By the 1980's calcium and triclosan was put in toothpaste. Fluoride and calcium were the most important ingredients in toothpaste. Fluoride and calcium help protect and strengthen teeth.