Four Astonishing Substitutes for Oral Hygiene Products Used Around the World

1) Crushed Bones and Oyster Shells as Toothpaste –   At the time of the Greek and Roman civilizations, Colgate and Crest weren’t around. But, the Greeks and Romans were still very concerned about oral hygiene, so they went ahead and invented their own toothpaste. They knew that a toothpaste had to be abrasive to get any…

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