|MadSci Network: Medicine|
Well, it does all those things the same way, and that is by acting as a mild polishing agent. Toothpastes contain mild abrasives that remove bacteria, tartar and food from the gums and dental surfaces. It is the bacteria that cause tooth decay as well. By removing both the agent (bacteria) and its food source tooth paste helps prevent tooth decay, the formation as tartar, and scrubs your teeth clean. Dave
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