Even the best brushers have to go to the dentist to perfectly polish their teeth into their glossiest state. This is essential to prevent plaque and bacteria from clinging to an otherwise rough, substrative surface. However, the polishing pastes have their downside.
Although capable of making teeth look and feel super-smooth, these pastes can go a little too far, exfoliating away enamel and even dentin. However, this phenomenon has been difficult to assess and thus difficult for paste manufacturers to correct, because until recently, scientists had no objective method of measuring this kind of abrasion.
Once German mechanical engineers were able to perfect an analyzing system, manufacturers were able to start working on better-balanced polishing pastes that remove superficial stains and plaque without wearing down enamel. Although these gentler pastes may not work for those with extreme discoloration or plaque, they will likely do the trick for the average dental patient, leaving their teeth both smoother and stronger than in the past.
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