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[Clinical and experimental research on some toothpastes].

Authors assayed in vitro 9 toothpastes (signed A to I) against 8 types of microorganisms. Toothpaste D yielded best results, toothpastes A and B shown no antibacterial power; the other ones had intermediate degrees of effectiveness. Authors also performed an in vivo study testing 3 toothpastes on to 5 healthy volunteers, but results are not statistically significant.