investigation into electric toothbrush paste

tldr: "When I first bought an electric toothbrush on the advice of a dentist in January 2000, its instructions had a clear warning not to use any toothpaste that contained a whitening agent, because this can damage enamel when used with an electric brush."

gemini://tilde.pink/~ssb22/toothpaste.gmi

research science med dental inquiry product safety truth