Apex inventor, entrepreneur is trying to re-invent the toothbrush

One of those signs, Walther said, occurred about a year ago when his Toof-inger Brush, designed to be held by two fingers, made its debut at an N.C. Dental Society meeting in Myrtle Beach, S.C. A dentist in his 70s approached Walther's modest booth, which was decorated with a single hand-colored poster that showed the gum lines and teeth enamel ... (more)

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