The civilized way to floss. A tiny, easily replaceable harp on the end of a stick. More hygienic (no fingers in your mouth), more effective at flossing the hard parts, more comfortable, easier to use.
NORTH LIBERTY — At the workbench in the basement of his North Liberty home, Mike Nicholls peers through an illuminated magnifying lens at an air-powered dental tool. “This one’s got a problem,” ...
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