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Earth911
Jan 9, 2019, 5:00 am121 ptsBraces, expanders, headgear, retainers, and eventually, dentures. Over a lifetime, that’s lots of metal, plastic, and even precious metals and hazardous materials in our mouths. Except for the occasional broken retainer, most of our dental appliances are removed at the clinic. Where do they all go? Hazardous…
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