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sethnintendo said:
KLAMarine said:

I don't understand. Can't that plastic be re-used?

They heat plastic up to stamp it over model of printed teeth.  I've been told that type of plastic isn't recyclable once heated.  Pretty much everything is trash there and nothing is recycled.  Those printed models of teeth end up in trash too.  Only thing not sent to trash is the end product of clear braces.

Gotta get that plastic-eating bacteria on it pronto.