3 ms·Besides containing Teflon, those coated flosses just don't work as well.by mimixco 8y agoBesides containing Teflon, those coated flosses just don't work as well.glennon 8y agoFor me, most dental floss shreds between one particularly irksome pair of teeth in my mouth. So Glide-style floss is the only type that works.mimixco 8y agoI have that problem, too, but I'm not willing to put PTFE in my body over two crammed teeth. :-)