I've read reviews of this dispenser falling apart and all I can say is that those reviewers either got bad examples or they just didn't care. Pull the filament across the cutter in an arc that is parallel to the dispenser cap and you should have no trouble getting it to work properly. Check out the attached image to see what I mean. This thread seems to be very strong. I have a few rough crown edges that tear it a bit, but I can still use it in those areas without breaking through. I gave it 5 stars for taste which is a bit ironic because it's tasteless. . I actually prefer unscented ones because there's no perfume to mask the smell of gum problems (yes, it's gross, but it's actually better to notice gum disease so you can do something about it).
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