Search found 3 matches

by elaine
Mon Jun 23, 2008 12:15 pm
Forum: Invisalign-type Braces (Clear Aligners)
Topic: Possible candidate for Invisalign?
Replies: 7
Views: 2375

[quote="Meryaten"]If you do get an answer that you can treat the overcrowding without extractions, the important questions to pose (in the opinion of this non-dental professional) are how stable the results would be, and whether opening out the arches enough to alleviate the crowding witho...
by elaine
Tue Apr 29, 2008 2:02 pm
Forum: Invisalign-type Braces (Clear Aligners)
Topic: Bisphenol A (BPA)
Replies: 5
Views: 8404

Thank you. I will try to get a copy of the MSDS from my dentist. I am glad it is not BPA, but when you think about it, "Polyurethane from methylene diphenyl diisocyanate and 1,6-hexanediol" does not sound so wonderful, either. A little denial and hope for the best is needed, I guess. I pro...
by elaine
Mon Apr 28, 2008 4:12 pm
Forum: Invisalign-type Braces (Clear Aligners)
Topic: Bisphenol A (BPA)
Replies: 5
Views: 8404

Bisphenol A (BPA)

I have been searching online and have not been able to get a definitive answer on whether Invisalign aligners contain bisphenol A (BPA) the polycarbonate plastic that has just been banned in Canada. Does anyone here know anything about this?

Thanks.