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A member asked:
What is clear retainer made of? i know it's plastic,but would like to know details to look up the potential toxicity.
9 doctors weighed in across 3 answers
PVC: This is a polypropylene or polyvinylchloride material, typically .020" or .030" thick. PVC only releases dioxin if it is not incinerated properly. It is not the case in orthodontics. All orthodontic materials used are CE and FDA approved Dental Clinic Products. Ask your orthodontist for more information. Nothing to be concerned.
Answered 9/11/2016
3.6k views
Invisalign MSDS: Polyurethane from methylene diphenyl diisocyanate and 1, 6-hexanediol. CAS# 137873-51-9 The above material is listed on the MSDS from the align website. You should ask the dentist who is fabricating your clear retainer to advise you what material is being used.
Answered 8/2/2015
3.6k views
Not toxic: There are more than 1 kind of clear retainers, with differing chemical formulas. All are non-toxic and FDA approved. Multiple hundreds of thousands of patients have been successfully treated with no adverse (toxic) effects. Please don't worry.
Answered 8/3/2015
2.5k views
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