A 24-year-old female asked:
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what is clear retainer made of? i know it's plastic,but would like to know details to look up the potential toxicity.

3 doctor answers
Dr. Paul Grin
Dr. Paul Grin answered
35 years experience Pain Management
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 on Sep 11, 2016
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1 comment
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1 thank
Dr. Robert Douglas
50 years experience Orthodontics
Many orthodontic retainers are made of methyl methacrylate.
Sep 11, 2016
Dr. Theodore Davantzis
39 years experience Dentistry
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 on Aug 2, 2015
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1 thank
Dr. Arnold Malerman
52 years experience Orthodontics
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 on Aug 3, 2015

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