Last Updated: 8/4/2026
Are clear aligners BPA-free?.
Most major clear aligner brands are BPA-free, including popular orthodontic systems.
Are clear aligners BPA-free
Yes, clear aligners made by reputable orthodontic companies like Invisalign, SmileDirectClub, Candid, and AlignerCo are BPA-free.
Instead of bisphenol A resins, aligners are made from BPA-free, medical-grade polymers and plastics, most commonly .030 to .040 gauge polyurethane.
These durable, transparent and BPA-free materials are biocompatible with oral tissues, and undergo extensive safety testing before use in orthodontic appliances.
Are clear aligners more comfortable than braces?
Some benefits of BPA-free clear aligner materials:
Key Points
- Prevent exposure to hormone-disrupting chemicals from BPA that could leach into the mouth.
- Reduce risks of adverse health effects associated with BPA.
- Provide peace of mind to patients concerned about BPA exposure during treatment.
When choosing clear aligners, verify with your provider that BPA-free materials will be used for your health and safety.