Clear aligners vs. braces: which is safer for your health?
Knowledge-focused
Completed
This study looked at whether clear aligners (like Invisalign) release chemicals called bisphenol A (BPA) into saliva, which can affect hormones. Researchers compared three groups: aligners made by an orthodontist, standard aligners, and traditional braces. They measured BPA level…
Phase: NA • Sponsor: Ahmet Yağcı • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:51 UTC