
What Is Interproximal Reduction (IPR), and Is Filing Between Teeth During Invisalign Safe?
Interproximal reduction, or IPR, is the careful, precise removal of a small amount of enamel from between two teeth — often less than half a millimeter — to create a bit of extra room during Invisalign treatment. Done correctly by a trained orthodontist, it’s a safe, well-established technique that doesn’t





