The aligners are shipped to your doctor's office, where they check the fit and may add "attachments" (small tooth-colored bumps) to help move your teeth precisely. 2. Invisalign vs. Online Aligner Brands
While you can't buy Invisalign online, you may see other "mail-order" brands that offer at-home teeth straightening. These are Invisalign and differ in several ways: can i buy invisalign online
Invisalign® Clear Aligners & Teeth Straightening | Invisalign.com The aligners are shipped to your doctor's office,