Metal braces require frequent trips to the dentist and uncomfortable fit adjustments as your treatment advances. At the beginning of Invisalign treatment, your dentist uses special digital technology to design your treatment plan, including the number of aligners needed. They’ll check the fit of your first set of aligners when they arrive from the Invisalign lab.rnrnThen you:rnu003culu003ern tu003cliu003eTypically only need check-ups about every six weeks so we can check your progressu003c/liu003ern tu003cliu003eSimply swap out your upper and lower aligners for the next two alignersu003c/liu003ern tu003cliu003eComplete your treatment in months, not yearsu003c/liu003ernu003c/ulu003e