Invisalign aligners must be worn 20 – 22 hours a day. Invisalign could take as little as six months for simple cases, but the average is 12 to 18 months. If you are considering Invisalign and would like to learn more, contact Perry Family Dentistry in Mount Vernon, WA, to schedule a free consultation or appointment to find out if Invisalign aligners would be the right fit for you. Call us at (360) 424-3133, or book your appointment online.