Promotional value expires 120 days after purchase. Amount paid never expires. Appointment required. Consultation required before service. If you are ineligible, a refund will be provided. Open to new and existing patients. Limit 1 per patient. May buy additional deals as gifts but each Invisalign case must be paid in full at time of service. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings