Massad Edentulous Impression Trays developed by Dr. Joe Massad. Available in 5 sizes, upper and lower, to ensure a precise fit for patients and packaged 6 trays per size-arch. Designed to take robust edentulous impressions and minimize chair time. • Fully Adjustable In Hot Water • Captures Key Anatomical Features • 1 Appointment Final Impression • Perfect for the Massad neutral-zone technique