Aquasil Ultra Smart Wetting® Impression Material is an addition silicone impression material. This new formula of Aquasil is designed with a reduced contact angle, an increase in tear strength, and maintenance of a low viscosity during the working time. The material is available as a regular- and fast-set rigid (light green), heavy (light green), monophase (maroon), low (teal), and extra-low (orange) viscosities. Aquasil Ultra regular-set has a working time of 2:30 and a set time of 5:00 from start of mix. The fast-set material has a working time of 1:30 and a set time of 3:00 from start of mix. It is available in 50-ml cartridges, and the putty viscosity is available in the original Aquasil formulation. Twenty-five editors used Aquasil Ultra in over 215 final impressions during a six-month period. This product received a 93% clinical rating.