3. Using the digit power dispenser (pneumatic hand piece that connects to the dental chair), unit dose cartridge, and intrasulcular plastic mixing tip, depress foot pedal and gently insert the plastic tip into the gingival sulcus of the prepared tooth, slightly apical to the preparation finish line. Material should flow into the gingival sulcus making sure to have impression material ahead of the intrasulcular tip as you move around the tooth and the prepared finish line.