Effect of Passive Ultrasonic Irrigation over Organic Tissue of Simulated Internal Root Resorption

Figure 1

Schematic illustration of the IRR simulation. (a) The crown of each tooth was cross-sectioned at the cementoenamel junction, and (b) the roots were embedded in cylinders (3 cm diameter; 2.5 cm height) of self-cured acrylic resin. Then, (c) IRR was simulated, and (d) finally, the specimens were ready.