Figure 3From: A comparative study of the debridement efficacy and apical extrusion of dynamic and passive root canal irrigation systems Scanning electron microscope images (x200) of the apical, middle and coronal thirds of the root canal using the three systems used (A1, A2, A3 - EndoVac; B1, B2, B3 - Tip Vented; C1, C2, C3 - Side Vented). Back to article page