A Comparative Study of the Removal of Smear Layer by Two Endodontic Irrigants and Nd:YAG Laser: A Scanning Electron Microscopic Study

Figure 4

SEM photomicrographs of coronal (a), middle (b), and apical (c) parts of the root canal treated by Nd:YAG laser (×2500).

(a)

(b)

(c)