Effects of Diode, CO₂, Er : YAG, and Er and Cr : YSGG on Titanium Implant Surfaces by Scanning Electron Microscopy

Figure 4

SEM image of the Er : YAG laser group. (a) Thread surface before laser irradiation (×200). (b) Thread surface after laser irradiation (×200). (c) Between thread surfaces before laser irradiation (×200). (D) Between thread surfaces after laser irradiation (×200).

(a)

(b)

(c)

(D)