Abstract
This study aimed to investigate the surface roughness parameters (Rp in μm) of zirconia implants (TAVDental) after erbium YAG (LiteTouchTM) laser irradiation. Implants were randomized into two groups according to the laser irradiation parameters (1.5 W/10 Hz and 1.5 W/30 Hz). The surface topography of each implant was analyzed before and after laser irradiation using laser-scanning microscopy. The roughness values from three different areas (cervical, middle, and apical) of each implant were registered. Irrespective of the different laser settings and implant surface areas, both groups showed a significant reduced mean and peak surface roughness values after laser irradiation. However, no signs of thermal defects were observed. Based on the conditions of this preliminary study, it can be concluded that the use of the Er, YAG (1.5 W, 10 and 30 Hz) is a safe tool for zirconia implant surface decontamination.
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