Research Article
Effect of Nd:YAG, Er,Cr:YSGG Laser Irradiation, and Adjunctive Photodynamic Therapy on Push-Out Bond Strength of Zirconia Posts to Radicular Dentin
Table 1
General parameters of the research groups.
| | Variables | Laser irradiation I | Laser irradiation II | Adjunctive photodynamic therapy |
| | Laser type | Nd:YAG | Er,Cr:YSGG | Diode laser | | Energy fluence (J/cm2) | 174 | 59.14 | — | | Frequency (Hz) | 10 | 15 | 30 | | Optic fibre diameter (μm) | 300 | 400 | 300 | | Power output (W) | 1.4 | 1.2 | 2 | | Preirradiation time (sec) | — | — | 150 | | Irradiation time (sec) | 30 | 30 | 150 | | Pulse duration | 140 s | 140 μs | 150 s | | Photosensitizer type | — | — | Methylene blue | | Wavelength (nm) | 1064 | 2780 | 660 |
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