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KMID : 0363020080380010067
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Journal of Korean Academy of Periodontology
2008 Volume.38 No. 1 p.67 ~ p.74
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The effect of Er:YAG Laser irradiation on the surface microstructure and roughness of TiO2 implant
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An Jang-Hyuk
Kwon Young-Hyuk
Park Joon-Bong
Herr Yeek
Chung Jong-Hyuk
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Abstract
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Purpose : The aim of this study was to evaluate the effect of Er:YAG laser on microstructure and roughness of TiO2 blasting implant surface.
Materials & Methods : Ten TiO2 blasting implant were used in this experiment. One implant was control group, and nine TiO2 blasting implant surfaces were irradiated with Er:YAG laser under 100 mJ/pulse, 140 mJ/pulse, and 180
mJ/pulse condition for 1 min, 1.5 min, and 2 min respectively. Optical interferometer and scanning electron microscopy
was utilized to measure roughness and microstructure of specimens.
Results : The surface roughness was decreased after Er:YAG laser irradiation in all groups, but there was no significant difference. 100 mJ/pulse and 140 mJ/pulse group did not alter the TiO2 blasting implant surface in SEM study while 180 mJ/pulse group altered the TiO2 blasting implant surface. Implant surfaces showed melting, microfracture and
smooth surface in 180 mJ/pulse group.
Conclusion : Detoxification of implant surface using Er:YAG laser must be irradiated with proper energy output and irradiation time to prevent implant surface alteration. (J Korean Acad Periodontol 2008;38:67-74)
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KEYWORD
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Er:YAG Laser, TiO2 implant, SEM study, surface roughness measurement
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