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Laser dental hard tissue interaction with possible applications (2)
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Laser dental hard tissue interaction with possible applications (2)

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  • 1. Dr.Rana T. JameelDr.Rana T. Jameel
  • 2. a= Reflectiona= Reflection b= Scatteringb= Scattering c=Transmissionc=Transmission d=Absorptiond=Absorption e=Absorption &e=Absorption & FluorescenceFluorescence
  • 3.  wavelength of laser lightwavelength of laser light  type of molecules that made radiated tissuetype of molecules that made radiated tissue and /or contained within.and /or contained within.
  • 4. Cavity preparationCavity preparation
  • 5. Er:YAG laser (Er:YAG laser (λλ=2.97µm)=2.97µm) *Absorption*Absorption represents therepresents the Photothermal effect oPhotothermal effect of laserf laser
  • 6. COAGULCOAGUL ATION BYATION BY DIODEDIODE LASERLASER
  • 7. Absorption and fluorescenceAbsorption and fluorescence
  • 8. DIAGNODentDIAGNODent QLFQLF
  • 9. used as a concept in Photo polymerization (curing)used as a concept in Photo polymerization (curing) of recent composite generationof recent composite generation. (Tetric Ceram andTetric Ceram and Tetric EvoCeramTetric EvoCeram) Diode laserDiode laser Argon laserArgon laser
  • 10. FIBER OPTIC TRANSILLUMINATIONFIBER OPTIC TRANSILLUMINATION
  • 11. surface debridement with Er:YAG laser insurface debridement with Er:YAG laser in thethe treatment of periimplantitistreatment of periimplantitis ReflectionReflection :