Dr.Rana T. JameelDr.Rana T. Jameel

a= Reflectiona= Reflectionb= Scatteringb= Scatteringc=Transmissionc=Transmissiond=Absorptiond=Absorptione=Absorption & e=Absorption & FluorescenceFluorescence

wavelength of laser lightwavelength of laser light type of molecules that made radiated type of molecules that made radiated tissue and /or contained within.tissue and /or contained within.

Cavity preparationCavity preparation

Er:YAG laser (Er:YAG laser (λλ=2.97µm)=2.97µm)

*Absorption *Absorption represents the represents the Photothermal effect oPhotothermal effect of laser f laser

COAGULCOAGULATION BY ATION BY DIODE DIODE LASERLASER

Absorption and fluorescenceAbsorption and fluorescence

DIAGNODentDIAGNODent

QLF QLF

used as a concept in Photo used as a concept in Photo polymerization (curing) of recent polymerization (curing) of recent composite generationcomposite generation. (Tetric Ceram Tetric Ceram and Tetric EvoCeramand Tetric EvoCeram) Diode Diode

laserlaser

Argon Argon laserlaser

FIBER OPTIC FIBER OPTIC TRANSILLUMINATIONTRANSILLUMINATION

surface debridement with Er:YAG surface debridement with Er:YAG laser inlaser in the treatment of the treatment of periimplantitisperiimplantitis

ReflectionReflection :