1College of Chemistry, Isfahan University of Technology, Isfahan, 84154, I.R. IRAN
2Faculty of Dentistry, Isfahan University of Medical Science, Isfahan, 81746, I.R. IRAN
3Faculty of Dentistry, University of Queensland, Brisbane Qld 4000, Australia
FTR-Raman Spectra of human dental enamel, both laser-irradiated and untreated, are reported. Spectra are compared with hydroxyapatite. It is evident that unlike the CO2 laser, the Nd/YAG laser does not induce any chemical change in dental enamel.