title: Scanning electron microscopic study of argon laser-induced morphologic changes on human dental enamel and dentin.
abstract: Thirty-two human posterior teeth were used in this study to investigate the effect of pulsed argon laser of different densities (40, 50 and 60 J/Cm2) on the surface topography of human enamel and dentin. The S.E.M. results showed apparent alterations on the surface topography of both tissues. Increasing the energy density from 40 to 60 J/Cm2 showed a worse, destructive changes. Moreover, the effect of argon laser on dentin was more pronounced when compared with that of enamel irrespective of the energy density used.
authors.affiliation: Operative Dentistry Department, Faculty of Oral and Dental Medicine, Cairo University.
authors.forename: I M
authors.initials: IM
authors.lastname: el-Din
authors.forename: L M
authors.initials: LM
authors.lastname: Fathy
mesh_terms: D000328:Adult; D003743:Dental Enamel / Q000528:radiation effects* / Q000648:ultrastructure; D003804:Dentin / Q000528:radiation effects* / Q000648:ultrastructure; D006801:Humans; D066298:In Vitro Techniques; D007834:Lasers / Q000009:adverse effects*; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged; D008963:Molar; D013499:Surface Properties