0000000001188700

AUTHOR

Eugenio Quintana

showing 2 related works from this author

Some morphologic changes induced by Nd:YAG laser on the noncoated enamel surface: A scanning electron microscopy study

1992

The enamel surface layer of some human teeth was treated with the low-energy Nd:YAG laser at 8 mJ pulse energy. These samples were previously etched with 0.05 M orthophosphoric acid to reduce the surface reflection. The treated samples, as well as the control samples, were widely studied by scanning electron microscopy, and, in the lased group, significant morphologic changes affecting the enamel surface were observed. Those changes reveal principally the loss of the typical surface structure of the acid-etched enamel. The hydroxyapatite prisms were not discernible, and there was a decrease in the roughness of the lased surface enamel. These laser-induced structural changes may be related t…

Materials scienceSurface PropertiesScanning electron microscopechemistry.chemical_elementDermatologySurface finishIn Vitro TechniquesNeodymiumlaw.inventionOpticsAcid Etching Dentalstomatognathic systemlawHumansSurface layerComposite materialDental EnamelEnamel paintbusiness.industryLasersfungiLaserstomatognathic diseaseschemistryvisual_artNd:YAG laserMicroscopy Electron Scanningvisual_art.visual_art_mediumSurgerysense organsElectron microscopebusinessLasers in Surgery and Medicine
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Physical-mechanical effects of Nd:YAG laser on the surface of sound dental enamel.

1993

Human dental enamel samples were irradiated using a 5 kHz Q-Switched Nd:YAG laser. An increase in Knoop microhardness and modification of the membrane permselectivity were detached. These results and the changes observed by SEM, can be connected with the fusion of the enamel surface.

Materials scienceBiophysicsDentistryBioengineeringIndentation hardnesslaw.inventionMembrane PotentialsBiomaterialsstomatognathic systemlawMicroscopymedicineHumansBicuspidIrradiationHardness TestsComposite materialDental EnamelEnamel paintbusiness.industryLasersLaserTooth enamelstomatognathic diseasesmedicine.anatomical_structureMechanics of MaterialsNd:YAG laservisual_artCeramics and CompositesKnoop hardness testvisual_art.visual_art_mediumMicroscopy Electron Scanningsense organsbusinessBiomaterials
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