Journal of Dental Research · 1972 · 33 citations · 6 references
EngineeringMicroscopyIon-thinned Longitudinal SectionsBiomedical EngineeringHuman Dental EnamelElectron MicroscopyBioceramicBiophysicsMaterials ScienceThird MolarMicroanalysisHydroxyapatite Crystallite SizeCrystallographyMicrostructureUltrastructureHydroxyapatiteBiomineralizationApplied PhysicsDark-field Electron MicroscopyDental BiomechanicsMedicine
Ion-thinned longitudinal sections of a third molar were observed by bright- and dark-field electron microscopy. In bright field, the hydroxyapatite crystallites in enamel appeared as long rods, but, when observed in dark field, the crystallites were rectangular, with a mean length of 321 A.
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