X-Ray MicrotomographyTomography, X-RaySynchrotronsTooth, ArtificialTooth WearDental Restoration WearCeramicsImaging, Three-DimensionalMaterials TestingTomography, X-Ray ComputedImage Processing, Computer-AssistedGamma RaysRadiographyAction PotentialsElectron Probe MicroanalysisProtective AgentsElasmobranchiiPneumoconiosisSkates (Fish)NeuronsTime FactorsFast NeutronsModels, Neurological