Tooth AbrasionParticle SizeDentifricesToothbrushingDental PolishingDental Restoration WearTooth WearTooth ErosionOptical DevicesToothpastesCarbon Compounds, InorganicAir Abrasion, DentalSilicon CompoundsSilicon DioxideSurface PropertiesMaterials TestingAluminum OxideMethacrylatesDental EnamelHardnessDental MaterialsMicroscopy, Electron, ScanningWoodDental PorcelainComposite ResinsCell ShapeAcousticsDental Stress AnalysisVirionMicroscopy, ElectronSignal Recognition ParticleNanoparticlesVirus AssemblyAerosolsVaccines, Virus-Like ParticleSubmitochondrial ParticlesCell LineFreeze FracturingMicrospheresParticulate MatterCapsidCentrifugation, Density GradientMolecular Sequence DataLatexAlpha ParticlesColloidsCapsid ProteinsDefective VirusesInclusion Bodies, ViralPolystyrenesMicroscopy, Electron, TransmissionPowdersAir PollutantsModels, BiologicalInhalation ExposureRibonucleoproteinsVehicle EmissionsLipoproteins, HDLVirus ReplicationViral ProteinsCryoelectron MicroscopyVirosomesForm PerceptionAmino Acid SequenceRNA, ViralViral InterferenceDrug CarriersTitaniumCell MembraneApolipoprotein A-IBase SequenceMetal NanoparticlesTime FactorsFreeze EtchingCell Nucleus ShapeGene Products, gagKineticsLipoproteinsMutationTemperatureModels, MolecularPhagocytosisCells, CulturedChemistry, PharmaceuticalElementary ParticlesLipoproteins, LDLProtein BindingScattering, RadiationElectrophoresis, Polyacrylamide GelDrug CompoundingNanostructuresImaging, Three-DimensionalNanotechnologyDNA, ViralEmulsionsComputer SimulationTechnology, PharmaceuticalPolymersMolecular WeightCytoplasm