MercuryMercury PoisoningMercury CompoundsMercury Poisoning, Nervous SystemMethylmercury CompoundsDental AmalgamDental AssistantsFood ContaminationHairSeafoodEnvironmental ExposureMercuric ChlorideOccupational ExposureUnithiolMiningEnvironmental MonitoringFishesDental StaffDentistsAir Pollutants, OccupationalMercury IsotopesThimerosalEnvironmental PollutantsBleaching AgentsSuccimerSeychellesWater Pollutants, ChemicalBody BurdenEthylmercury CompoundsCosmeticsHeavy Metal Poisoning, Nervous SystemSpectrophotometry, AtomicEpidemiological MonitoringPreservatives, PharmaceuticalMaternal ExposureOrganomercury CompoundsInhalation ExposureDental Restoration, PermanentMercury RadioisotopesMaximum Allowable ConcentrationVolatilizationGoldThreshold Limit ValuesChemical IndustryRoot Canal Filling MaterialsPrenatal Exposure Delayed EffectsPoison Control CentersDustSeleniumIndustryMetallurgyChild DevelopmentLeadPregnancyTime FactorsOccupational DiseasesNervous SystemVentilationNoise, OccupationalHazardous SubstancesBiological MarkersDiastoleCadmiumAir Pollution, IndoorStyreneDietMetals, HeavyTetrachloroethyleneArsenicBenzeneAir PollutantsCross-Sectional StudiesBrazilEnvironmental PollutionHearing Loss, Noise-Induced