This studyreportscomprehensiveaerosolandbioaerosolmeasurementsinadentaloffice. Thehighest
submicrometerparticleconcentrationswereobservedduringdentalgrindingandtheywereonaverage
16timeshigherthantheindoorbackground.Certainmetallictraceelementsandtotalcarbon
concentrations weresignificantly elevated(410times)intheparticlesdepositedintheoperating
room. Dentalproceduresalsocontributedtoincreasedbacterialcontaminationthatmayposeahealth
risk bothfordentalpersonnelandpatients.