%0 Journal Article %T The efficacy of an extraoral scavenging device on reducing aerosol particles ≤ 5 µm during dental aerosol-generating procedures: an exploratory pilot study in a university setting %A Graetz, Christian %A Düffert, Paulina %A Heidenreich, Ralf %A Seidel, Miriam %A Dörfer, Christof E. %J BDJ Open %V 7 %N 1 %D 2021-05-20 %I Nature Publishing Group UK %~ DeepDyve