A dental suction adapter can include a first tube including a tapered portion and a presenting end, the presenting end being configured to fluidly engage an interior of a mouth, and a second tube including a transition tube connected to the tapered portion of the first tube and a connection taper extending from the transition tube opposite the first tube, the connection taper being configured to be connected to an end of an aspirator tube, wherein the adapter is configured to increase a velocity of air at the presenting end compared to a velocity of the fluid at the aspirator tube.