Tyler Harris chipped in 12 points and Carson Desrosiers had 10 with nine rebounds for the Friars (9-3), who shot 45.2 percent from the field. Dunn went 7 of 12 from the floor and also had five steals and five boards.
Providence closed the first half with a 13-4 run to move out to a 37-24 halftime lead. Jalen Lindsey sparked the run with two 3-pointers and Dunn contributed a 3 and a dunk.
Three layups by Dunn and a pair of three-point plays from Harris sparked a 12-0 surge that put the Friars up by 32 with 9:25 left.