Trailing 27-20, the Wildcats (2-2) went on a 16-2 run, with Bamforth scoring eight straight points in the spree, including a pair of 3-pointers.
Dayton (4-2) used a 7-0 spurt to tie it at 38, but couldn't pull ahead until a Josh Benson three-point play with 2:34 to go made it 57-56.
Tresnak knotted the game with a free throw, then Bamforth hit a 3 with 1:26 remaining.
Benson trimmed the deficit to 60-59 with two free throws, which Bamforth matched with 8 seconds left. Devin Oliver made a layup with 1 second remaining for the final margin as the Flyers saw their three-game winning streak end.
Kevin Dillard led Dayton with 18 points and Benson had 17 in the first meeting between the programs.
The family of former Houston Astros owner Roy Hofheinz wants a court to require the University of Houston to keep his name on the school's basketball arena.
Michigan has hired assistant basketball coaches Billy Donlon and Saddi Washington.
Duke and Cincinnati, 2016 NCAA tournament teams, highlight the eight-team field for the Naismith Memorial Basketball Hall of Fame Tip-Off Tournament.