Mitola went off for a season-high 19 points and Boehm hit 7 of 10 shots for 15 points, also a season best to lead Big Green (3-1). Dartmouth hadn't played since Nov. 16 and was playing its first road game of the season.
Maine drew first blood and maintained narrow leads until the Big Green made a 9-0 run to lead 26-25 with 4:09 left in the opening half.
Dartmouth finished those last four minutes at a 13-5 clip, led 39-30 at the break and never trailed in the second half.
Zarko Valjarevic led Maine (1-5) with 17 points.
The 2017 recruiting class is short on point guards, with Trevon Duval leading only eight prospects from the ESPN 60 who are still available.
ESPN college basketball reporter Andy Katz looks into the two decommitments from the NBA draft and what they're looking forward to.
With a trio a top recruits from Philadelphia, the Penn State basketball program is primed to finally turn a corner.