The Wildcats (13-7, 8-1) shot 51.9 percent from the field (27 of 52), surpassing 50 percent for the second straight contest, to win their fourth consecutive game.
In the first half, Davidson shot a blistering 61.5 percent (16 of 26) compared to 21.4 percent for the Mountaineers (6 of 28) en route to a 45-23 lead at the break.
Tevin Baskin scored 12 of his 18 points from the free-throw line to lead Appalachian State (8-11, 4-4), which shot 30.2 percent from the field (16 of 53). The Mountaineers have dropped three of their past four contests.
The Big 12/SEC Challenge will again feature Kansas and Kentucky, this time at Rupp Arena. That's not the only exciting matchup in next season's midseason conference showdown.
Northwestern has never made the NCAA tournament, but the Wildcats' upward trajectory suggests 2016-17 could finally be the season it happens.
Dillon Brooks, who led Oregon with 16.7 points per game last season, and Tyler Dorsey will opt out of the NBA draft process and return to the Ducks, sources told ESPN.