The game was Oakland's first at home since shocking then-No. 23 Oregon on Dec. 22 at The Palace of Auburn Hills. The Golden Grizzlies (9-7, 4-1 Summit League) have won five of six after a 4-6 start.
The Gents (7-9, 1-3) have lost five straight.
Johnathan Jones added 12 points for Oakland, which outrebounded Centenary 34-17.
The Golden Grizzlies appeared to take control when they scored the final 10 points of the first half to take a 37-26 lead, but they couldn't put the Gents away.
Centenary was within 52-51 with 7:46 to play, but Oakland scored the next 11 points to garner some breathing room.
In all, the Gents went nearly five minutes without a point, ruining the chances of upsetting the Golden Grizzlies.