Codi Miller-McIntyre added 12 points and Tyler Cavanaugh chipped in 11 as the Demon Deacons (11-3, 1-0 ACC) stayed unbeaten on their home court with a 9-0 mark.
The erratic Tar Heels (10-4, 0-1) got 13 points and eight rebounds from James Michael McAdoo but committed 17 turnovers.
J.P. Tokoto and Brice Johnson each provided 12 points and nine rebounds for North Carolina.
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