The outcome affected two of the first-round playoff series that will get under way this weekend.
Atlanta wrapped up home-court advantage in its post-season meeting with Boston, which will start Sunday. The defending NBA champion Mavericks finished as the No. 7 seed in the Western Conference and will face Oklahoma City in the opening round starting Saturday.
The Dallas-Oklahoma City series will be a rematch of last year's conference finals.
Dirk Nowitzki led Dallas with 22 points in 26 minutes.
Beautician charged with giving client fatal silicone butt injection
Duggar sisters unveil Christian dating rules in new book