"Luckily it felt good tonight," Green said. "Some nights you have it and some nights you don't. Good thing we had it tonight. Not just myself, but everybody else on the team.
Manu Ginobili and Boris Diaw hit consecutive 3s to push San Antonio's lead to 55-45 with 3:42 left in the first half.
Green's seventh 3-pointer gave the Spurs a 77-57 lead with 7 minutes left in the third quarter.
The Spurs led by as many as 46, while the Mavs' lone lead came at 4-3 on Kaman's jumper with 10:30 left in the first quarter.
Tiago Splitter's dunk gave San Antonio a 100-66 lead at the close of the third. Splitter ran to the sideline after the dunk with a huge a smile, where he was immediately greeted with a low five by an equally happy Duncan.
Dallas was outscored 36-14 in the third quarter. San Antonio closed the quarter on a 31-9 run.
"We need to keep on working," Nowitzki said. "We've got a lot of areas to improve. We might not be as talented as some teams on the top, but if we're not, you have to make it up with how you play and compete and it's just not there."
Every active Spurs player scored and played at least eight minutes.
NOTES: Spurs G Gary Neal left the game early in the fourth quarter with a strained right calf. His status is unknown. ...San Antonio has dominated Dallas at home, holding a 51-26 advantage against their intrastate rivals. ... Seven players have led the Spurs in individual scoring this season. ... San Antonio has had 12 players start this season, the most in the NBA. ... The Spurs lead the league in assists at 25.4 per game and the team's bench leads all reserves at 11.3. ... Mavericks coach Rick Carlisle let official Karl Lane know he was not happy with the officiating. "Does counting fouls lose you the game? It's so lopsided, it's ridiculous." The fouls were 8-4 in favor of the Spurs at that point. The Spurs closed the game with 22 fouls compared to 18 for the Mavericks.