Has an NBA game ever ended 106-83?
It has. 106-83 has been a NBA final 22 times in 77,318 games. The first was Rochester Royals beat St. Louis Bombers on January 1, 1949; the latest was Orlando Magic beat Charlotte Hornets on January 20, 2020.
That makes 106-83 the 917th most common final score out of 3,189 that have ever occurred in NBA. One point away, 107-83 has happened 22 times and 106-84 has happened 24 times.