Oden, who has been struggling with persistent knee injuries and last featured in the NBA in December 2009 for the Portland Trail Blazers, played nine minutes and scored six points in the Heat's 114-97 defeat.
John Wall led the way with 25 points for the Wizards, who never truly let the game slip from their grasp after taking an astonishing 43-18 lead at the end of the first quarter, while Bradley Beal and Nene added 19 apiece.
Tony Parker was on-song as the San Antonio Spurs held off a late fightback from the Utah Jazz to triumph 109-105 for their sixth consecutive victory.
Parker contributed 25 points and nine assists and although it seemed his efforts may be in vain as the Jazz rallied in the final quarter to close the gap to a point, the Western Conference leaders battled hard to edge to victory.
A season-high 26 points from Joakim Noah inspired the Chicago Bulls to a dramatic 128-125 in triple-overtime win over the Orlando Magic.
The Boston Celtics snapped a nine-game losing streak by beating the Toronto Raptors, who threatened a late rally in the final quarter before losing 88-83.
Jared Sullinger scored 25 points as well as a career-best 20 rebounds although his side had to hold on as Eastern Conference Atlantic leaders Toronto closed a 17-point gap down to five.
LaMarcus Aldridge sunk 32 points and 18 rebounds, while Damian Lillard poured in 28 points as the Portland Trail Blazers earned their third successive win with a 108-96 win over the Cleveland Cavaliers.
The Los Angeles Lakers sunk to their sixth successive defeat as Phoenix ended their own three-game losing run with a 121-114 success, Gerald Green scoring a season's best 28 points for the Suns.
James Harden's tiebreaking jumper ensured the Houston Rockets edged out the New Orleans Pelicans 103-100 for the third straight win, while Mike Conley and James Johnson scored 15 points apiece as the Memphis Grizzlies defeated the Milwaukee Bucks 82-77.
Thaddeus Young's go-ahead three-pointer proved crucial as the Philadelphia 76ers edged out the Charlotte Bobcats 95-92, Rudy Gay's 33 points lifted the Sacramento Kings to a 111-108 win over the Minnesota Timberwolves, the Golden State Warriors suffered just their second loss in their last 10 after being beaten 123-116 by the Denver Nuggets and the Los Angeles Clippers narrowly defeated the Dallas Mavericks 129-127.