Kris Middleton scored 20 points, while Brook Lopez and Eric Bledsoe took 19 for the Bucks.
Blake Griffin came back from a knee injury that saw him sidelined in previous games to score 27 for the Pistons.
The Houston Rockets are also a win away from the second round and a sweep of the Utah Jazz after a narrow 104-101 victory.
James Harden scored 22 points and had four rebounds, while Chris Paul had 18 as of six Rockets players notched up double-digit totals.
For Utah, Donovan Mitchell racked up 34 points, more than next-highest scorers Rudy Gobert, Ricky Rubio and Derrick Favors combined.
The Philadelphia 76ers also placed themselves a win away from the second round after beating the Brooklyn Nets 112-108.
Joel Embiid scored 31 points and had 16 rebounds and seven assists for Philadelphia, while Tobias Harris added 24 points.
Their series now stands 3-1 in the Sixers' favour.
The Denver Nuggets levelled their playoff series with the San Antonio Spurs with a 117-103 win.
Nikola Jokic scored 29 points and had 12 rebounds as Denver made the best-of-seven series 2-2.