The Australian No.1 said his early and turbulent loss at Melbourne Park a year ago had "left a bad taste" in his mouth and he wanted to do well in front of Australian crowds, starting with his first final win on home soil on Sunday night over American Ryan Harrison at Pat Rafter Arena.
Kyrgios, ranked 21st in the world, won 3-6 6-1 6-4 against the Bulgarian.
With the Brisbane title, Nick Kyrgios is one of the contenders for the Australian Open, which starts after next week on January 15.
Kyrgios served superbly in the second and third sets, winning over 80 percent of points on his first serve and facing just one break point.
After the first set, Kyrgios debated with umpire Fergus Murphy that Harrison should not have been allowed such a long break to go off court, while he waited in his courtside chair.
"I felt good all week".
Kyrgios served 17 aces on his way to a brilliant 6-4, 6-2 victory in a match lasting 74 minutes by breaking his opponents serve three times in the clash. "He had a great previous year beat me two times", Krygios said.
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"I've got fond memories of Brisbane, played Davis Cup here and had a massive win over the US", Kyrgios said.
Dolgopolov saved a match point on his serve at 3-5 in the third set with a deep backhand groundstroke, but the Australian No. 1 prevailed on his fourth match points in the following game.
However, after saving five break points early in the contest, Kyrgios soon took charge of proceedings and ultimately won easily.
"You have some of your biggest highs and then you've got some matches where you finish and you're a little bit heartbroken", de Minaur said.
Nick Kyrgios has doused any concerns of injury after claiming his maiden ATP title on home soil and first since 2016.
However, Harrison stepped up the pressure and reeled off the next four points to take the set and level the match.