How long to get rid of gingivitis?

ok so I have ginigivitis, mild or kinda bad. I started using a waterpik and flossing every night and rinsing with act because my dentist said it will help the most. I dont have a cleaining untill april and im wondering if i keep cleaning my teeth like this will the gingivitis go away by then? thanks
Update: oh yea and i have braces
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