I'm 25 with uneven teeth, the incisors overlapping with a gap in-between BUT a baby & adult canine are still up there. (photo)

i visited orthodontist & in x-ray a permanent canine is in bone & he said it'll take 3 yrs for it to come down through permanent braces when baby canine will be removed. main concern: 1.is adult canine strong & in status of actually come out ever? 2. if canine in bone removed & braces r put on my baby canine so will that baby canine able to persist braces' pressure? 3.best or other option from you expert saving time & give me the strongest canine out of them & evened incisors with braces on it ?