Dear Lybrate user,
you need restoration of your crooked teeth
first. Because if it will be open for long time dental caries
will be developed there. Then take fixed orthodontic treatment for correct your tooth alignment. Fixed orthodontic treatment is long duration treatment it take 1.5 to 2 years in completion of the treatment after treatment your tooth alignment will be correct. Cost of the braces may be approx 15000/- to 20000/-. Invisalign
cost & treatment duration also may be same as braces.