You can also go for ceramic braces which are almost invisible or you can go for invisible aligners which doesn't have wire or brackets they are more comfortable but very expensive almost around 1- 2 lags. Other option would be smile designing that means crowns for all the front teeth, this can be done in a week time but compromise your tooth structure.orthodontic treatment is time consuming but naturalist  will be retained. considering your age better opt for orthodontic treatment.