If you want to align teeth best treatment will be orthodontics .
It's a safe treatment but will take time,so be prepared for that.
Next Steps
you should visit a orthodontist or a cosmetic dentist for opinion
Health Tips
orthodontic treatment is best option but takes time so start treatment only if you r prepared to visit dentist every month n finishes treatment as per dentists advice till end.
if don't want orthodontic then cosmetic options are available but can be decided after check up with cosmetic dentist