Yes since your teeth is malaligned, and so it must be difficult to clean properly. for orthodontic correction, doctor has to create space to push the teethnl in to alignment since there is heavy crowding. Don't worry this is a very common and harmless procedure. And it is never compulsory to to under go orthodontic treatment to make your teeth aligned, as long as you are taking proper care , using proper brushing method, floss and mouthwash, and avoiding caries or plaque build up, you have nothing to worry about.
Next Steps
you can always go to the doctor for physically understanding better ways to take care of you oral cavity.