Ways you can get it removed is :- 1- by wiring treatment which would take from a couple of months to an year depending hoo the severity of your malalignment. 2- by caps, which would only take 3-4 sittings in which an artificial cap would be placed on your natural tooth to cover the space. 3- by veneers
which are of two types - direct and indirect.
Direct are simple chair side producers and would take 1-2 sittings for it to complete
Indirect and like partial covering on your natural tooth which are fabricated from lab and might take 3-4 sittings. There are particular indications and contradictions for every treatment, please consult your doc and get it treated accordingly.