Gap between teeth after scaling. Can it be fixed, and will I need surgery? (Photo)

Hi every one !! I just had my scaling now , but i am disappointed with the results there is a major gap that can be seen in my teeth and i am very tensed with it ! I wanna fill the gap because i feel it awkward ! And the dentist have told me to come back after 13 days what should i do i must go or not ? What should i do ?? Will the gap will get filled ? Or i have to go through some surgery or treatment ? I do not wanna stay with that gap in my teeth ! Please do reply me i am very tensed about it !!