I have got the braces done 4 month back and now one of my lower front tooth is loose . Is this normal

I m 32 yrs old and at this age i have started the braces treatment 4 month ago. My front lower tooth is slightly moving when i touch with my finger . I had my last appointment on 16th sep 16 and post that as the bracket was removed from that tooth it has got loose . Now i next appointment is on 21st oct 16. Is this moving of tooth normal and should i wait till my next appointment ?

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