Orthodontist didn't put the fallen brackets?

I got my metal self-ligating braces in another country(4 weeks ago) and moved to Canada. I found an orthodontist to continue my treatment. I had 2 fallen brackets (top and bottom end on one side). But the doctor didn't put the braces back, neither he changed the wire. He said he might do it later. Is it OK? Won't it cause asymmetry? I'm worried now that he just doesn't want to waste time on me. Should I go and look for another doctor?

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