Why are my teeth so slanted? Did my orthodontist make a error or is my jaw tilted? How can I fix this issue? (photos)

Hi I recently got my braces off in august . I've notice don't when I take pictures my teeth are slanted . He did file my teeth down when I got them taken off. Is my jaw tilted or did my orthodontist make a error. I have work my retainer 24/7 since the orthodontist took them off . Also are my two front teeth to big . I feel as if the orthodontist didn't do a good job when filing my teeth . This was my second time receiving braces and the first time I had them the dentist didn't file my teeth .

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