1 year post-op- I have an indent on the left side of nose. I am wondering how can this be fixed? (Photos)

I had rhinoplasty over a year ago I had this indent from the day my cast was removed my surgeon told me to have micro needling. I have done this with no movement, I am wondering if my surgeon was telling me the truth about it being able to be fixed with micro needling , he never told me what caused this I am wondering am I wasting my money trying to fix this with micro needling and is there anything else I can do?