What is the minimum waiting time to get a Revision Rhinoplasty? (photo)

I had a closed rhinoplasty a month ago. Everything was perfect until swelling is gone. I have noticed a small hump in the middle of my nose bridge and it feels hard like a bone. I don't think its just a swelling, skin is soft and in that area. I tried to call my doctor asking him for a revision and sent him a picture , but he told me to wait for a year to decide. And said he might inject it with hyaluronic acid filler. However im not happy with this option because I know it won't last forever. Please help

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