Is a septoplasty meant to correct a deviated septum?

Septo was recommended to fix deviated septum. Dr. said I didn’t need to break bones to fix. No CT was done. After surgery, I still had issues with breathing but I was told my septum was straight. I consulted with another Dr who took CT & it shows still a deviated septum, looks the same as before. I asked original Dr. and he said to fix needed to break bones and there was no cartilage left in nose to fix. Isn’t that what a septoplasty is - to fix the deviated septum?