If not handled properly, it may make saxophone worse.
Pay great attention to the maintenance of saxophone. Scratching will destroy the metal layer, not to mention falling.
So I have to sympathize with you and lament your carelessness.
My teacher has a treble saxophone, which was accidentally dropped and sent to the factory for repair. Although it has been repaired, the timbre is far worse than before.
Your saxophone should have the contact information of the manufacturer, or you can contact the manufacturer with someone from the musical instrument store.
If this happens, you'd better find an expert!
Then you can send your saxophone to the factory for repair according to his arrangement.
Generally speaking, because it is man-made, you should donate a handful of blood, and they will tell you the maintenance cost and travel expenses. Consider it a lesson! !
You must be very anxious after this happened. So I hope your saxophone will recover soon!