Nasal septum deviation occurs when the nasal wall between the nostrils slides to one side.
An otorhinolaryngologist is a doctor who specializes in the management and treatment of diseases of the ear, nose, throat and related structures of the head and neck.
The plastic surgeon is the doctor who specializes in cosmetic and reconstructive surgery.
A surgeon is a doctor who can prevent and diagnose a disease through surgery.
Remember that for the proper selection of health professional that treats deviated nasal septum you must consider the nature, severity and symptoms you are presenting.