Severe nasal traumas resulting in septal hematoma
Traumas in professional boxers
Genetics
A failed previous surgery
Other causes: drug abuse, diseases, etc.
Use of the septal cartilage from the own patient
Use of ear cartilage graft from the own patient
Rib Cartilage (severe cases)
Fillers (for example: metal metacril) for minor imperfections. This procedure is also known as non-surgical rhinoplasty.