2. Deviation of external nose is the guidance to correct nasal septum and nasal triangle. Whenever possible, the cartilage and bone of the nasal septum should be preserved as much as possible. That is, because the nasal septum is the main support of the nasal dorsum, in some cases, it is also the cartilage donor area for subsequent operations. If nasal septum deformity causes nasal congestion, the diseased cartilage should be removed, and the formation of nasal septum and the deviation of external nose should be corrected at the same time.

3. Severe deviated nose and nasal congestion need to remove the whole nasal septum, then cut and splice the nasal septum cartilage and replant it as a free cartilage piece.

Plastic surgery for crooked nose:

A crooked nose means that the position of the nose bridge deviates from the central axis. Patients with crooked nose can return to normal through plastic surgery to achieve the purpose of beauty. The crooked nose can be divided into three types:

1. deviation type: this type is also called simple deviation nose, which is defined as deviation of nasal cartilage, that is, the lower part of the nose, and may also be accompanied by slight deviation of nasal bone. It is characterized in that the middle and lower part of the bridge of the nose deviates to one side of the central axis, and the tip of the nose is farthest from the central axis. Most of them are caused by congenital or childhood trauma.

2. Type C: This type is characterized in that the root and tip of the nose are located on the axis, and the middle part of the bridge of the nose is bent into a C shape far from the central axis.

3.S-type: This type is also called complex crooked nose, and the nasal cartilage and bone cone bend in different directions in an S-shape.

There are three types of crooked nose: C-shaped crooked nose, S-shaped crooked nose and sideways crooked nose. According to the different conditions of cartilage or bone, cartilage plastic surgery can be performed separately or bone and cartilage plastic surgery can be performed at the same time.