Jaw position; alone can change the aesthetic perception of the face. It also directly affects the appearance of the nose and lips. This effect is most pronounced with the side profiles. In cases where the tip of the chin is ahead of the normal (prognosis), the lips remain in the background while the nose and midface appear to have collapsed.
In cases when the tip of the jaw is below normal (retrognati); The nose is more pronounced and perceived with foresight. The exact position of the jaw can be determined by analyzing it on cephalometric x-rays. When this abnormal condition is very pronounced; it interferes with the overlapping of the teeth (occlusal disorder) and can cause orthodontic problems. Recently, the position of the edge of the jaw and corner of the jaw have become important in determining facial features. The facial features of the pine corners are indistinct and make people look uncomfortable.
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