Misalignment of teeth (irregular placement of incisors) or a level bite (incisors meet each other edge to edge) is undesirable, but not to be confused with undershot or overshot.

• 牙齿未对准（门牙位置不规则）或是水平咬合（门牙边缘对边缘相互接触）是不可取的，但不如上下颚突出严重。