Minimal cleft lip is a type of cleft lip and is the mildest classification of cleft lip, but it is this type of mild cleft lip; it also contains four areas of problems: 1. deficiency of the red lip.
2, The lip crest is not neatly aligned.
3. Subcutaneous depression or protrusion of the skin about 1-2 mm longitudinally from the base of the nostril to the upper lip (affected midpersonal ridge) of the affected lip crest.
4. Low deformity of the nasal wing and nostril on the affected side and deviation of the nasal column.