In short, any good unilateral cleft lip repair operation, including the improved triangular flap repair of nasal floor, can be used for bilateral cleft lip repair, but it is only used for the left and right sides of the upper lip.
The specific methods of repairing bilateral cleft lip with the improved triangular flap of nasal floor are as follows: Before the operation, let the child wear elastic bandage for two to three months, so that the protruding protrusion will return to the normal position. During the operation, the skin and red lip of the anterior lip were lifted up to make it a single pedicle tissue flap with the pedicle above. Then, the orbicularis oris muscle of the lateral lips of the left and right fissures is released and sutured to each other at the midline of the anterior jaw (there is no orbicularis oris muscle fiber in the anterior lip). Finally, the suture of the lower nose, white lip and red lip was completed by conventional methods. Usually, using the above methods or other conventional unilateral cleft lip repair methods to repair bilateral cleft lip can only have a slightly better effect if the degree of defect is not great. For those bilateral cleft lips with many tissue defects, large displacement of nose, lips and anterior whiskers, and short central anterior lip, any unilateral cleft lip repair method can not achieve satisfactory primary results.
Experts point out that the repair of bilateral cleft lip is twice as difficult as that of unilateral cleft lip, but its effect is only half as good. This is because the main problem of bilateral cleft lip lies in its serious lack of tissue mass. This requires a fundamental increase in the amount of lip tissue, otherwise other methods can only be futile.
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