Cleft lip results from abnormal development of medial nasal and maxillary process at time they
bulge downwards in front of and below the nasal pit.
Cleft palate results from a failure of fusion of the two palatine processes or in the case of the soft
palate, of a merging process to carry the union backwards from the site of initial fusion.
Treatment:
1. Cleft lip alone:
a. Unilateral (one side): One operation at 5-6 months.
b. Bilateral (both sides): One operation at 4-5 months.
bulge downwards in front of and below the nasal pit.
Cleft palate results from a failure of fusion of the two palatine processes or in the case of the soft
palate, of a merging process to carry the union backwards from the site of initial fusion.
Treatment:
1. Cleft lip alone:
a. Unilateral (one side): One operation at 5-6 months.
b. Bilateral (both sides): One operation at 4-5 months.
2. Cleft palate alone:
a. Soft palate only: One operation at 6 months.
b. Soft & hard palate: Two operations. Soft palate at 6 months. Hard palate at 15-18 months.
3. Cleft lip and palate:
a. Unilateral: 2 operations.
a. Unilateral: 2 operations.
Cleft lip and soft palate at 5-6 months.
Hard palate and gum pad with or without lip revision at 15-18 months.
b. Bilateral: 2 operations.
b. Bilateral: 2 operations.
Cleft lip and soft palate at 4-5 months.
Hard palate and gum pad with or without lip revision at 15-18 months
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