Usually the palatine processes of the maxillary bones unite during weeks 10 to 12 of embryonic development. Failure to do so can result in a incomplete fusion of the horizontal plates of the palatine bones.
Another form of this condition, called cleft lip, involves a split in the upper lip.
Cleft lip and Cleft palate often occur together. depending on the extent and position of the cleft, speech and swallowing may be affected. Facial and oral surgeons recommend closure of cleft lip during the first year of life, and surgical results are excellent. Repair of cleft palate is done between the first and second year of life, ideally before the child begins to talk.
Orthodontic therapy may be needed to align the teeth. Here again, results are usually excellent.
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