Figure 1

Patient with cleft lip and palate. P and P' denote the medial and the lateral edge of the cleft on a continuation of the line marking the crest of the ridge. a. 6 days old, 6 mm alveolar cleft width b. before lip closure at the age of 1 months, after treatment with feeding plate c. before closure of soft palate at the age of 7 months, 1 mm alveolar cleft width d. before alveolar bone graft at the age of 20 months