A 13-day-old girl with a left transverse facial cleft and a median defect of the lower jaw is reported in detail. Left macrostomia was repaired using a W-plasty technique, and preauricular appendages were excised. The median defect of the mandible demonstrated by computed tomography scan on the first examination had disappeared at 1 year of age.
Conclusion:
Congenital clefts of the mandible can fuse at a later stage; thus, it is necessary to wait to treat the mandibular defect until the infant is slightly older.
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