The congenital condition referred as hemifacial microsomia is characterized by uderdevelopment, malformation or abscence of certain soft and hard tissue derivatives of the first and second branchial arches and ofthen also of structures which are
not
derived from the branchial arches, such as the zygoma, temporal bone.
This is a report about a 14 years old male patient with the chief complaint of severe facial asymmetry, who was diagnosed as hemifacial microsmia having agenesis of the right mandibular condyle and zygomatic arch.
Deformities and rib bone graft on the affected mandibular condyle and body, and LeFort I osteotomy in the maxilla.
To correct contour-deficient chin, we performed the genioplasty, and the zygomatic arch was reconstructed with rib bone graft.
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