Key words: Pierre Robin sequence, craniofacial growth, cephalometric tracings, cephalometric measurements, osteogenic distraction. Pierre Robin Sequence is an embryological disturbance involving first and second branchial arches.
La secuencia de Pierre Robin es un disturbio embriológico que involucra al primer y segundo arco branquial, desarrollando deficiencia mandibular, que precipita secundariamente paladar fisurado.