Abstract
Abstract Objective: To analyze the morphology of the maxillary crest in infants with Pierre Robin sequence using an anthropometric coordinate system and to compare the data with those of healthy infants. Setting: The study was performed at a craniofacial center servicing a large geographic area. Participants: The study involved eight infants aged 1–28 days (average, 7 days) with an established diagnosis of Pierre Robin sequence and six healthy infants aged 1–43 days (average, 22 days). Main Outcome Measures: Physical models of the maxilla and face obtained by alginate replication were analyzed by computer morphometry yielding the three-dimensional topology of the maxillary crest. Results: The maxillary crest of children with Pierre Robin sequence shows an increased inclination relative to the transverse plane (30 ± 3.9 degrees) as compared with that of healthy infants (20 ± 2.9 degrees). The maxillary crest of the patients is shortened in the sagittal direction by comparison with healthy controls. Conclus...
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