1 Hospital for Rehabilitation of Craniofacial Anomalies-USP (HRAC-USP), University of São Paulo, Bauru, Brazil

2 Department of Orthodontics, Ingá Faculty, Maringá, Brazil

3 Department of Pediatric Dentistry, Orthodontics and Public Health, University of São Paulo, Bauru, Brazil


Introduction: The objective of this study was to report the correction of a maxillary transverse discrepancy in an adult patient using Le Fort I osteotomy procedure associated with a bone-borne maxillary distractor device. Both the indications, advantages of the procedure and the use protocol were highlighted.
Case Presentation: The results showed that the bone-borne distractor promoted the correction of maxillary transverse discrepancy with minimal side effects on the maxillary posterior teeth.
Conclusions: The bone-borne maxillary distractor device is a good alternative for correcting the maxillary transverse discrepancy in patients undergoing Le Fort I surgery, especially in cases presenting either periodontal disease or gingival recession of maxillary posterior teeth.