Ellen Wen-Ching Ko

Learn More
PURPOSE This study was conducted to evaluate the soft tissue profile changes after maxillary advancement with distraction osteogenesis (DO). PATIENTS AND METHODS Sixteen subjects underwent maxillary advancement with rigid external distraction after a high Le Fort I osteotomy. There were 11 male and 5 female patients, ages 5.2 to 25.7 years. The subjects(More)
The patient who has bimaxillary protrusion often is treated using a combination of orthodontics and orthognathic surgery, and the general approach is dental extraction with retraction of the incisors. In certain cases, maxillary excess may be corrected solely with LeFort I osteotomy and setback and without dental extraction or anterior segmental(More)
PURPOSE The aims of the present study were to delineate the characteristic patterns of 3-dimensional (3D) mandibular movement in patients with skeletal Class III malocclusion compared with normal individuals and to investigate the longitudinal changes in mandible and condylar motion after orthognathic surgery (OGS). PATIENTS AND METHODS The subjects in(More)
PURPOSE Displacement of the mandibular proximal segments is inevitable in surgical correction of the asymmetric mandible. The aim of the present study was to assess the outcomes of jaw motion analysis (JMA) in relation to the changes in the mandibular proximal segments after orthognathic surgery (OGS). PATIENTS AND METHODS The present retrospective cohort(More)
  • 1