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Table 1 Literature overview of orthognathic surgery using the surgery-first approach

From: Current status of the surgery-first approach (part I): concepts and orthodontic protocols

Authors (year) Study design Sample size Type of malocclusion Presurgical orthodontic treatment Surgical method Fixation method Total treatment time (months)
Baek et al. (2010) Case series 11 Class III 1–2 months LF + BSSO NR 12.2 ± 3.6
Liao et al. (2010) Case/control 20 SFA, 13 CA Class III + open bite No LF + BSSO Rigid fixation SFA 11.4 ± 4.2 CA 17.1 ± 3.4
Wang et al. (2010) Case/control 18 SFA, 18 CA Class III No LF + BSSO NR NR
Ko et al. (2011) Case/control 18 SFA, 35 CA Class III No LF + BSSO NR SFA 17.8 ± 5 CA 15.8 ± 2.7
Hermandez-Alfaro et al. (2014) Case series 45 Class II (19), class III (22), asymmetry (4) No LF + BSSO, LF, BSSO, others NR 8.8
Kim et al. (2014) Case/control 23 SFA, 38 CA Class III No BSSO Rigid fixation SAF 15.4 CA 22.5
Kim et al. (2014) Case series 37 Class III No LF + IVRO IMF 14 ± 6
Choi et al. (2015) Case/control 32 SFA, 24 CA Class III No LF + BSSO Rigid fixation SFA 19.4 CA 22.3
  1. SFA surgery-first approach, CA conventional approach, LF LeFort I osteotomy, BSSO bilateral sagittal split osteotomy, IVRO intraoral vertical ramus osteotomy, NR not reported