evidencegaps
Primary study · included by 1 review

Changes in the condylar head after orthognathic surgery in Class III patients: a retrospective three-dimensional study.

Gulcek 2023 · Gulcek Betul Nazli, Ozbilen Elvan Onem, Biren Sibel · The Angle orthodontist · 2023

Included by

Assessment of temporomandibular joint morphological alterations after bilateral sagittal split ramus osteotomy - A systematic review and meta-analysis.
Non-Cochrane · intervention · 2026 · cited as Gulcek 2023 · Table 1; Fig. 4c,4d
Outcome this study informsPooled effectEvidenceCertainty
Condylar height
BSSRO (post-surgery TMJ measurement) vs Pre-surgery (baseline) TMJ measurement · 1 year (long-term)
SMD 0.37 [0.08, 0.66]2 studies · 93 participantsGRADE not reported
Condylar height
BSSRO (post-surgery TMJ measurement) vs Pre-surgery (baseline) TMJ measurement · Within 1 month (short-term)
SMD 0.12 [-0.17, 0.4]2 studies · 96 participantsGRADE not reported
Axial condylar axis angle
BSSRO (post-surgery TMJ measurement) vs Pre-surgery (baseline) TMJ measurement · 1-2 weeks (short-term)
SMD 0.77 [0.44, 1.1]3 studies · 76 participantsGRADE not reported

1 including review in total.