evidencegaps
Primary study · included by 2 reviews

Postoperative skeletal stability at the one-year follow-up after splintless Le Fort I osteotomy using patient-specific osteosynthesis versus conventional osteosynthesis: a randomized controlled trial

van der Wel 2023 · van der Wel H., Kraeima J., Spijkervet F.K.L., et al. · International Journal of Oral and Maxillofacial Surgery · 2023

Included by

Long-Term Stability of the Use of Patient Specific Implants in Orthognathic Surgery: A Systematic Review.
Non-Cochrane · intervention · 2026 · cited as van der Wel 2023 · Table 1; Table 5; reference list
Outcome this study informsPooled effectEvidenceCertainty
Maxillary linear translation, x-axis (antero-posterior)
Patient-specific implants (PSI) for jaw fixation vs None (PSI arms pooled; no comparator in the pooled estimate) · 1 year postoperative vs 1 day or 2 weeks postoperative
Pooled weighted mean (absolute difference) 0.382 studies · 65 participantsGRADE not reported
Maxillary linear translation, y-axis (cranial-caudal)
Patient-specific implants (PSI) for jaw fixation vs None (PSI arms pooled; no comparator in the pooled estimate) · 1 year postoperative vs 1 day or 2 weeks postoperative
Pooled weighted mean (absolute difference) 0.692 studies · 65 participantsGRADE not reported
Patient-specific guides and osteosynthesis versus CAD/CAM occlusal splints in orthognathic surgery: a systematic review and meta-analysis of accuracy, operative time, and complications.
Non-Cochrane · intervention · 2026 · cited as van der Wel 2023 · Table 1; reference 42

The review does not say which of its outcomes this study informs.

2 including reviews in total.