evidencegaps
Primary study · included by 1 review

Connective tissue graft versus xenogeneic collagen matrix for soft tissue augmentation at implant sites: a randomized-controlled clinical trial

Ashurko 2022 · Ashurko Igor, Tarasenko Svetlana, Esayan Aleksandr, et al. · Clinical Oral Investigations · 2022

Included by

Comparative outcomes of xenogeneic collagen matrices and autogenous graft-based techniques to increase mucosal thickness and keratinised mucosa width at implant sites: are autologous grafts still the gold standard? A systematic review and meta-analysis of randomised clinical trials.
Non-Cochrane · intervention · 2026 · cited as Ashurko 2022 · Results, Study selection; Figures 2-4 and 6; reference list
Outcome this study informsPooled effectEvidenceCertainty
Increase in buccal mucosal thickness (MT), mm
Non-crosslinked xenogeneic collagen matrix (XCM*) with bilaminar technique vs Subepithelial connective tissue graft (CTG) with bilaminar technique · 3 months
MD 0.27 [0.05, 0.49]5 studies · 152 participantsGRADE not reported
Increase in buccal mucosal thickness (MT), mm
Xenogeneic collagen matrices (XCM*, non-crosslinked, and VCMX, crosslinked) with bilaminar technique vs Subepithelial connective tissue graft (CTG) with bilaminar technique · 3 months
MD 0.27 [0.12, 0.42]9 studies · 294 participantsGRADE not reported

1 including review in total.