evidencegaps
Primary study · included by 2 reviews

Clinical evaluation of xenogeneic collagen matrix versus free gingival grafts for keratinized mucosa augmentation around dental implants: A randomized controlled clinical trial

HuangJP 2021 · Huang Jia‐Ping, Liu Jia‐Mei, Wu Yan‐Min, et al. · Journal of Clinical Periodontology · 2021

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 Huang 2021 · Results, Study selection; Figures 2-4 and 6; reference list
Outcome this study informsPooled effectEvidenceCertainty
Increase in buccal keratinized mucosa width (KMW), mm
Non-crosslinked xenogeneic collagen matrix (XCM*) with apically repositioned flap vs Free gingival graft (FGG) with apically repositioned flap · 6 months
MD 1.47 [0.63, 2.3]5 studies · 179 participantsGRADE not reported
Autogenous grafts versus substitute scaffolds for soft tissue augmentation in implant therapy: A systematic review.
Non-Cochrane · intervention · 2026 · cited as Huang 2021 · References 43

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

2 including reviews in total.