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.

J Periodontal Implant Sci · 2026 · PMC13150364 · PMID 41332230

Europe PMC DOI

hedged sentence

0.0540

closest p · 1.1× alpha

0.0540

boldest claim

The sentences

borderline significantP< 0.054so close (0.05 < p ≤ 0.1)

One study reported a significant difference favouring CTG, although the MD was only borderline significant ( P< 0.054) [ 60 ].

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