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Table 1 Baseline demographic data

From: Patient-reported outcome measures and clinical outcomes following peri-implant vestibuloplasty with a free gingival graft versus xenogeneic collagen matrix: a comparative prospective clinical study

   XCM FGG p-value
Age (years)   41.0 (11.0) 45.5 (12.3) 0.217
Gender Female/Male 13/8 14/7 0.747
Smoke Yes/No 2/19 2/19 1
Diabetes Yes/No 0/21 1/20 1
Surgeons YL/YZ/YW 6/10/5 9/5/7 0.273
Location of implant Premolar/Molar 19/27 12/32 0.161