Primary study · included by 1 review

All-ceramic restoration of zirconia two-piece implants--a randomized controlled clinical trial.

Payer 2015 · Payer Michael, Heschl Alexander, Koller Martin, et al. · Clinical oral implants research · 2015

Included by

Non-Cochrane · prognostic · 2026 · cited as Payer 2015 · Table 1; ref 34; Results (forest plot follow-up subgroup)

Outcome this study informs	Pooled effect	Evidence	Certainty
Peri-implantitis prevalence (implant level) Zirconia implants vs None (single-arm prevalence) · Follow-up <= 3 years	Prevalence (%) 2 [0, 6]	10 studies · 533 participants	GRADE not reported
Peri-implantitis prevalence (implant level) Zirconia implants vs None (single-arm prevalence) · Follow-up <= 3 years	Prevalence (%) 1 [0, 5]	11 studies · 579 participants	Very low
Peri-implantitis prevalence (implant level) Zirconia implants vs Titanium implants · 12 to 60 months follow-up	RR 1.13 [0.33, 3.91]	6 studies · 313 participants	Low
Peri-implantitis prevalence (implant level) Zirconia implants vs Titanium implants · 12 to 60 months follow-up	RR 1.66 [0.48, 5.71]	5 studies · 211 participants	GRADE not reported

1 including review in total.