evidencegaps
Primary study · included by 1 review

Immediate occlusal loading of one-piece zirconia implants: five-year radiographic and clinical evaluation.

Grassi 2015 · Grassi Felice Roberto, Capogreco Mario, Consonni Dario, et al. · The International journal of oral & maxillofacial implants · 2015

Included by

Prevalence of Peri-Implantitis Around Zirconia Implants: A Systematic Review and Meta-Analysis of Current Evidence.
Non-Cochrane · prognostic · 2026 · cited as Grassi 2015 · Table 1; ref 31; Results (forest plot follow-up subgroup)
Outcome this study informsPooled effectEvidenceCertainty
Peri-implantitis prevalence (implant level)
Zirconia implants vs None (single-arm prevalence) · Follow-up > 3 to 5 years
Prevalence (%) 2 [0, 8]5 studies · 149 participantsGRADE not reported
Peri-implantitis prevalence (implant level)
Zirconia implants vs None (single-arm prevalence) · Follow-up > 3 to 5 years
Prevalence (%) 2 [0, 5]6 studies · 221 participantsLow

1 including review in total.