evidencegaps
Primary study · included by 1 review

Effect of coping materials zirconia or polyetheretherketone with different techniques of fabrication on vertical marginal gap and fracture resistance of posterior crowns with composite veneering.

Emam 2023 · Emam Marwa, Metwally Mohamed F · BMC oral health · 2023

Included by

Comparative Evaluation of the Marginal Fit of Zirconia and Polyetheretherketone Copings Fabricated Using Computer-Aided Design and Computer-Aided Manufacturing (CAD/CAM) Technology: A Systematic Review and Meta-Analysis.
Non-Cochrane · intervention · 2025 · cited as Emam 2023 · Table 2; References; Figure 3
Outcome this study informsPooled effectEvidenceCertainty
Marginal fit (marginal gap, micrometers)
PEEK copings fabricated with CAD/CAM vs Zirconia copings fabricated with CAD/CAM
SMD 1.72 [-0.46, 3.9]5 studies · 126 participantsGRADE not reported

1 including review in total.