Non-Cochrane · intervention · PM41393586
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.
Harimkar Radha L, Jaiswal Niraja, Gangurde Arti P, et al. · Cureus · 2025 · PubMed · doi:10.7759/cureus.96664
Findings
Population Full-coverage dental copings on extracted teeth, typodont models or standardized dies (in vitro)
1 finding
| PEEK copings fabricated with CAD/CAM | Zirconia copings fabricated with CAD/CAM | Marginal fit (marginal gap, micrometers) Laboratory (in vitro) | SMD 1.72 [-0.46, 3.9] GRADE not reported 5 studies · 126 participants |
Included primary studies 10
Open in Studies| Study | Year | Also included by | Outcomes it informs here | Trial data |
|---|---|---|---|---|
| Amalorpavam 2021 Comparison of Marginal Fit and Internal Adaptation of Copings Fabricated with Polyetheretherketone and Zirconia - An In vitro Study. PMID:35017956 | 2021 | this review only | Marginal fit (marginal gap, micrometers) | not extracted yet |
| Attia 2019 matched by author and year (probable) | NR | this review only | not stated | not extracted yet |
| Attia 2019 Effect of different fabrication techniques on the marginal precision of polyetheretherketone single-crown copings. PMID:32636071 | 2020 | this review only | not stated | not extracted yet |
| Chouksey 2023 In Vitro Evaluation of Marginal Adaptation of Polyether Ether Ketone and Zirconia Copings DOI:10.4103/njcp.njcp_701_22 | 2023 | this review only | not stated | not extracted yet |
| Chouksey 2023 In Vitro Evaluation of marginal adaptation of polyether ether ketone and zirconia copings. PMID:37470642 | 2023 | this review only | not stated | not extracted yet |
| Emad 2020 matched by author and year (probable) | NR | this review only | Marginal fit (marginal gap, micrometers) | not extracted yet |
| Emam 2023 Effect of coping materials zirconia or polyetheretherketone with different techniques of fabrication on vertical marginal gap and fracture… PMID:37559037 | 2023 | this review only | Marginal fit (marginal gap, micrometers) | not extracted yet |
| Jangade 2025 Evaluation of marginal accuracy of polyetheretherketone and zirconia copings fabricated using computer-aided design/computer-aided… PMID:39750015 | 2025 | this review only | Marginal fit (marginal gap, micrometers) | not extracted yet |
| Mahajan 2024 matched by author and year (probable) | NR | this review only | not stated | not extracted yet |
| Makky 2020 matched by author and year (probable) | NR | this review only | Marginal fit (marginal gap, micrometers) | not extracted yet |
Review question
| Element | Planned (methods) | Found (results) |
|---|---|---|
| Population | In vitro studies of full-coverage zirconia and PEEK copings on extracted human teeth, typodont models or standardized dies | Copings on extracted teeth (n=4 studies) or typodont/resin/steel dies (n=4 studies); sample sizes 18 to 40 |
| Intervention | PEEK copings fabricated using CAD/CAM | PEEK copings (CAD milled, pressed, pellets, granules) (n=8 studies) |
| Comparison | Zirconia copings fabricated using CAD/CAM | Zirconia copings (n=8 studies) |
| Outcomes | Marginal fit accuracy (micrometers) | Marginal gap in micrometers (n=8 studies; 5 pooled) |
| Study designs | In vitro experimental studies; English full texts | In vitro experimental studies (n=8) |
| Timing | Not specified | Not specified |