20 October 2025 : Laboratory Research
Comparison of Fracture Resistance Based on Ferrule Presence vs Material Type in Maxillary Central Incisor Endocrown Restorations
Serap Sasa ABCDEFG 1*, Köksal Beydemir AEG 2DOI: 10.12659/MSM.949592
Med Sci Monit 2025; 31:e949592
Table 4 Analysis of differences in fracture resistance among ferrule groups within material groups.
| Fracture resistance (N) | Mann-Whitney U test | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | Mean | Median | Min | Max | Sd | Mean rank | z | P | ||
| e max CAD | Ferrule (+) | 10 | 534.10 | 517.23 | 407.947 | 842.946 | 131.29 | 13.7 | −2.419 | 0.016* |
| Ferrule (−) | 10 | 365.38 | 362.84 | 133.279 | 659.313 | 150.10 | 7.3 | |||
| Total | 20 | 449.74 | 448.78 | 133.279 | 842.946 | 162.26 | ||||
| Celtra Duo | Ferrule (+) | 10 | 588.35 | 587.37 | 377.823 | 890.186 | 169.12 | 12.9 | −1.814 | 0.07 |
| Ferrule (−) | 10 | 425.87 | 433.37 | 289.753 | 527.395 | 85.21 | 8.1 | |||
| Total | 20 | 507.11 | 489.4 | 289.753 | 890.186 | 154.71 | ||||
| * Statistically significant. | ||||||||||