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 2 Analysis of differences in fracture resistance values among ferrule groups.
| Fracture resistance (N) | Mann-Whitney U test | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| n | Mean | Median | Min | Max | Sd | Mean rank | z | P | |
| Ferrule (+) | 20 | 561.23 | 517.23 | 377.823 | 890.186 | 149.96 | 26.65 | −3.327 | 0.001* |
| Ferrule (−) | 20 | 395.63 | 387.67 | 133.279 | 659.313 | 122.78 | 14.35 | ||
| Total | 40 | 478.43 | 464.78 | 133.279 | 890.186 | 159.16 | |||
| * Statistically significant. | |||||||||