Table 2. Summary of central tendency and dispersion measures for fracture load (Newtons) .
| Brand | Minimum | Maximum | Median | Mean (SD) | 25th Percentile | 75th Percentile |
| Yucera | 993 | 1569 | 1162 | 1173 (± 183) | 1008 | 1282 |
| Upcera | 1064 | 2284 | 1665 | 1682 (± 368) | 1553 | 1960 |
| BeautiZir | 1195 | 2679 | 1685 | 1807 (± 463) | 1475 | 2093 |