Intact | Incomplete | Fragmented | Total | ||
---|---|---|---|---|---|
The dimensions and number of blocks were compared statistically with the condition of the specimen using the Kruskal-Walls test. | |||||
The change in grade was compared with the condition of the specimen using the χ2 test. | |||||
Number of specimens | 170 | 21 | 9 | 200 | |
Maximum basal dimension (mm) | |||||
Mean | 21.0 | 22.9 | 23.9 | 21.3 | |
Minimum | 7.0 | 12.0 | 15.0 | 7.0 | |
Maximum | 40.0 | 40.0 | 32.0 | 40.0 | |
p = 0.269 | |||||
Maximum apical height (mm) | |||||
Mean | 13.6 | 12.9 | 7.9 | 13.25 | |
Minimum | 2.0 | 4.0 | 2.0 | 2.0 | |
Maximum | 35.0 | 26.0 | 13.0 | 35.0 | |
p = 0.0117 | |||||
Number of blocks | |||||
Mean | 7.6 | 8.6 | 11.8 | 7.85 | |
Minimum | 2.0 | 4.0 | 4.0 | 2.0 | |
Maximum | 13.0 | 14.0 | 23.0 | 23.0 | |
p = 0.003 | |||||
Change in grade | |||||
Yes | 10 | 1 | 1 | 12 | |
No | 160 | 21 | 8 | 188 |