TABLE 2.
Histomorphometric analysis of bone percentage (Bp), osteoid percentage (Op), and osteocyte number per volume (OcN/Ba) in biopsies from grafted sites after 4 months in patients undergoing reconstruction of the edentulous maxilla prior to implant placement
| Cortical bone of calvarial graft | Cancellous bone of calvarial graft | Transition zone between calvarial graft and native maxillary bone | Significance a | |||||
|---|---|---|---|---|---|---|---|---|
| Median | IQR | Median | IQR | Median | IQR | W | P value | |
| Bp (%) | 59.3% | 44.8–64.6% | 36.2 | 29.5‐43.3 | 29.4% | 23.7‐34.6% | 0.387 | .001 |
| Op (%) | .7% | 0.3‐1.5% | 0.7% | 00‐1.3 | 1.6% | 0.9‐2.1% | 0.412 | .004 |
| OcN/Ba (1/mm2) | 159 | 87‐291 | 158 | 46‐506 | 316 | 83‐432 | 0.05 | .473 |
a
Significant difference between Bp, Op, or OcN/Ba measured in the cortical calvarial bone, cancellous calvarial bone, or transition zone between grafted calvarial bone and native maxillary bone, within the same section (Kendall's W test).
Abbreviation: IQR, interquartile range.