Table 1: Histomorphometric Measurements (Micrometers) for the Different Histologic Zones of the Condylar Cartilage at 3 Condylar Areas (Anterior, Middle, and Posterior) in 4 Post-Distraction Weeks
Area |
Post-Distraction Week |
Zone of Fibrous Tissue |
Zone of Reserve Cartilage |
Zone of Proliferating Chondrocytes |
Zone of Chondrocyte Hypertrophy |
Zone of Early Calcification / Degenerating Chondrocytes |
Anterior area |
Week 1 |
0.85 |
0.17 |
0.55 |
1.30 |
0.76 |
Week 2 |
0.77 |
0.29 |
0.63 |
1.66 |
0.98 |
Week 3 |
0.91 |
0.28 |
0.6 |
2.06 |
1.0 |
Week 4 |
0.96 |
0.54 |
0.56 |
1.66 |
0.89 |
Control |
0.94 |
0.52 |
0.65 |
1.52 |
0.92 |
Middle area |
Week 1 |
1.90 |
0.65 |
0.89 |
1.54 |
1.01 |
Week 2 |
2.09 |
1.09 |
0.97 |
1.82 |
1.77 |
Week 3 |
2.1 |
0.98 |
1.66 |
1.91 |
1.34 |
Week 4 |
2.44 |
0.88 |
1.2 |
3.1 |
1.25 |
Control |
2.59 |
0.87 |
1.46 |
3.51 |
1.30 |
Posterior area |
Week 1 |
0.85 |
0.29 |
0.52 |
1.27 |
0.82 |
Week 2 |
0.97 |
0.46 |
0.17 |
1.48 |
1.36 |
Week 3 |
0.99 |
0.28 |
0.57 |
1.09 |
1.27 |
Week 4 |
1.03 |
0.26 |
0.76 |
1.79 |
1.35 |
Control |
1.1 |
0.26 |
0.51 |
2.02 |
1.60 |