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