Figure 6
Stress-strain curves of the periodontal ligament obtained from transverse sections of the mesial root of rat mandibular first molars. Sections were incubated in 0, 8, 16, or 24 units of collagnase/mL of PBS at 37°C for 4 hours. Vertical and horizontal bars represent ±1 SD of 6 animals, reproduced from Kawada and Komatsu (2000) [34], by permission.
