Table 2:
The three zones of Canary Number compared with average lesion depth as determined by PLM.
Canary Numbers
Number of Sites (n)
Average Lesion Depth ± Standard Deviation (µm)
Healthy (0-20)
3
0 ± 0
Decay (21-70)
12
532 ± 322
Advanced Decay (71-100)
5
1057 ± 441