![Figure 4](/ServeContent?url=http%3A%2F%2Fdbm.sagepub.com%2Fcontent%2F1%2F1%2F502318%2FF4.medium.gif)
Figure 4
Polarised light micrograph of the periodontal ligament (PDL) on the buccal side in an unstained bucco-lingal section of a mechanical specimen. Image analysis was done for each grid (30 × 30 μm), adapted from Kawada and Komatsu [34].