Principal fibers of the periodontal ligament and cementum

Image copyright: Randi F. Klinge, ARR.

This image is showing principal fibers of the periodontal ligament that enters the cementum. The tissue sample has been decalsified.

The following fibers constitute the principal fibers:

  • Alveolar crest fibers
  • Horizontal fibers
  • Oblique fibers
  • Periapical fibers
  • Interradicular fibers

Image is taken with TEM (Transmission Electron Microscopy).