Since, influence of mechanical forces on the periodontal ligament is an area vastly explored and studied, this review concentrates to a greater level on the other factors controlling Periodontal ligament space
maintenance, mainly the biochemical factors.
by putting the blade of Periotome into the periodontal ligament space
of the tooth to be treated and manipulating it in walking motion to luxate the tooth without inducing surgical trauma.
10,11,12) Pulpal infection can drain through the periodontal ligament space
and give an appearance of periodontal destruction, termed retrograde periodontitis.
The blade also transects the transeptal fibers interdentally by entering the periodontal ligament space
Osteosarcoma may present with an expansion of bone, an incidental radiographic finding of a radiopacity, a widened periodontal ligament space
(garrington sign), a mobile tooth, a numb lip or other paraesthesia and or pain.