1。Establishment of immortalized periodontal ligament progenitor cell line and its behavioural analysis on smooth and rough titanium surface. $ p% x. h1 q: n @0 H+ s- q" {2.Changes in the shape and orientation of periodontal ligament fibroblasts in the continuously erupting rat incisor following removal of the occlusal load.9 ~* P% f5 Z0 l; e
3。investigation of multipotent postnatal stem cells from human periodontal ligament.