ALP	Alkaline phosphatase
BMP2	Bone morphogenic protein 2
CSC	Cementum stem cells
COL-I	Collagen I
DFC	Dental follicle cells
DP-MSC	Dental pulp mesenchymal stem cells
DPSC	Permanent teeth stem cells
HGF	Hepatocyte growth factor
IL	Interleukin
ICAM-1	Intercellular adhesion molecule 1
IGF-1	Insulin-like growth factor 1
IMC	Intrafibrillarly-mineralized collagen
LPS	Lipopolysaccharides
M-CSF	Macrophage colony-stimulating factor
MMPs	Matrix metalloproteinases
MSCs	Mesenchymal stem cells
NF-kB	Nuclear factor kappa beta
OPG	Osteoprotegerin
OSM	Oncostatin M
OxS	Oxidative stress
PL-MSC	Periodontal ligament mesenchymal stem cells
PGE2	Produce prostaglandin 2
PL	Periodontal ligament
PMNs	Polymorphonuclear neutrophils
ROS	Reactive oxygen species
Runx2	Runt-related transcription factor 2
SCAP	Stem cells from root apical papilla derived
SHED	Stem cells from both deciduous teeth
TNF-α	Tumour necrosis factor alpha
TGF-β1	Transforming growth factor beta 1
TIMPs	Tissue inhibitor of metalloproteinases
VEGF	Vascular endothelial growth factor