ECM	Extracellular matrix
β-TCP	β-tricalcium phosphate
HA	Hydroxyapatite
PCL	Polycaprolactone
PGA	Polyglycolic acid
PLA	Poly-(lactide)
PLGA	Polylactic co-glycolic acid
MSCs	Mesenchymal stem cells
BMPs	Bone morphogenetic proteins
TGF-β3	Transforming growth factor β3
VEGF	Vascular endothelial growth factor
IL	Interleukin
SDF-1α	Stromal cell-derived factor 1α
MCP-1	Monocyte chemotactic protein 1
MIP-1α	Macrophage inflammatory protein 1α
COL	Collagen
FDR	False discovery rate
PDLSCs	Periodontal ligament stem cells
hPDLSCs	Human periodontal ligament stem cells
CM	Conditioned medium
hGMSCs	Human gingival mesenchymal stem cells
EVO	Collagen membrane Evolution
MTT	(3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) tetrazolium reduction
Mag	Magnification
SMADs	Small mothers against decapentaplegic
GAPDH	Glyceraldehyde-3-phosphate dehydrogenase
GUSB	Glucuronidase β
18S	18S ribosomal RNAs
HPRT	Hypoxanthine Phosphoribosyltransferase
PKH26	PKH26-Red Fluorescent Cell Linker Kit
ALP	Alkaline phosphatase
OPN	Osteopontin
CT	Computed tomography
SOX9	Sex determining region Y-box 9
WJ-MSCs	Wharton’s jelly of umbilical cord stem cells
PBS	Phosphate buffered saline
TIFF	Tagged image file format