MSCs	Mesenchymal Stem Cells
hPDLSCs	human Periodontal Ligament Stem Cells
E-hPDLSCs	Endothelial differentiated human Periodontal Ligament Stem Cells
BioR	Collagen membrane
VEGF-A	Vascular Endothelial Growth Factor-A
3D	Three-Dimensional
ERK1/2	Extracellular signal-Related Kinase-1/2
MAPK	Mitogen-Activated Protein Kinase
RUNX2	Runt-related transcription factor-2
COL1A1	Collagen 1A1
EDTA	EethyleneDiamineTetraacetic Acid
hEGF	human Epithelial Growth Factor
hFGF	human Fibroblast Growth Factor
HUVEC	Human Umbilical Vein Endothelial Cells
SDF1	Stromal cell-Derived Factor-1
ECs	Endothelial Cells