2D	Two-dimensional
3D	Three-dimensional
ALP	Alkaline phosphatase
ECM	Extracellular matrix
FDA	Food and Drug Administration
G1 phase	Gap 1 phase cell cycle
HA	Hyaluronic acid
HAp	Hydroxyapatite
HEK293	Human Embryonic Kidney cells
HepG2	Hepatocellular carcinoma cells
hMSCs	Human mesenchymal stem cells
L-929	Fibroblast cells
MC3T3-E1	Pre-osteoblast cells
MG-63	Osteoblast like fibroblast cells
MSN or MSNPs	Mesoporous silica nanoparticles
NGF	Nerve growth factor
NIH3T3	Fibroblast cells
nZnO	Nano Zinc Oxide
PC12	Pheochromocytoma cells
PCL	Polycaprolactone
PGA	Polyglycolic acid
PHBV	Polyhydroxybutyrate-co-(3-hydroxyvalerate)
PLA	Polylactic acid
PLGA	Poly (lactic-co-glycolic acid)
PLL	Poly-L-lysine
PLLA	Poly (L-lactic acid)
RT-PCR	Real time—Polymerase chain reaction
Saos-2	Osteosarcoma epithelial cells
Sca-1	Stem cells antigen 1
SF	Silk fibroin
TCP	Tricalcium phosphate
TiO2	Titanium Oxide
VEGF	Vascular endothelial growth factor
WHO	World Health Organization
Zn	Zinc
ZrO2	Zirconia