CaP	Calcium Phosphate
HAp	Hydroxyapatite
TTCaP	Tetra-calcium phosphate
α-TCP	Alpha-tricalcium phosphate
β-TCP	Beta-tricalcium phosphate
OCP	Octa-calcium Phosphate
ACP	Amorphous calcium phosphate
DCPD	Dicalcium Phosphate dihydrate
CDHA	Calcium deficient hydroxyapatite
XRD	X-ray diffraction
SSA	Specific surface area
MPa	Mega Pascal
HP	Hot pressing
HIP	Hot isostatic pressing
SPS	Spark Plasma sintering
PECS	Pulsed electric current sintering
FAST	Field-assisted sintering technique
DC	Direct current
FS	Flash sintering
UHS	Ultrafast high-temperature sintering
MW	Microwave
MWS	Microwave sintering
LS	Laser sintering
CAM	Computer-aided manufacturing
CAD	Computer-aided design
3D	Three dimension
CS	Cold sintering