HA	Hydroxyapatite
CDHA	Calcium-Deficient Hydroxyapatite
3DPHA	3D-Printed Hydroxyapatite
PVA	Polyvinyl Alcohol
ACP	Amorphous Calcium Phosphate
SLA	Stereolithography
FDM	Fused Deposition Modelling
XRD	X-ray Diffraction
FTIR	Fourier Transform Infrared Spectroscopy
SEM	Scanning Electron Microscopy
EDS	Energy Dispersive Spectroscopy
Ca/P	Calcium/Phosphate Ratio
ICP-OES	Inductively Coupled Plasma Optical Emission Spectrometry
ICP-MS	Inductively Coupled Plasma Mass Spectrometry
MDD	Maximum Daily Dose
PDE	Permitted Daily Exposure
MEM	Minimum Essential Medium
α-MEM	Minimum Essential Medium Eagle—Alpha Modification
DMEM	Dulbecco’s Modified Eagle Medium
MTT	3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide
MTS	3-(4,5-Dimethylthiazol-2-yl)-5-(3-Carboxymethoxyphenyl)-2-(4-Sulfophenyl)-2H-Tetrazolium
ALP	Alkaline Phosphatase
BM-MSCs	Bone Marrow-derived Mesenchymal Stem Cells
RHE	Reconstructed Human Epidermis
DMSO	Dimethyl Sulfoxide
PBS	Phosphate-Buffered Saline
OD	Optical Density
OECD	Organisation for Economic Co-operation and Development
RPMI	Roswell Park Memorial Institute
DNCB	2,4-Dinitrochlorobenzene
LA	Lactic Acid
SDS	Sodium Dodecyl Sulfate
PI	Propidium Iodide
MI	Mutagenic Index