Table 1.

A list of abbreviations and definitions used in the text and figures.

Abbreviations	Definition
BDNF	Brain-derived neurotrophic factor
BMP	Bone morphogenetic protein
DFPC	Dental follicle progenitor cell
DMC	Dentine matrix component
DMP	Dentin matrix acidic phosphoprotein 1
DPC	Dental pulp cell
DPSC	Dental pulp stem cell
DSC	Dental stem cell
DSPP	Dentin sialophosphoprotein
ESC	Embryonic stem cell
FDA	US Food and Drug Administration
GDF-15	Growth/differentiation factor 15
GF	Growth factor
GNAT	GCN5-related N-acetyltransferases
HAT	Histone acetyl transferase
HDAC	Histone deacetylase
HDACi	Histone deacetylase inhibitor
LMK-235	N-[[6-(hydroxyamino)-6-oxohexyl]oxy]-3,5-dimethyl-benzamide
MMP	Matrix metalloproteinase
MYST	MOZ, YBF2/SAS3, SAS2, and TIP60
PDLC	Periodontal ligament cell
RCT	Root canal treatment
SAHA	Suberoylanilide hydroxamic acid
SC	Stem cell
TGF	Transforming growth factor
TSA	Trichostatin A
VPA	Valproic acid
VPT	Vital pulp treatment