cfDNA	Cell-free DNA
cfRNA	Cell-free RNA
CGH	Comparative Genomic Hybridization
CTCs	Circulating Tumor Cells
ctDNA	Circulating Tumor DNA
DNMTs	DNA methyltransferases
EMA	European Medicines Agency
EMT	Epithelial–mesenchymal transition
EVs	Extracellular Vesicles
FDA	Food and Drug Administration
HDACs	Histone deacetylases
HDACi	Histone deacetylases inhibitors
HPV	Human papillomavirus
NGS	Next-generation sequencing
OPMD	Oral potentially malignant disorders
OSCC	Oral squamous cell carcinoma
PEITC	Phenethyl isothiocyanate