CFU	Colony-Forming Unit
DNA	Deoxyribonucleic Acid
EBM	Evidence-Based Medicine
EGFR	Epidermal Growth Factor Receptor
EMT	Epithelial–Mesenchymal Transition
FFPE	Formalin-Fixed Paraffin-Embedded
GMS	Gomori Methenamine Silver
HNSCC	Head and Neck Squamous Cell Carcinoma
HRP	Horseradish Peroxidase
IHC	Immunohistochemistry
IL-6	Interleukin-6
JAK-STAT	Janus Kinase-Signal Transducer and Activator of Transcription
KEGG	Kyoto Encyclopedia of Genes and Genomes
LFC	Logarithmic Fold Change
MMP	Matrix Metalloproteinase
mRNA	Messenger Ribonucleic Acid
NAC	Non-albicans Candida
NF-κB	Nuclear Factor Kappa B
OED	Oral epithelial dysplasia
OPMD	Oral potentially malignant disorder
OSCC	Oral squamous cell carcinoma
OTSCC	Oral tongue squamous cell carcinoma
PAS	Periodic Acid–Schiff
PCR	Polymerase Chain Reaction
PRISMA-ScR	Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Scoping Reviews
qPCR	Quantitative Polymerase Chain Reaction
RPKM	Reads Per Kilobase of Exon Model per Million Mapped Reads
RT-PCR	Real-Time Polymerase Chain Reaction
SDA	Sabouraud’s Dextrose Agar
scSeq	Single-Cell Sequencing
TLR	Toll-like receptor
TNF-α	Tumour Necrosis Factor Alpha
TGF-β	Transforming Growth Factor Beta
URM	Upstream Regulatory Mechanism
Wnt	Wingless-Related Integration Site (Wnt Signalling Pathway)