Aa	Aggregatibacter actinomycetemcomitans
ACPA	Anti-Citrullinated Protein Antibodies
AD	Alzheimer’s Disease
CAP	Community-Acquired Pneumonia
COPD	Chronic Obstructive Pulmonary Disease
CRP	C-Reactive Protein
CVD	Cardiovascular Disease
DAS-28	Disease Activity Score 28
Fn	Fusobacterium nucleatum
GERD	Gastroesophageal Reflux Disease
HbA1c	Glycated Hemoglobin A1C
ICU	Intensive Care Unit
IL-1β	Interleukin-1 Beta
IL-6	Interleukin-6
Kgp	Lysine-specific Gingipain
LPS	Lipopolysaccharide
MMP-8	Matrix Metalloproteinase-8
MMP-9	Matrix Metalloproteinase-9
MUC5AC	Mucin 5AC
OSA	Obstructive Sleep Apnea
PAFR	Platelet-Activating Factor Receptor
Pg	Porphyromonas gingivalis
Ra	Rheumatoid Arthritis
RCTs	Randomized Controlled Trials
Rgp	Arginine-specific Gingipain
Td	Treponema denticola
Td-CTLP	Treponema denticola Chymotrypsin-Like Proteinase
Tf	Tannerella forsythia
TNF-α	Tumor Necrosis Factor-Alpha