Proteomic biomarkers Genetic biomarkers Microbial biomarkers Other biomarkers
Cystatins,αglucosidase,
Acid phosphatase,
Alkalinephosphatase, Aminopeptidase, Lactoferrin, Translactoferin, IgM, MMP-13, MMP-8, MMP-9, Cathepsin B, Osteonectin, Osteocalcin, Osteopontin, Elastase Platelet-activating factor, Epidermal growth factor, Platelet-derived growth factor, Esterase,
Pyridinolinecrosslinkedcarboxyterminaltelopeptide,
Fibronectin, sIgA (secretory IgA) Gelatinase, IgA, Trypsin, Vascular endothelial growth factor, IgG
CathepsinCgene Mutation,
Collagen gene mutation,
IL-1 polymorphisms,
IL-10 polymorphisms,
Tumor necrosis factor,
Polymorphisms.
AggregatibacterActinomycetemcomitans,
Campylobacter rectus, Mycoplasmas,
PorphyromonasGingivalis,
Prevotellaintermedia, Peptostreptococcus
Micros,
Prevotellanigrescens,
Treponemadenticola,
Tannerella forsythia.
Treponemasocranskii.           
Calcium,
Cortisol,
Hydrogensulphide,
Methylmercaptan,
Pyridine.        
Table 1: Classification of biomarkers.