Intrinsic Staining:
Chromogens deposited in dentine or structure
Systemic or pulpal origin
Amelogenesis imperfecta, fluorosis, developmental
Dentine local: restorative material, necrotic pulp, RF material
Dentine/ systemic: Dentinogenesis imperfecta, porphyria,
newborn bilirubin, tetracyclines
Extrinsic Staining::
-Superficial
External chromogens
-Drinks, food
-Smoking, paan
Chromogenic bacteria: green/ orange
Meds: iron supplements (black stain)
minocycline (black stain)
Chlorohexidine (brown/ black staining