| ESOGENOUS DYSCHROMIA | ENDOGENOUS DYSCHROMIA | |
|---|---|---|
| PRE-ERUPTIVE | POST-ERUPTIVE | |
| Chromophorous bacteria (actinomicetes) | Imperfect dentinogenesis | Decalcification |
| Food and beverages (tea, coffee, wine, coca-cola e liquorice) | Imperfect amelogenesis | Carious lesion |
| Mouthwash (Clorexidine) | Dentinal dysplasia | Enamel erosion |
| Drugs | Hyperbilirubinemia | Restoration matherials |
| Stannous florure | Phenylchetonuria | Dental traumas |
| Plaque, tartarum | Haematic diseases | Endodontic treatment |
| Smoke | Endocrine diseases | |
| Heavy metal salt | Dental fluorosis | |
| Tetracycline dischromia | ||