Discoloration of teeth can occur due to several reasons. The most common reasons causing discoloration are: Ageing Wear of teeth due to grinding Poor oral hygiene Ingestion of coloured foods and drinks such as coffee, tea, colas, red wine etc. Tobacco use Tetracycline medication Consumption of certain antibiotics Excessive fluoride ingestion How is teeth whiteningContinue reading “What causes discoloration of teeth?”