Causes of bad breath

Causes of bad breath

  • Gum disease and inflammation.
  • Poor oral hygiene.
  • Presence of tooth decay or defective tooth filling.
  • Retention of food particles between teeth.
  • Infection.
  • Breathing through the mouth.
  • Smoking.
  • Decrease in salivary flow.
  • Accumulation of bacteria and food debris on the tongue.