The main causes of bad breath are given below:

Main causes of bad breath
Poor oral hygiene: Food debris remaining between the teeth and gums causes bacteria to grow. The foul odor emitted by these is the main cause of bad breath.

Diseases of the teeth and gums: Cavities, gingivitis, and tartar/calculus can cause bad breath.

Dirt on the tongue: Bacteria and food debris accumulate in the small pits of the tongue. It is essential to clean the tongue to prevent bad breath.

 

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Dry mouth: Saliva helps keep the mouth clean. Many people experience bad breath when they wake up in the morning due to a decrease in saliva during sleep. This can also happen after talking for a long time or not drinking water.

Dietary habits: Eating onions, garlic, and some spices can cause bad breath. After being digested, they reach the lungs through the bloodstream and are exhaled.

Smoking and alcohol: Using tobacco products changes the natural condition of the mouth and causes bad breath.

Other health problems: Sinusitis, throat infections, digestive problems (gastritis), diabetes, and kidney/liver diseases can cause bad breath.

 

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