Bad breath is caused by gases produced by bacteria in the mouth. Bad breath can occur due to various reasons. The most common among these are:
1. Plaque and calculus in the mouth: Plaque and tartar formed in the mouth cause bacteria to grow. These bacteria can break down food particles in the mouth, producing foul-smelling gases.
2. Gum diseases: Gum diseases cause inflammation of the gums. This inflammation causes the gums to recede and increase plaque and calculus inside the mouth.
3. Sinusitis or nasal polyp: Sinusitis or nasal polyp causes obstruction of airflow in the mouth. This causes a decrease in airflow in the mouth and the growth of bacteria.
4. Smoking and alcohol: Cigarettes and alcohol cause bacteria to grow in the mouth. Also, the reduction in saliva production caused by smoking can increase the growth of bacteria in the mouth.
5. Salty and bitter foods: Salty and bitter foods can cause bacteria to grow in the mouth.
6. Dental prosthesis: Dental prosthesis can cause food particles not to be cleaned in the mouth and bacteria to grow.
7. Systemic conditions: Some systemic diseases can cause the growth of bacteria in the mouth. For example, diseases such as diabetes, cirrhosis, HIV can cause the growth of bacteria in the mouth.
Bad breath can occur due to many factors. Therefore, it is recommended that you consult your dentist to determine the cause of bad breath.
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