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Bad breath : What causes it and how to prevent it

Bad breath can be embarrassing, affecting our self-confidence and even our relationships. However, it’s important to remember that bad breath is a treatable condition, and understanding its causes and implementing proper oral care can help you achieve a fresh, healthy smile. In this article, we will explore the common causes of bad breath and provide practical tips to combat it effectively.

What are bad breath causes ? 

1.Dry Mouth:

Saliva plays a crucial role in maintaining oral health by washing away bacteria and food particles. Dry mouth, medically known as xerostomia, can contribute to bad breath as it allows bacteria to thrive. Stay hydrated by drinking plenty of water and consider using sugar-free chewing gum or lozenges to stimulate saliva production. If dry mouth persists, consult your dentist for appropriate treatment options.


Drink a lot of water all day to encourage salivation and lessen dry mouth.

2.Poor Oral Hygiene:

Bacteria can build up in the mouth from food particles that have become lodged or buried there. These food fragments can produce unpleasant odors and bad breath if ignored for a long time. People who have metal orthodontic appliances, small children who might not clean their mouths correctly, and the elderly who could have trouble maintaining good dental hygiene are among those who are more at risk.


After meals, brush your teeth and floss your teeth to get rid of food residue. After meals, brush your teeth and floss your teeth to get rid of food residue. Rinse your mouth with water or mouthwash to get rid of food particles and lessen foul breath if brushing isn’t an option.

3.Food Choices:

Certain foods, such as onions, garlic, and spices, can leave a lingering odor in the mouth. Additionally, crash diets and fasting can trigger ketosis, a metabolic state that can result in unpleasant breath. While it may not be practical to avoid these foods altogether, brushing, flossing, and using a mouthwash after meals can help minimize the odor. Drinking green tea and chewing on fresh parsley or mint leaves can also help freshen your breath naturally. Moreover, Smoking and alcohol consumption not only stain teeth but also contribute to chronic bad breath. These habits dry out the mouth and increase the growth of bacteria. 


After meals, brush your teeth, including your tongue, and use mouthwash to lessen the odor of food in your mouth.

4.Dental Issues:

Various dental problems such as tooth decay, gum disease, abscesses, and poorly fitted dental appliances can lead to chronic bad breath. Additionally, some systemic diseases may contribute to bad breath as the mouth is connected to the respiratory and digestive systems. For example, sinusitis or nasal congestion can cause post-nasal drip, leading to the accumulation of bacteria in the throat and mouth. This can result in persistent unpleasant breath.


Visit the dentist regularly for oral health examinations, and if you think there may be a medical issue causing your foul breath, consult a doctor.


Article written by Dr.Nisara Tanarerkchai

In summary, bad breath can have multiple causes, including external and internal factors. To regain confidence, consider a comprehensive Tooth Spa Package that offers both beauty and cleanliness in one package. Choose a dental clinic that has a high reputation to high treatment standards. If you have any doubts or need additional information, consult a specialized dentist at About Tooth Dental Clinic. Our team of experienced dentists is available to provide advice and guidance on treatments such as airflow cleaning. For more details or to schedule an appointment, contact us at +66 (0)87-555-4665 (Siam Square Branch) or +66 (0)80-481-5555 (BTS Punnawithi Branch), or reach out to us on LINE@: @abouttooth.


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