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Dental Tips
Norge Dental Center
• 
Jul 15, 2021

Bacteria 101: What Causes Bad Breath?

Bacteria 101: What Causes Bad Breath?

We’ve all been there—reaching for a piece of gum in your pocket or digging for breath mints at the bottom of your bag. Bad breath can be embarrassing, but it is also very common. Whether it’s morning breath, mask mouth, or persistent odor, it usually has identifiable causes and, in most cases, is manageable.

In this blog, we’ll explore the causes of bad breath, how to identify its root triggers, and practical ways to eliminate odor and keep your breath fresh through better oral hygiene, diet, and daily habits.

Main Causes of Bad Breath

Most of the time, bad breath (also called halitosis when it’s chronic) is caused by bacteria living inside your mouth. Bacteria accumulate on the ridges and crevices of the tongue, which provide the perfect environment for them to thrive. Harmful bacteria love the residue left behind by food and drinks. As these food particles decompose in your mouth, they can contribute to the bad breath.

There are other conditions that can affect the freshness of your breath. If you’re sick, you may have higher numbers of bacteria present in your mouth, which can cause worse-than-usual bad breath. Additionally, if  a tooth becomes infected, the bacteria driving the infection can create a similar acidic taste and smell.  Certain throat and sinus conditions can also contribute to bad breath. For instance, tonsil stones are notorious for creating an unpleasant odor.


Another common cause of bad breath is a dry mouth. Saliva is essential to keeping your mouth feeling healthy and fresh. It washes away the bacteria and keeps teeth cleaner. When your saliva production is down, your chances of bad breath are usually higher. Everyone experiences some degree of dry mouth at night, which is why morning breath is usually worse than at other times of the day. Wearing a mask or breathing through your mouth can create a similar effect. In addition, some medications and medical conditions can also contribute to dry mouth. 

How To Treat Bad Breath


Dental hygiene, including routine dental visits, is key to preventing bad breath. Regular brushing and flossing will help to reduce bad bacteria and prevent food build-up from collecting in between your teeth and at your gum line. As part of your brushing routine, be sure to brush your tongue, too. Better yet, use a tongue scraper from time to time to loosen any bad bacteria and keep your tongue fresh and clean.


You can also reduce the likelihood of bad breath by swishing your mouth with water after your meals or snacks. Like saliva, water helps to rinse away leftover food. Remember that sugary drinks or other beverages won’t have the same effect as plain water.

Gum and mints may provide a temporary fix. However, brushing and flossing should be your first line of defense. If you do opt for a breath mint or piece of gum, be sure it’s sugar-free. No matter how minty it is, a sugary piece of gum or mint can actually worsen your bad breath by feeding the bacteria that cause the odor.

If you take a medication that dries out your mouth, be sure to talk to your dentist. The sooner your dentist knows, the better. Not only does saliva keep your breath fresh, but it also is essential for protecting your teeth and preventing cavities. For patients with dry mouth, your dentist might recommend a special mouthwash to restore a healthy balance.

Dentist for General Dentistry in Williamsburg, Virginia

If you notice bad breath that doesn’t improve after thorough brushing and flossing, contact your dentist or doctor. It may be a sign of a more serious condition than your everyday bad breath. The expert dental team at Norge Dental Center can help identify the underlying cause and recommend appropriate treatment. Contact us today to schedule an appointment.

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