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What are the causes of bad breath?

The most common cause of bad breath is not paying attention to oral hygiene.

What are the causes of bad breath?

The most common cause of bad breath is not paying attention to oral hygiene. When daily brushing, flossing and routine dental cleaning are not carried out, bacteria invade the mouth and multiply uncontrollably. This can lead to strong bad breath and to oral health problems such as gum disease.

  • Dental cavities

  • Not taking enough care with oral cleaning

  • Dentures

  • Use of certain medications

  • Use of cigarettes and tobacco products

  • Dry mouth

  • Long periods of fasting

  • Gum diseases

  • Infections inside the mouth

  • Sinusitis

  • Nose and nasal tissue problems

  • Stomach and intestinal problems

  • Alcohol use

  • Irregular or unhealthy eating

  • Tonsillitis

  • Diseases such as those of the liver and lungs

  • Diabetes

  • Kidney diseases

  • Eating foods such as onion and garlic

What Can Be Done to Get Rid of Bad Breath?

1. Brushing Your Teeth

You should brush your teeth at least twice a day. The toothpaste you use should contain fluoride.

2. Using Dental Floss

It is recommended that you use dental floss at least once a day. Dental floss is used to remove food debris left between the teeth.

3. Brushing the Tongue

Bacteria form on the tongue just as they do on the teeth. For this reason, brushing the tongue helps reduce bad odors.

4. Replacing Your Toothbrush Regularly

A toothbrush should be replaced every 3-4 months.

5. Cleaning Dentures Carefully

If you wear dentures, you should clean them regularly at least once a day or at the intervals your dentist recommends.

6. Avoiding Dry Mouth

You should keep your mouth constantly moist. For this, tobacco products should not be used. In addition, plenty of water should be consumed. You can chew sugar-free gum to stimulate saliva flow.

7. Going to Regular Dental Examinations

Having your teeth examined and cleaned regularly helps prevent bad breath. It is very important for your health to have dental examinations twice a year.

Which Foods and Drinks Help Prevent Bad Breath?

  • Drinking plenty of water

  • Mint

  • Parsley

  • Chewing gum

  • Celery

  • Apples

  • Carrots

Note: The foods in question should be consumed in appropriate amounts.

Frequently Asked Questions

Does gum recession go away on its own or with toothpaste?

No, gum recession that has already occurred does not return to its former position on its own or by using toothpaste alone. Some toothpastes can help reduce sensitivity, but they do not bring back the lost tissue. The cause of the recession and whether it is progressing are evaluated by a periodontology specialist, and the appropriate approach is determined.

Does deep scaling (curettage) damage tooth enamel?

No, deep cleaning performed by a specialist with suitable instruments does not cause permanent damage to tooth enamel. The procedure targets the deposits on the tooth surface and in the root area, not the enamel. Temporary sensitivity that may be seen afterward is normal; it usually decreases within a short time and is part of tissue healing.

Does laser gum treatment stop bleeding?

In general, in suitable cases a laser can be used as an adjunct method that supports the basic treatment and may help reduce inflamed tissue. However, it does not give a lasting result on its own unless the bacterial build-up at the source of the bleeding is removed. The suitability of the laser and its place in the treatment are evaluated by the dentist on a case-by-case basis.

About this contentSources and health informationSources

You can review the professional guidelines and patient information resources related to this page below.

  1. Home Oral CareAccessed: 5 September 2026

Medical Information

This content is for general information. It does not replace an examination, diagnosis or individual treatment plan. Consult your dentist for diagnosis and treatment.

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