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I have bad smell from mouth from last 5 years. I got rid from two cavities 2 years back and these cavities had been for 1-2 years in my mouth. I had one of these cavity-tooth root canaled with a ceramic cap and after 7 days I found a black line at the bottom of it. I have some stains on my teeth. I went to the dentist for bad smell but he said that everything was ok. But from last year I experience that everyone covers their noses when I go near them no matter whether I speak or not. I doubt that bad smell is coming from my nose also. I went to ENT doctor but he also said that all was ok. What should I do now.

4 Doctors Answered
Hello Lybrate user, first you should go for scaling n polishing. Use mouthwash twice daily. Use interdental brush n dental floss to clean interdental areas. Clean your tongue properly. Drink plenty of water.
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The black line in the bottom of crown is due to infecton in gingiva, bcoz of poor oral hygiene. Its better to do a deep cleaning from a clinc and use mouth wash regularly after brushing and also use interdental brush in those area. This will also help to keep away from bad breath.
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Make sure you clean your tongue while brushing teeth, remove all the mucous, consume water frequently at least once in 2 hours ,include fresh fruits and vegetables in your daily diet, brush twice a day, avoid junk foods, rinse with water every time after eating food, rinse with warm salt water 3-4 times a day, you will see the change :)
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See your dentist regularly -- at least twice a year. He or she will conduct an oral exam and professional teeth cleaning and will be able to detect and treat periodontal disease, dry mouth, or other problems that may be the cause of bad mouth odor. Stop smoking and chewing tobacco-based products. Ask your dentist for tips on kicking the habit. Drink lots of water. This will keep your mouth moist. Chewing gum (preferably sugarless) or sucking on candy (preferably sugarless) also stimulates the production of saliva, which helps wash away food particles and bacteria. Gums and mints containing xylitol are best. Keep a log of the foods you eat. If you think they may be causing bad breath, bring the log to your dentist to review. Similarly, make a list of the medications you take. Some drugs may play a role in creating mouth odors. Who Treats Bad Breath? In most cases, your dentist can treat the cause of bad breath. If your dentist determines that your mouth is healthy and the odor is not of oral origin, you may be referred to your family doctor or to a specialist to determine the odor source and treatment plan. If the odor is due to gum disease, for example, your dentist can either treat the disease or refer you to a periodontist, a dentist who specializes in treating gum conditions.
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