1. Dental caries in the mouth, or residual crown and root, etc., food debris attached to these lesions, through the role of oral bacteria, food residue after fermentation will produce bad breath. As long as dental caries, or residual crown and root treatment, bad breath will disappear.
2. Periodontal disease in the mouth, especially the formation of chronic periodontal disease blind bags, resulting in a chronic septic overflow and dental equipment odor. At this time the treatment of periodontal disease should be to eliminate the blind bag, in order to eliminate bad breath.
3. Acute inflammation occurs in the mouth, such as acute periodontal abscess, and the third molar pericoronitis go far, are some of the acute inflammatory oral secretions, bad breath can also occur, to cure these diseases, inflammation subsided after the bad breath will disappear .
4. Elderly physiological periodontal tissue atrophy, the gap between the teeth. After eating food debris stuck in the cracks in the teeth, oral bacteria after fermentation the Prevention of dental caries resulting odor. So pay attention to oral hygiene, so sooner or later (before bed) mouthwash after brushing to remove food debris inside the mouth, can prevent the occurrence of bad breath.
5. Digestive diseases. The elderly digestive dysfunction, often indigestion or gastrointestinal reflux disease, gastric retention of food can be produced by the smell exhaled from the mouth, which is an important cause of bad breath produced. As long as the cure for digestive diseases will be eliminated on smell.
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