Core Tip: What causes bad breath?
1. Eating and drinking, eating certain foods, such as garlic, green onions, leeks, stinky tofu, etc., has a specific odor. After eating, it can emit a corresponding odor, heating, vomiting, and hiccups. The odor of the contents of the gastrointestinal tract is carried out of the body.
2. The foreign matter is corrupted, and the food residues remaining in the teeth are rotted by bacteria to produce odor.
3. Tissue necrosis, human tissue is mainly composed of protein, and odors such as hydrogen sulfide are generated after decomposition.
4. Bacteria grow. Some bacteria in the oral cavity and respiratory tract decompose protein and starch, and produce a large number of bacterial metabolites such as indium, sulfhydryl and ammonia, which can cause bad breath.
5. Substances contained in blood. In diabetic ketosis and uremic acidosis, the ketone and urea components in the blood increase, and the ketone and decomposed urea contained in the blood flow through the alveoli to be released out of the body with the gas, so the patient’s mouth may have Acetone smell or rotten apple smell.
(1) Physiological factors,
1. Food smell: such as the smell of alcohol after drinking, the smoke of smokers, and the smell of garlic remaining in the mouth after eating garlic.
2. Bad breath after waking up from sleep at night.
3. Hunger and long-term fasting can also bring about strong bad breath.
4. Some people may experience bad breath during pregnancy and menstruation.
(2) Pathological factors
1. Oral diseases Periodontal disease, caries, black tongue disease, oral necrotizing inflammation, pericoronitis, oral cancer necrosis, etc.
2. Nasopharyngeal diseases: suppurative maxillary sinusitis, atrophic rhinitis, acute tonsillitis, angina, intranasal foreign body in children, etc.
3. Diseases of other organs in the body such as indigestion and gastritis. Bronchiectasis secondary to lung infection, lung abscess, leukemia, thrombocytopenia, agranulocytosis, diabetes, lead, mercury, sedative and organic poisoning may have abnormal odor.
