What's the cause of bad breath?

Bad breath is one thing is really embarrassing for us, because we will always communicate with others, but because of the reason of halitosis embarrassing for us to communicate with people, because of a mouth is easy to smell, use a variety of methods also don't know how to get rid of, then what is the cause of dental caries. The?
One. Oral diseases: suffering from dental caries, gingivitis, periodontitis, oral mucositis and dental caries, periodontal disease and other oral diseases, its mouth is easy to breed bacteria, especially anaerobic bacteria, which decompose to produce a sulfide, a taste of corruption, which produce bad breath.
Two. Gastrointestinal diseases, such as peptic ulcer, chronic gastritis, functional dyspepsia and so on, may be accompanied by halitosis. Recently, we also found that the incidence of halitosis in patients with Helicobacter pylori infection caused by many stomach diseases was significantly higher than that in the uninfected patients. The symptoms of halitosis were significantly alleviated after the eradication of Helicobacter pylori. The reason may be that Helicobacter pylori infection directly produces sulfides and causes halitosis.
Three. Smoking, drinking, drinking coffee, and often eat onions, garlic, leek and other spicy food, or appetite stinky tofu, stinky eggs and other smelly food people, but also prone to bad breath.
Four. Diet, weight loss, or can not eat because of illness, or the elderly salivary gland function decreased, women during menstruation endocrine disorder, resulting in decreased salivary secretion, anaerobic bacteria conducive to growth, so bad breath occurs.
Five. Girls halitosis: some women in puberty, ovarian dysfunction, lower levels of sex hormones, oral tissue resistance decreased, easy to infect bacteria, resulting in bad breath.

Bad breath can be caused by bad oral hygiene, periodontal disease, dry mouth, smoking, illness, or eating certain foods. When the poor oral hygiene and periodontal disease or lack of saliva, and bacteria build up, bad breath occurs, saliva to wash away food debris and bacteria has its necessity, some drugs, such as hypertension, psychotropic drugs or specific diseases may also cause dry mouth disease, occasional nasal or respiratory tract infections that can also cause bad breath, if bad breath persists, please check to see whether a dentist and dental related diseases.
In order to prevent dental caries bad breath, we should understand its etiology, described above is related to dental caries causes of bad breath, know the hope to be able to help with bad breath friends, then can we get rid of bad breath, restore confidence, able to communicate freely with others.