Simple bad breath may generally be divided into two major categories and secondary. Simple bad breath by more than oral unclean or unhealthy living habits cause, can not adhere to normal as brushing, mouthwash, dental calculus too much, do not pay attention to the cleanliness of dentures, and other favorite snacks can lead to bad breath. A middle-aged people, reduce the secretion of saliva, reducing the mouth of the self-cleaning effect, so we in the elderly more vulnerable to bad breath. In addition, the large number of smoker’s mouth, nasal breathing the smell will be, but also to such.
The secondary cause bad breath there are many reasons for common are:
[Oral diseases] such as alveolar septic overflow, dental caries, gingivitis, pulpitis, purulent tonsillitis and Yandeng salivary gland, can cause corruption and bad breath.
[Oral adjacent organ diseases] such as nasopharyngeal and nasal diseases of suppurative maxillary sinusitis, rhinitis, such as shrinking, but also can lead to bad breath.
[Gastrointestinal diseases] such as chronic gastritis, duodenal ulcer patients with mouth often appear acid smell, pyloric obstruction, advanced gastric cancer patients often appear stinky duck eggs taste bad breath, constipation and serious obstruction patients often appear manure smell bad breath.
[Respiratory diseases] such as patients with lung abscess often appear rot acid bad breath, the stench, tuberculosis hemoptysis, bronchiectasis hemoptysis who often appear Xue Xingwei bad breath, often in patients with advanced lung cancer in the mouth and breath in a rotten Xingxiu.
[Other] patients with diabetes may be a rotten mouth Pingguo Wei, one flavor, mouth and breath uremic patients can be a smell of ammonia, liver coma can smell a liver, haemophiliacs bloody foul mouth can occur.