Bad breath is a common disease. There are many reasons for people to have bad breath, such as not paying attention to cleaning the mouth, or suffering from oral diseases, etc., which may induce bad breath. Therefore, bad breath is likely to represent a certain disease. Here’s an overview of how bad breath occurs.
Oral diseases: such as alveolar discharge, caries, interdental thick and sparse, gingivitis, pulpitis, suppurative tonsillitis and sialadenitis, etc., can cause putrid bad breath.
Gastrointestinal disorders: Chronic atrophic gastritis often has a sour smell; advanced gastric cancer with pyloric obstruction often has rotten duck egg smell and bad breath; patients with severe constipation and intestinal obstruction often have fecal odor and bad breath.
A large number of smokers have the smell of smoke in the mouth and nose, lack of sleep, mental stress, fatigue, etc. can aggravate bad breath.
Dirty mouth: Inability to stick to normal brushing and rinsing, excessive dental calculus, and eating snacks can cause bad breath, usually sour odor.
Respiratory system diseases: such as pulmonary suppurative disease and putrefying bronchitis, sputum bad breath and bad odor often appear; hemoptysis of tuberculosis and bronchiectasis often appear bloody bad breath; advanced lung cancer often appears putrid stench in the mouth and in the breath.
Diabetic patients have the smell of rotten apples and ketones; uremia patients have urine odor in the mouth and exhalation, liver coma patients have liver odor (rat-like halitosis), and hemophilia patients have blood odor.
After a person passes middle age, the secretion of saliva decreases, which reduces the oral cleaning effect. With the increase of age, the bad breath also gradually increases. Generally, the elderly will have bad breath.
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