The main causes of halitosis can be divided into physiological and pathological categories:
Physiological halitosis
The self-cleaning function is reduced.
Most people have bad breath in the morning, mainly because saliva secretion is reduced at night, and the self-cleaning effect of the mouth is reduced. If you don't brush your teeth thoroughly, the soft dirt on the surface of oral teeth and gingival margin and the food embedded in crevices and dental caries will ferment and rot, resulting in bad smell. This odor lasts for a short time and can be quickly eliminated through proper oral hygiene and cleaning.
food
People who often eat spicy foods such as onions, garlic and leeks, or people who like stinky foods such as stinky tofu and rotten eggs, because the special smell of food is easy to cause bad breath.
Smoking and drinking
After drinking, the smell of alcohol and smoke will remain in the mouth, leading to bad breath.
Pathological halitosis
oral disease
Bad breath is mostly related to oral diseases and oral ecological environment. Oral unclean, dental plaque, tartar and tartar accumulation are the most direct causes of bad breath.
In patients with chronic gingivitis and periodontitis, due to gingival swelling, bleeding, periodontal pocket exudation and poor oral hygiene, plaque, tartar and tartar accumulated on teeth decompose and ferment under the action of bacteria and microorganisms, resulting in unpleasant smell.
Patients with necrotizing gingivitis and infection after tooth extraction may have rotten bad breath due to the decomposition and suppuration of necrotic tissue and the production of hydrogen sulfide.
In addition, there are untreated dental caries, residual roots, residual crowns, poor repair, etc. in the mouth, which are easy to accumulate food residues and dirt and produce unpleasant smells.
Nasopharyngeal diseases
The nasopharynx is adjacent to the oral cavity, and some diseases of the nasopharynx can also be reflected from the oral cavity, such as atrophic rhinitis, paranasal sinusitis, suppurative tonsillitis and so on.
Diseases of digestive and respiratory system
Such as peptic ulcer, chronic gastritis and functional dyspepsia. , may be accompanied by bad breath. Helicobacter pylori infection can also directly produce sulfide, causing bad breath.
The mouth is connected with the respiratory tract, and some diseases of the respiratory system can also cause bad breath, such as bronchiectasis and lung infection.
diabetes
When suffering from diabetes, insulin secretion decreases, sugar is difficult to decompose, which causes active fat metabolism, thus producing acetone, which is discharged from the mouth and nasal cavity through the lungs. This gas can cause bad breath.
other
Patients who are poisoned by some metals (such as lead and mercury) and organic substances will have abnormal smells in their mouths.
In addition, psychological factors are also a cause that cannot be ignored. When many patients with newly diagnosed psychological problems come for treatment, psychologists can find that patients have a special kind of bad breath. When the patient's mood improves, the feeling of bad breath disappears.
Therefore, if you want to get rid of bad breath, you must first make clear the cause and actively treat it. At the same time, following students' bad breath brings social troubles to many people and has a great psychological impact. Bad breath does not dare to talk to people, which brings a bad impression to others. The symptoms of halitosis are related to oral diseases, sinusitis and gastroenteritis for the following reasons:
1, poor oral hygiene, not brushing your teeth, not gargling or brushing your teeth carelessly, food residues in your mouth accumulate and ferment and rot under the action of bacteria, producing amine substances and giving off a rotten smell.
2, gingivitis, periodontitis, so that oral soft tissue in a state of inflammation for a long time, abscess, bleeding, ulceration, but also easy to produce rotten breath.
3, tooth hard tissue lesions, that is, dental caries, because there are rotten things in dental caries, which will cause bad breath.
4, physical diseases can cause bad breath, such as indigestion, gastritis and so on. Can cause bad breath, bad breath, bitter taste and so on.
Living habits, so as to completely get rid of bad breath.