The first one is because of the teeth. For example, food residues hidden in tooth cavities, food residues hidden in dentures, and rotten smells caused by food residues hidden between teeth can be removed by brushing your teeth and cleaning your mouth.
The second is the odor caused by the increase of microorganisms caused by inflammation and ulcer secretion of oral cavity, gums and periodontal tissues. This bad breath is temporary and not universal. When the inflammation is eliminated, the odor does not exist.
The third kind of bad breath is the biggest headache. Very common, almost everyone often exists, and it has become a stubborn symptom in some people. The bad breath is too strong to talk to people at close range, and the chewing gum can't be pressed down. Drinking laxatives to clear the stomach can't get rid of it. It's no use cleaning your mouth with all kinds of mouthwashes. It is the oral odor caused by what people often say "stomach heat or stomach fire".
Because the oral cavity is the beginning of human digestive system, there are many beneficial bacteria in the oral cavity, including "digestive bacteria" and "digestive enzymes". When it is hyperactive, it will deeply digest the organic nutrients in the oral cavity (that is, "spoilage bacteria"), thus producing "spoilage bacteria" in the oral cavity, thus producing a strong oral odor.
Adult halitosis is mostly due to periodontal disease. This kind of people often have swollen gums, atrophy, wobbly teeth and weak chewing, and a small amount of pus overflows from the teeth, which makes the teeth gap bigger. This chronic inflammation and suppuration of gums and alveolar bones can produce bad breath. This bad breath can not be completely eliminated by gargling and brushing teeth, and it needs to be thoroughly treated in the hospital. The common treatment is to clean teeth regularly to remove dental plaque and calculus. Early periodontal disease can generally be cured after treatment. If it is delayed to the late stage, it is not only difficult to treat, but sometimes it is necessary to extract teeth.
In addition, dental caries can also produce bad breath, which is often called "worm teeth". There are food residues embedded in the cavity, and the residue will produce odor if it is fermented for a long time. In this case, bad breath can be eliminated as long as you find a dentist to fill your teeth. ?
There is also a kind of bad breath because of chronic gastrointestinal diseases and indigestion. You need to treat digestive tract diseases to get rid of bad breath.
We can drink more water. Drinking water has many benefits to our health, and preventing bad breath is one of them. Drinking more water can clean your mouth.
Chewing gum is also a way to prevent bad breath. You can chew gum more when you eat, but chewing gum will also hurt your teeth.
We can also drink some yogurt, which can reduce the content of hydrogen sulfide in the mouth, remove bad breath and purify the breath.