The cause of unpleasant odor may be related to poor oral hygiene, dental caries, chronic gastritis and so on.
1. Poor oral hygiene: not diligent brushing and other bad oral hygiene habits, can lead to a large number of food debris embedded in the teeth for a long time, through the oral bacterial fermentation, decomposition of a large number of unpleasant odors, there can be the phenomenon of bad breath.
2. Dental caries: food residues in the carious cavities are fermented and decomposed by oral bacteria, which can lead to unpleasant odor in the mouth and unpleasant breath.
3. Chronic gastritis: chronic inflammation of the gastric mucosa can lead to a decline in the digestive function of the stomach, so that the stomach emptying time is prolonged, a large amount of food in the stomach fermentation, there can be a bad smell from the mouth to escape the situation.
It is recommended to go to the hospital in time to clarify the cause of the unpleasant odor; if treatment is needed, standardize the treatment under the guidance of the doctor.