The causes of oral odor are physiological factors, and may also be a manifestation of oral diseases or systemic diseases.
Morning odor can automatically disappear after brushing, this situation is caused by physiological factors, do not need to deal with.
Dental caries caused by gingivitis or periodontitis, inflammatory changes in the oral cavity caused by odor, the need for scaling and medication or dental treatment can be relieved.
In addition, systemic diseases can also cause oral odor, such as gastrointestinal system diseases, respiratory system diseases or blood system diseases. They need to be treated accordingly.
Therefore, the first step is to find out the cause of the bad breath, exclude systemic diseases through dentistry, and further examination needs to go to gastroenterology, respiratory diseases or hematology for medical treatment.