1, poor oral hygiene: food is often blocked and not cleaned in time, which may cause gum inflammation due to food fermentation, and a large number of dental calculus and dental plaque can cause bad breath. In this case, it is recommended to wash your teeth regularly, and you can also use mouthwash or anti-inflammatory drugs to remove dental plaque and calculus, control gingival inflammation, and improve bad breath to some extent.
2. Other oral factors: such as oral mucosal diseases, poor restorations, food impaction caused by porcelain teeth, failure to floss teeth in time, and failure to clean removable dentures can all cause bad breath. Dental cavity food impaction or wisdom tooth failure, blind bag food impaction, repeated inflammation, etc. It may also cause bad breath;
3, systemic diseases: bad breath may be related to systemic diseases, such as indigestion, constipation and so on. It needs to be treated according to the corresponding digestive tract diseases.
In addition, patients with tooth decay need timely diagnosis and treatment, and wisdom teeth with repeated inflammation can be considered for removal. Some patients with bad breath can go to the stomatological hospital to test the exhaled gas composition without finding out the reason. Drugs for bad breath may not be effective. You can carry chewing gum with you and keep your breath fresh by chewing gum if necessary.