Causes for Bad Breath | Hi9 | Dr.Sai Lavanya Nuvvula | Periodontist & Implantologist | Dr.Gowd's Dental Hospital - Main Causes for bad breath are two types

1) External Oral causes

2) Internal Oral Causes

External Oral causes apart from the mouth those are like systemic diseases like any Diabetic, Liver diseases, Respiratory diseases, Gastro diseases Internal Oral Causes are related to the Dentisian and the Oral cavity which includes the abnormally position tooth, some kind of gum diseases