Breath is putrid odor may be the mouth of food debris is not timely cleaned up, fermentation occurs, may also be due to the formation of dental caries, it is recommended to seek medical attention to clarify the cause of the disease. If you fail to brush your teeth or rinse your mouth in time after each meal, more food debris can remain in your mouth, and these debris will continue to ferment and decay under the action of oral bacteria, which will result in a more pronounced putrid odor of breath. Because of unhealthy oral hygiene, can lead to the occurrence of dental caries, teeth with carious cavity formation, more likely to accumulate residue, in addition to harming the teeth, putrid odor may be aggravated. Rancid breath caused by carious cavities is not easy to clean the cavities even with daily brushing, and requires grinding to remove decayed dentin, as well as rinsing and filling the cavities. Adhere to regular dental scaling to help clean tartar and plaque in the mouth and ensure healthy oral hygiene.