Tooth decay, also known as dental caries, it is due to bacterial invasion of dental hard tissues caused by dental hard tissue decay, disintegration of the disease, due to bacteria, and some of these bacteria are gas-producing podocarpus bacteria, which will decompose substances in the oral cavity to form the emission of odorous gases, which formed the corresponding stinky situation. In this case, the effect of drugs is not ideal, the best way is to treat the root cause of the disease, you need to go to a professional stomatology by a professional stomatologist to see the application of stomatology power system will be removed from the carious part of the caries, and prepare the corresponding hole shape, the application of filling materials to fill the cavity, the whole treatment process is over.