There is no worm in toothache, generally speaking, tooth decay is said to be worm tooth, tooth decay, but in fact, there is no worm to make tooth decay, what causes tooth decay is smaller bacteria than worm, tooth decay is a disease caused by the infection of pathogenic bacteria to the hard tissue of the tooth, which causes the decay and disintegration of the hard tissue of the tooth, if we understand from a smaller perspective, if we imagine the bacteria as worm, we can also think so. For the treatment of dental caries, it is necessary to go to professional dentistry, apply the power system of dentistry, remove the decayed part of dental caries, then prepare the corresponding cavity shape, and apply the special filling material to fill the cavity well, which is the fundamental way to treat dental caries.