Children’s milk tooth root necrosis is generally not good to extract. Children’s milk teeth are relatively small, if there has been a milk tooth root necrosis, at this time there is a certain degree of difficulty in extracting the tooth, so before the root is not completely necrotic it is best to remove the milk tooth in advance, so as not to affect the growth of permanent teeth in the later stage, if the milk tooth has been completely decayed, then it may be necessary to carry out a cut to extract the tooth. Usually must be in the condition of local anesthesia to remove the teeth, but also need to cut a little gums, after the extraction of the teeth can first observe the children’s teeth, under the guidance of the doctor to do a good job after the extraction of precautions. Usually need to pay attention to the children’s dental health, it is best not to often give children to eat food containing more sugar and salt.