Cavities on the surface of tiger teeth indicate the occurrence of dental caries, which should be treated promptly by removing the necrotic tissues of dental caries and carrying out restorative treatment. The most common cause of cavities on the surface of tiger teeth is due to oral hygiene problems, such as food debris, bacteria and other long-term residue on the surface of the teeth, so that the tooth tissue is damaged to form cavities. If there is no invasion of the pulp, it is necessary to remove the decayed tissue, and then fill it to restore the shape, if the caries is not treated in time to cause pulpitis, then it is necessary to carry out root canal treatment before restoration. It is recommended to go to the dental specialist hospital in time, and actively make artificial intervention on caries, to avoid the adverse consequences, resulting in having to extract the tooth.