Tooth wear can be prevented by the following methods: 1, orthodontic treatment: in the presence of bite abnormalities, should be timely correction. For example, when permanent teeth erupt in childhood with uneven teeth, orthodontics can be performed, and some young people can also be treated to restore the bite relationship; 2, reasonable diet: when the preliminary orthodontics can not be completed, usually should try to eat less too strong, too sharp food; 3, avoid occupational factors: occupational habits caused by tooth wear, through other alternative ways to reduce the damage to the teeth.