If the incisors are loosened by eating hard things, it is recommended to go to the hospital for extraction if they are about to be replaced by milk teeth, and if they are loosened by periodontal membrane damage or tooth fracture, they need to be adjusted and fixed or root canal treatment. 1. Replacement of milk teeth. If the incisors loosen when eating hard things, we need to take pictures to check whether it is caused by the impending replacement of milk teeth, if the embryo underneath is about to erupt, we can go to the hospital for extraction of milk teeth after taking pictures and checking. 2. Accidental periodontal tooth injury. Incisors eat hard things loose, there may be a tooth shock or tooth fracture, there may be teeth with different degrees of looseness, tooth shock of the teeth need to be adjusted to fix the observation of the jaw, Yanzhe’s teeth, if the root of the fracture can be adjusted to fix the observation of the symptoms of endodontitis endodontic treatment, if the fracture site and the gingival sulcus traffic, you need to pull out the crown of the tooth after the endodontic treatment, and then staked core crown restoration. Incisor eating loosened, it is recommended to go to the hospital in time to deal with, to avoid further damage to the dentition periodontal.