Teeth loose when eating hard, need to be judged according to the specific situation, if the loosening amplitude is relatively small, do not need to do any treatment, can be gradually recovered, if the loosening amplitude is relatively large, you can seek medical treatment for fixation. If you are not careful when eating hard things, you may make the incisors loose, when the incisors loose around the periodontal membrane will appear edema, if only a slight loosening of the teeth, do not need to do any treatment, wait until the periodontal membrane edema elimination of the roots will gradually stabilize and return to the normal state. If the loosening of the incisor is more serious, the loosening amplitude is larger, and the tooth has a crown fracture or root fracture, you can do crown restoration, etc. If it is a root fracture, you can choose to fix or extract according to the specific circumstances. Usually, we must do a good job of protecting the teeth to avoid the recurrence of loose teeth. In addition, patients should brush their teeth carefully to keep their mouth clean and hygienic, and do not eat too cold, too hot or too hard food in terms of diet.