When a tooth is half chipped, whether the rest will fall out on its own depends largely on the part of the tooth that is chipped. If there is no gum adhesion, it may fall out by itself, if there is partial gum adhesion, then it may not fall out by itself. 1. Without gum adhesion: If the tooth is half chipped, if the crown part is cracked in half, injuring the root part and causing the gum part to lose its adhesion completely, then the remaining half may fall off by itself. 2. Gum adhesion: If half of the tooth chipped, the root is not injured, the remaining part of the gums with adhesion, then the tooth is very likely not to fall out of their own, you need to go to the hospital dental clinic, in the help of a professional doctor to remove the loose part. A chipped half of the tooth needs to be dealt with in time, otherwise the crown of the tooth will become inflamed, which will trigger swelling and pain in the gums and lead to oral diseases. It is recommended that patients with toothache, loose teeth, chipped teeth and other conditions should be the first time to the hospital dental clinic, under the guidance of the doctor to clarify the specific situation of the teeth first, and symptomatic treatment to avoid triggering infection.