Loose teeth that fall out naturally cannot be put back in. Normal teeth are strong and generally do not loosen, but when teeth with chronic periodontitis, gum recession, alveolar bone shrinkage, so that the root of the tooth is exposed, loose teeth, such as failing to effectively intervene, and ultimately loose teeth natural fall out of the situation. A loose tooth that falls out naturally cannot be put back in place, as there is no longer any alveolar bone to enclose the root of the tooth, so it cannot be put in place. The natural tooth loss will require an implant or removable denture to restore the missing tooth after the wound has been smoothed out. Loose teeth that have fallen out naturally need to be examined and treated under the guidance of a doctor to avoid adverse consequences.