There are more reasons why the bed of the tooth has not grown flat after more than half a year after extraction, which may be related to larger trauma, root remnants, apical periodontitis, etc. 1. Larger trauma: If the wound area produced during tooth extraction is larger, the time for the tissue to repair itself will also be prolonged. If the nutritional intake in the body is insufficient, it will also affect the recovery of the tooth socket. 2. Root residue: If the broken root remains in the socket during tooth extraction, it may lead to bacterial growth and prolong the wound healing time. 3. Apical periodontitis: If the extraction of teeth causes the adjacent teeth to develop apical periodontitis, the area of the lesion in the apical region is relatively large, which may affect the healing of the extraction wound due to the spread of inflammation, leading to unevenness of the alveolar socket half a year after the extraction of teeth. More than half a year after the extraction of the tooth bed is not flat can also be seen in other reasons, it is recommended to consult a doctor in a timely manner, follow the doctor’s instructions for relevant examinations, with the help of the doctor to clarify the cause, and targeted treatment or treatment.