There is no effective treatment for numbness of lips after two years of dental implantation. Nutritional drugs such as vitamin B₁₂ can be used to alleviate the symptoms. Dental implant surgery, if the implant compression or damage to the lower alveolar nerve, can cause numbness of the lips, general nerve damage has a certain self-repair ability, in the doctor’s orders to give nutritive nerve medications such as vitamin B₁₂, methylcobalamin, etc. to promote the recovery of nerve function, generally about 2 weeks after the operation can be restored to normal. If the long-term numbness of lips after dental implants is mostly due to irreversible nerve damage, there is generally no effective treatment, you can give the above nutritive nerve drugs to relieve the symptoms, pay attention to oral hygiene and cleanliness, and eat a light diet. If the lips are numb for a long time after dental implantation, it is recommended to go to the hospital as soon as possible and standardize the treatment under the guidance of a professional doctor, so as not to cause nerve death and irreversible damage.