Dental anesthesia will have different degrees of pain, but generally tolerable, specifically related to the individual’s tolerance level. Commonly used methods of dental anesthesia include periodontal injection, supraperiosteal infiltration anesthesia and block anesthesia. Periodontal injection is the injection of medication into the periodontal tissues, and due to the high pressure, the injection will cause significant pain, but the pain tends to last for only a few seconds. Supraperiosteal infiltration anesthesia is the injection of anesthesia into the superficial surface of the periosteum. Block anesthesia involves injecting anesthesia into the vicinity of the nerve trunk at a deeper depth than infiltration anesthesia. Due to the low injection pressure, supraperiosteal infiltration anesthesia and block anesthesia are less painful than periodontal injections. However, the exact pain varies from person to person, so it is recommended not to worry about it, and it is generally tolerable, and you should follow your doctor’s instructions.