Tooth drilling may produce a certain degree of pain, but generally can be tolerated, if the fear of pain, can be drilled after anesthesia, it is recommended to go to the hospital for specific examination and treatment. Drilling is generally using high-speed handpieces to intermittently grind away the tooth, in the high-speed rotation at the same time there is cold water cooling can play a role in relieving pain, so it is generally not particularly painful. If dental caries deep into the location of the nerve, may be severe pain, in the drilling will produce hot and cold stimulation pain, it is generally recommended to anesthesia, can be local infiltration anesthesia or nerve block anesthesia before drilling. For patients with abscesses, direct drilling will cause pain, and it is recommended to drill the tooth after most of the abscesses have subsided.