Handbook of Local AnesthesiaAbout This Hardback The technique used to cause the absence of sensation in a certain body part is referred to as local anesthesia. It can be used for minor procedures as it does not cause unconsciousness, just local insensitivity to pain. Local anesthesia helps patients to go through surgical and dental procedures with reduced or no pain and distress. It can also be used to decrease the effects of non surgical pain. The local anesthetic drug is used