The nerves anesthetized are the mental and incisive nerves. The areas anesthetized are the buccal mucous membrane anterior to the mental foramen usually from the 2nd premolar to the midline, the lower lip, the skin of the chin, and the pulpal nerve fibers to the premolars, canine and incisors. The landmarks are the mandibular premolars and mucobuccal fold, the target mental foramen through which the mental nerve exits and the incisive nerve is located. In order to locate the area of insertion, place your finger in the mucobuccal fold against the body of the mandible and the first molar area. Move it slowly anteriorly until you feel the bone become irregular and concave. The mental foramen is located between the apices of the two premolars. Pressure anesthesia is required during the injection. After the injection apply pressure at the injection site for 1-2 minutes.
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