Pull out mandibular fangs how anesthesia

The lower alveolar nerve block anesthesia was used to pull out the mandibular fangs. When the patient opens a large mouth, a longitudinal cord of mucous folds, the pteromandibular ligament, can be seen behind the molars and in front of the pharyngopalatine arch. The point of intersection 3~4mm outside the midpoint line between it and the maxillary alveolar crest is the injection mark. The injection needle should be 1cm higher than the occlusal surface of the mandibular tooth, and parallel with it. The needle should be inserted from the injection mark to the bone surface, about 2.5cm deep. When no blood is drawn back, appropriate amount of anesthetic can be injected to numb the inferior alveolar nerve. As the lingual nerve is located about 1cm in front of the inferior alveolar nerve, the injection needle is withdrawn 1cm and 0.5-1ml anesthetic is injected to anesthetize the lingual nerve. Buccal nerve can be anesthetized if 0.5 ~ 1ml anesthetic is injected when the needle is retreated to the muscular layer and submucosa. The lower alveolar nerve and the tongue and buccal nerve on the same side should be anesthetised at the same time to achieve the painless purpose of tooth extraction. 5 minutes after the end of the above operation, the patient felt numbness and swelling in the ipsilateral corner of the mouth, the lower lip and the tip of the tongue, indicating that the anesthesia was effective and the tooth extraction operation could be performed.

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