Melika Sadat Mortazavi
The extraction of lower third molars is one of the most incessant surgeries in Dentistry. Among the more important dangers related with this activity are the injury of the fringe somatosensory parts of the trigeminal nerve, basically that of the lingual and substandard alveolar nerves. The taste driving forces started in the front region of the tongue are communicated to the medulla oblongata through the gustatory filaments that are first incorporated in the lingual nerve, part of the mandibular division of the trigeminal nerve. Subsequent to going through this nerve they leave to frame part of the chorda tympani, part of the facial nerve. Because of the anatomical course of the lingual nerve, the gustatory strands are in closeness to the lower third molar, close to the mandibular lingual cortical plate, making this zone particularly vulnerable to careful injury. It is conceivable that some gustatory strands emerging from the tongue additionally arrive at the cerebrum stem through the mandibular part of the trigeminal nerve. The presence of this elective pathway may clarify the announced instances of one-sided loss of taste subsequent to segment the base of the trigeminal nerve.
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