KROK 1 Dentistry

Practice session

During surgical extraction of a deeply impacted mandibular third molar with roots in intimate proximity to the lingual cortical plate, the lingual plate fractures and the surgeon instruments the medial aspect of the alveolar crest. Postoperatively, the patient has complete loss of taste and general somatic sensation over the anterior two-thirds of the tongue and lingual gingiva, with preserved tongue motility. Which precise anatomical course and nerve fiber composition account for this specific neurological deficit?

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