Evaluation of facial innervation

Facial innervation
Sensory - n. trigeminus. It is evaluated by palpation at the site of exits of the branches of the trigeminal nerve (foramen supraorbitale, foramen infraorbitale, foramen mentale) – palpation is painful during affectations. Motor – n. facialis. Malfunction -
 * 3 outputs:
 * n. supraorbitalis;
 * n. infraorbitalis;
 * n. mentalis.


 * Central: Stroke – Paralysis of the lower branch of the n. facialis, extermination of sulcus nasolabialis, drooping corner.
 * Peripheral: Bell's disease – Paralysis and upper branches of the n. facialis – can not bend the forehead, pinch the eyelids, symptom of the pipe.

Examination - We ask the patient to frown (and wrinkle his forehead), inflate his cheeks, brush his teeth and whistle. If the innervation is damaged, it will not be able to handle these actions.

Literature used

 * BEETLE, Ladislav, et al. Propedeutics of Internal Medicine. 2nd edition. Grada, 2003. ISBN 80-247-0609-1.