This section is from the book "Dental Medicine. A Manual Of Dental Materia Medica And Therapeutics", by Ferdinand J. S. Gorgas. Also available from Amazon: Dental Medicine.
Facial Paralysis is indicated by distortion of the face, in which the mouth is drawn to one side, being due to paralysis of the facial nerve. The eye may also remain permanently open on the affected side, the saliva escape from the corner of the mouth, and the food collect under the cheek, on account of the paralysis of the buccinator muscle.