While the IOF has no statistically significant changes with regard to the size of the skull, expressive changes take place in the course and the length of the IOG and IOC. Meticulous preoperative evaluation of the IOF and the route of the infraorbital nerve are necessary in patients who are candidates for maxillofacial surgery and regional block anesthesia. If these measurements are taken into account, there will be little surgical risk, and this will be helpful in identifying the extent of the operative field.

A detailed knowledge of the anatomic morphometry of this area is necessary for a surgeon while performing maxillofacial surgery and regional block anesthesia. Anatomic variations on this area may take place and a surgeon must take this into consideration so as to increase the surgical success.

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A middle ear cholesteatoma was present in the majority of patients with facial paralysis caused by chronic otitis media. Gradual onset of facial paralysis was the most frequent pattern. Facial paralysis presented poor prognosis regardless of the presence of a cholesteatoma. There was no statistical difference among the results of surgical techniques.