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Nardi P., Acocella A., Acocella G.
Fractures of the zygomatic-orbito-maxillary complex (ZOM) are among the most frequent in maxillo-facial surgery. The study evaluates treatment for this type of fracture in the long-term and the sequelae linked to it. Patients who had been operated between february 1998 and november 1999 to reduce and retain ZOM fractures were subjected to check-up examination at the Maxillo-Facial Surgery Operative Unit, Florence. Cases selected had been operated via trans-oral access with incision of the superior vestibular fornix and where necessary with application of means of retention (Foley balloon and/or wire or plate-and-screw osteosynthesis). In these patients, the presence of residual deformities was evaluated together with enophthalmos, diplopia, compromised mouth opening if present, inflammation of the mucosa of the maxillary sinus, and above all incidence of sensory deficit in the distribution area of the infra-orbital nerves and the dental plexus. Particular attention was paid to evaluating tooth sensitivity on the side involved by the trauma, for any damage of the dental plexus. The most frequent sequela found in our group was lesion of the infra-orbital nerves, and a lower percentage of other sequelae such as residual deformities, enophthalmos or diplopia. Interestingly, in all cases in our series there was a significant reduction in tooth sensitivity on the side of the lesion, above all in the anterior sectors.