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ISSN 2063-5346
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INCIDENCE OF INFRA ORBITAL NERVE INJURY FOLLOWING MAXILLARY ORTHOGNATHIC SURGICAL PROCEDURES

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Nishanthana Murali, M.P. Santhosh Kumar
» doi: 10.31838/ecb/2023.12.s2.152

Abstract

Objectives: The orthognathic surgeries done in the maxilla to some extent affect the infra orbital nerve and are usually caused by anterior maxillary osteotomy (AMO) and le fort 1 osteotomy. Hence these 2 surgeries and the incidence of nerve injury in them is assessed. The most common nerve injuries of the maxilla are the infra orbital nerve (ION). The aim of this study was to assess the incidence of nerve injuries following orthognathic surgical procedures done in the face. Infraorbital nerve (branch of maxillary branch of Trigeminal nerve) was the nerve taken for assessment. Materials and Methods: In this retrospective study, the data was collected from the hospital database and further analysis was done and the results were tabulated. A statistical analysis of the collected data regarding the variance among the different nerves injured in different mid facial fractures were assessed. Results: Of the 88 participants, 49 were female and 39 were male. Of the participants, 5.7% had an incidence of infraorbital nerve injury while 94.3 % did not experience any incidence of infraorbital nerve injury. Conclusion: The incidence of infraorbital nerve injury is present in about 6% of cases where orthognathic surgery has been performed in the maxilla. There is a significant association between infraorbital nerve injury and orthognathic surgery of the maxilla.

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