Effect of location of fracture line and surgically visible nerve entrapment in recovery of infraorbital nerve following zygomatico-maxillary complex fracture- A prospective study
Journal Title: Medpulse International Journal of Dentistry - Year 2017, Vol 2, Issue 1
Abstract
Background: In zygomatico-maxillary complex fracture infraorbital nerve is commonly affected due to its course in infraorbital canal and vacation at infraorbital foramen. This may result in temporary or permanent neurosensory deficiency resulting in feeling of numbness, or loss of few sensations in upper lip, lateral wall of nose and lower eyelid. The aim of this study was to find out post traumatic pre-operative incidence of infraorbital nerve, its post operative recovery, and its association with location of fracture line, visible nerve entrapment. Material and method A prospective study was performed on 88 patients with isolated, unilateral, displaced zygomatico-maxillary complex fracture requiring open reduction. Patients with the age ranging from 18 to 60 were included in study. Result: Among eighty eight patients 73.86% had fracture line passing through infraorbital foramen, of which 13.84% had permanent neurosensory deficiency. None of patient with fracture line not passing through infraorbital foramen had permanent neurosensory deficiency. Among eighty eight patients forty five (51.13%) patients had surgically visible nerve entrapment, of which 17.77% of patients had postoperative permanent neurosensory deficiency. While among patients without nerve entrapment 2.32% showed parmanent neurosensory deficiency Conclusion: This study conclude that in spite of applying advanced treatment modality that is open reduction and miniplate osteosynthesis for zygomatico-maxillary complex fracture, location of fracture line through the infraorbital foramen and surgically visible nerve entrapment together are strongly associated with some form of permanent neurosensory deficiency of infraorbital nerve.
Authors and Affiliations
Ajinath Jadhav, Vijay Deshmukh
Keywords
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