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Volume 4
Issue 4
Online publication date 2010-12-10
Title Inferior alveolar nerve sensitivity changes after mandibular trauma
Author Dainius Razukevicius, Ricardas Kubilius, Gintautas Sabalys, Algirdas Lukosiunas, Simonas Grybauskas
Abstract The investigation was performed on 195 patients, who had fracture on mandibular angle zone. In control group pain thresholds of infraorbital nerve and inferior alveolar nerve did not differ significantly (p > 0.05). Consequently, lesion degree of inferior alveolar nerve and its functional recovery dynamics were estimated objectively according to pain threshold and lesion index of neural function. Stump dislocation extent has influence on neural lesion: the more expressed dislocation, the higher likelihood of severe lesion of inferior alveolar nerve. Three degrees of neural lesion were identified in the case of mandibular angle fracture. When minor lesion of inferior alveolar nerve took place (17.4%), sensation recovered in 21 days after stump reposition and fixation; moderate lesion of nerve (55.8%) had sensory recovery after 28 days, and in the case of severe lesion of nerve (26.6%) neural function did not recover even after 90 days.
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Keywords Inferior alveolar nerve damage, mandible fracture
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