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IMPAIRMENT OF MYLOHYOID, INFERIOR ALVEOLAR AND LINGUAL NERVE IMPAIRMENT AFTER 3RD MANDIBULAR MOLAR REMOVAL

Dr Hamza Zahid, Dr Zunaira Ghafoor, Dr Muhammad Kamran

Objective: The aim of this study was to determine the frequency of sensory impairment of the mylohyoid, inferior alveolar and lingual nerves after the removal of inferior third molar. Methods: From 1275 subjects; 2456 total third mandibular molars were removed, 585 of whom were operated under GA, and local anaesthesia was given in 690 with or without sedation. Study design: A prospective study. Place and Duration: In the Oral and Maxillofacial surgery department of Mayo Hospital Lahore for two year duration from March 2017 to March 2019. Results: The transient sensory impairment was seen in 58 (4.57%) from 1275 patients. The anaesthetic impairment was observed in 15 (1.18%) of cases and remaining 43 (3.42%) patient’s injury was paraesthetic in nature. All of them recovered totally through study duration, excluding for 1 subject who had a permanent damage in the function of the lingual nerve and was from the GA group. Conclusion: In the inferior mylohyoid and alveolar nerves; no permanent sensory impairment was noted. Keywords: Inferior alveolar nerve, lingual nerve, third molar, mylohyoid nerve, sensory disorder, paraesthesia.

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