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TO DETERMINE THE INCIDENCE OF LINGUAL NERVE INJURY DURING THIRD MANDIBULAR MOLAR EXTRACTION UNDER LOCAL ANAESTHESIA

Dr Nayab, Dr Yasmeen Shafqat, Dr Iqra Naz

Objective: To determine the incidence of lingual nerve injury during third molar surgery and to correlate various factors associated with lingual nerve paraesthesia. Study design: A cross-sectional study. Place and Duration: In the Oral and Maxillofacial department of Liaquat University Hospital Jamshoro Hyderabad for two years duration from June 2017 to June 2019. Methods: A prospective audit was performed and documented the frequency of paraesthesia as patients were treated by different consultants, specialist registrars, and post graduate residents. Results: A total of 250 patients were evaluated. From these, two patients reported transient lingual nerve paraesthesia and one patient stated enduring lingual nerve paraesthesia. There were no reports of patients with transient and inferior alveolar nerve permanent paraesthesia. Conclusion: It was concluded that the factors causing temporary or permanent paraesthesia are in fact difficult to extract. Other parameters such as operator age and medical condition of the patient, gender, level of effect, flap type, and the side of the tooth associated with the hand of the operator had a minimal effect on the outcome. Key words: lingual nerve injury, sensory impairment, third molar extraction, inferior alveolar nerve injury.

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