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SENSORY IMPAIRMENT OF INFERIOR ALVEOLAR, MYLOHYOID NERVES AND LINGUAL NERVE AFTER MANDIBULAR THIRD MOLAR REMOVAL SURGERY

Dr Nouman Mustafa, Dr Misbah Ijaz, Dr Farah Asghar, Dr Mohsin Majeed

Abstract: Objective: The aim of this study was to investigate the sensory deterioration rate of the lingual, inferior alveolar and mylohyoid nerves after removal of the inferior third molar and to compare the results with other studies. The protocol, if specified, and routine post-operative follow-up to estimate the need and cost effects. Study Design: A prospective study. Place and Duration: In the Department of Oral Surgery, Nishtar Institute of Dentistry Multan for two years duration from March 2017 to March 2019. Methods: A total of 5856 third mandibular molars were removed; 585 of them were operated under general anaesthesia and 690 underwent local anaesthesia with or without sedation. Results: Of the 1275 patients, 58 (4.57%) had a transient sensory disorder affecting only one or a combination of these nerves. Only 15 patients (1.18%) had anaesthetic impairment and the remaining 43 patients (3.42%) were paraesthetic in nature. All of these were completely resolved during the study, with the exception of one patient experiencing permanent impairment of lingual nerve function and the patient in the general anaesthesia group. Conclusion: Permanent sensory impairment was not recorded for inferior alveolar and mylohyoid nerves. Surgical criteria and the rationale for treatment are discussed with appropriate information form and follow-up need for the patient. Key Words: Lingual nerve, Lower alveolar nerve, Mylohyoid nerve, Third molars, Paresthesia, Sensory disorder

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