POST TRAUMATIC INFERIOR ALVEOLAR NERVE IMPAIRMENT AND RECOVERY PATTERN IN MANDIBULAR FRACTURES
DOI:
https://doi.org/10.33279/jkcd.v4i2.264Keywords:
Inferior dental nerve, Lip parasthesia, Fracture mendibleAbstract
Objective: The purpose of study is to determine the incidence of inferior alveolar nerve injury in mandibular fracture, recovery rate and time period in patients with sensory disturbance.
Methodology: This study was carried out in the Department of Oral & Maxillofacial Surgery, Khyber College of Dentistry Peshawar from November 2012 to October 2013. A total of 100 patients with mandibular fractures having complaint of lip numbness were included in the study. Thorough history, clinical examination and imaging were carried out for diagnosis of fracture mandible. Patients complaining lip numbness were included and assessed objectively by neurosensory testing at Level A and Level B sensations preoperatively and in follow up period. The data was recorded on specifically designed proforma, evaluated and analysed by applying descriptive statistics using SPSS version17.
Results: A total of 100 patients with mandibular fracture were included in this study. Symptoms of nerve injury were present in 73 patients (73%). Out of 73 patients having nerve injury, 58 were male and 15 were females with male to female ratio of 3.86:1. Their ages ranged from 18 to 57 years with mean age of 27.16± 9.52 years. In 100 patients, 53 had fracture site located between lingula and mental foramen while 47 patients had fracture site anterior to mental foramen. Nerve injury was present in 43 (81%)out of 53 patients who had fracture located between lingula and mental foramen. In 47 patients having fracture site distal to mental foramen 30 patients (63%) had nerve injury. Fifty nine patients had mild hypoesthesia at Level A and 14 patients had moderate hypoesthesia. In this study 98 % had recovered sensation at level A and 100 % recovery at level B sensation in 4 months’ time.
Conclusions: Majority of patients having mandibular fracture and inferior alveolar nerve injury are young males. Mild hypoesthesia is common and majority of patients having alveolar nerve injury recover in 4 months’ time.
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Copyright (c) 2014 Atta-ur-Rehman, Rabia Noreen, Tariq Ahmad, Qiam-ud-Din
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