Sensory impairment following lower third molar surgery : A preliminary study

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Sensory impairment following lower third molar surgery : A preliminary study

W. Mahadzir, K.M. Yeun, Z.A. Khamiza, Z.A. Bakar: Sensory impairment following lowerthird molar surgery : A prospective study. Mal. J. Oral Maxillofax. Surg. 2002: 2: 6–11.

Abstract:This single centre 5 year prospective study reports the incidence ofimpairment of inferior alveolar nerve ( IAN) and lingual nerve sensation followingthe removal of impacted lower molars and investigates the relationship betweennerve damage and age, depth and type of impaction, gender, surgical technique,time taken, raising of the lingual flap during surgery and grade of staff andassistant. The study covers 246 patients who had 261 wisdom teeth removed. Thepatients were unselected for age, gender or social class.Impairment was determined by direct questioning of the patients. After 7 daysthe incidence of lingual nerve impairment was 2.0% percent. The incidence ofinferior alveolar nerve impairment was 2.8% percent. No permanent nerve damagewas recorded. The study suggests that lingual and inferior dental nerve paraesthesiawere related to the type of impaction, degree of difficulty and not sectioning thetooth.