Journals on Emergency Medicine - BJSTR Journal

Abstract

One of the serious complications associated with the inferior wisdom teeth removal is the injury to the #inferior alveolar nerve (IAN), and the subsequent sensation impairment in the area corresponding to the terminal branches of the nerve. Some authors report that the IAN injury during surgery occurred in 0.5 up to 8.4% of cases [1-3]. The sensation impairments are usually temporary; only in less than 1% cases these changes may be permanent [4]. Rarely, taste disturbance could occur after local IAN #anesthesia, because of the local #anesthetic (LA) on the chorda tympani nerve [5, 6]. Haas DA et al. [7] reported that nerve injury can also occur after nonsurgical procedures [7]. The cause is not known, but it can be one or a combination of several factors, including: the #traumatic injury to the nerve by direct puncture with the needle, #hemorrhage in the nerve sheath, hydrostatic pressure during injection, potential #neurotoxic effect of LA itself [8] or a #hematoma pressuring on the IAN [9]. The permanent IAN injury caused by LA injection was reported in 0.0001 to 0.01% cases, and was the second most frequent cause, after the removal of the third molar [10].The peripheral nerve sensory impairments are likely to be persistent when the following conditions are associated: the injury is severe, the patient is older, the therapy is delayed, and the injury is closer to the nerve cell body [11].

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Is Hypoesthesia in Mental and Incisive Nerves Areas A Complication of Inferior Alveolar Nerve Block or/and Wisdom Tooth Odontectomy?  by Mirică Ioana Codruţa in BJSTR