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KMID : 0362320120370040232
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Journal of Korean Academy of Operative Dentistry
2012 Volume.37 No. 4 p.232 ~ p.235
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Hypoesthesia after IAN block anesthesia with lidocaine: management of mild to moderate nerve injury
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Moon Sung-Joo
Lee Seung-Jong
Kim Eui-Seong
Lee Chan-Young
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Abstract
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Hypoesthesia after an inferior alveolar nerve (IAN) block does not commonly occur, but some cases are reported. The causes of hypoesthesia include a needle injury or toxicity of local anesthetic agents, and the incidence itself can cause stress to both dentists and patients. This case presents a hypoesthesia on mental nerve area followed by IAN block anesthesia with 2% lidocaine. Prescription of steroids for a week was performed and periodic follow up was done. After 1 wk, the symptoms got much better and after 4 mon, hypoesthesia completely disappeared. During this healing period, only early steroid medication was prescribed. In most cases, hypoesthesia is resolved within 6 mon, but being aware of etiology and the treatment options of hypoesthesia is important. Because the hypoesthesia caused by IAN block anesthesia is a mild to moderate nerve injury, early detection of symptom and prescription of steroids could be helpful for improvement of the hypoesthesia.
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KEYWORD
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Hypoesthesia, Inferior alveolar nerve block, Lidocaine, Local anesthetics, Medication
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