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KMID : 1146620220110020055
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Journal of Korean Academy of Advanced General Dentistry
2022 Volume.11 No. 2 p.55 ~ p.61
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Lingual Nerve Hypoesthesia caused by Extraction of the Third Mandibular molar with Distoangulation: A Case Report & Literature Review
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Kim Geun-Hyung
Song Seung-Rye
Choi Jung-Lim
You Tae-Min
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Abstract
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Extraction of the mandibular third molar is a frequently performed dental treatment, but since various complications can occur, it is necessary to evaluate the difficulty of extraction before treatment and proceed with careful treatment. The lingual nerve is responsible for the sensation of the anterior 1/3 of the tongue and the lingual soft tissue of the mandibular molars. The frequency of hypoesthesia of lingual nerve after extraction is lower than that of the inferior alveolar nerve, but recovery is slower due to the difference in anatomical structure and location from that of the lower alveolar nerve.
The inclination of third molars is classified into mesioangulation, distoangulation, vertical, and horizontal. It is known that extraction of molars with distoangulation is difficult and may increase the probability of hypoesthesia. We report a case of hypoesthesia of lingual nerve after extraction disto-angular lower third molar, and review the literatures on the characteristic of third molar of distoangulation and potential risk factors causing hypoesthesia of lingual nerve.
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KEYWORD
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Lingual nerve, Hypoesthesia, Extraction, Molar, Third
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