Abstract
Inferior alveolar nerve paresthesia caused by periapical infection: A case report
Highlights
Paresthesia consists of a sensation of numbness or tingling, resulting from neural injury [1]
About half of the cases concerning facial paresthesia originate in procedures or dental pathology, with the inferior alveolar nerve (IAN) and the mental one being most frequently affected [2]
Ferreira I (2018) Inferior alveolar nerve paresthesia caused by periapical infection: A case report Figure 1
Summary
Paresthesia consists of a sensation of numbness or tingling, resulting from neural injury [1]. Endodontic-related paresthesia is a rare complication in endodontics and can be related to periapical pathology (infection) or endodontic iatrogenic causes, as a consequence of incorrect treatment of the root canals (over-instrumentation or overfilling), resulting in mechanical pressure and/or chemical injury [2]. The aim of this report is to describe a case of IAN paresthesia due to the expanding endodontic infection, not clearly detected by the conventional radiographic exam, and the use of CBCT, with enhanced sensitivity, to aid the diagnostic, supporting the clinical exam, and influencing the treatment plan. A CBCT scan was undertaken, clearly showing an impressive lesion with great bone destruction, in direct contact with the inferior alveolar nerve, compressing it (Figures 2 and 3). Ferreira I (2018) Inferior alveolar nerve paresthesia caused by periapical infection: A case report Figure 1. The patient agreed with the surgery, after nearly 2 weeks, as the symptoms subsided, she missed the appointment and the attempts to call her again were unsuccessful
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