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Accidental injury of the inferior alveolar nerve due to the extrusion of calcium hydroxide in endodontic treatment: a case report

 Yooseok Shin  ;  Byoung-Duck Roh  ;  Yemi Kim  ;  Taehyeon Kim  ;  Hyungjun Kim 
 Restorative Dentistry & Endodontics, Vol.41(1) : 63-67, 2016 
Journal Title
 Restorative Dentistry & Endodontics 
Issue Date
Calcium hydroxide ; Extrusion ; Inferior alveolar nerve ; Neurotoxic effects ; Surgical debridement
During clinical endodontic treatment, we often find radiopaque filling material beyond the root apex. Accidental extrusion of calcium hydroxide could cause the injury of inferior alveolar nerve, such as paresthesia or continuous inflammatory response. This case report presents the extrusion of calcium hydroxide and treatment procedures including surgical intervention. A 48 yr old female patient experienced Calcipex II extrusion in to the inferior alveolar canal on left mandibular area during endodontic treatment. After completion of endodontic treatment on left mandibular first molar, surgical intervention was planned under general anesthesia. After cortical bone osteotomy and debridement, neuroma resection and neurorrhaphy was performed, and prognosis was observed. But no improvement in sensory nerve was seen following surgical intervention after 20 mon. A clinician should be aware of extrusion of intracanal medicaments and the possibility of damage on inferior alveolar canal. Injectable type of calcium hydroxide should be applied with care for preventing nerve injury. The alternative delivery method such as lentulo spiral was suggested on the posterior mandibular molar.
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2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
김형준(Kim, Hyung Jun) ORCID logo https://orcid.org/0000-0001-8247-4004
노병덕(Roh, Byoung Duck)
신유석(Shin, Yoo Seok) ORCID logo https://orcid.org/0000-0003-1121-2570
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