The Journal of the Korean dental association (대한치과의사협회지)

The Korean Dental Association (대한치과의사협회)
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Sudden sensorineural hearing loss after third molar extraction: Case report and literature review

제 3대구치 발치 후 발생한 돌발성 난청: 증례보고 및 문헌 고찰

  • Kim, Hyung Ki (Office of Human Resources Development, Armed Forces Capital Hospital, Armed Forces Medical Command) ;
  • Kim, Il-hyung (Office of Human Resources Development, Armed Forces Capital Hospital, Armed Forces Medical Command) ;
  • Ku, Jeong-Kui (Department of Oral and Maxillofacial Surgery, Armed Forces Capital Dental Hospital, Armed Forces Medical Command) ;
  • Noh, Min-Ho (Department of otolaryngology, Armed Forces Capital Hospital, Armed Forces Medical Command)
  • 김형기 (인재개발실, 국군수도병원, 의무사령부) ;
  • 김일형 (인재개발실, 국군수도병원, 의무사령부) ;
  • 구정귀 (구강악안면외과, 국군수도치과병원, 의무사령부) ;
  • 노민호 (이비인후과, 국군수도병원, 의무사령부)
  • Received : 2020.02.07
  • Accepted : 2020.03.20
  • Published : 2020.06.30
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Abstract

This study reports the unusual complications of 22-year-old male who presented with sudden hearing loss after the right mandibular third molar extraction under local anesthesia with 3.6 ml of 2 % lidocaine. Total 8.75 mg of oral dexamethasone for 1 week immediately after extraction was prescribed in department of oral and maxillofacial surgery but hearing did not improve after 1 week. As referral to otolaryngology, total 600 mg of oral methylon and hyperbaric oxygen therapies were operated for 2 weeks. The hearing of patient was improved at 6 weeks after extraction but tinnitus was persisted even after 12 months. The reason and treatment were discussed with literature review, searching with the keywords ['hearing loss' AND ('dental' OR 'tooth extraction'OR'teeth extraction')] in PubMed and Google scholar at October 2019. Total five cases were reported after tooth extraction with local anesthesia. The sudden hearing loss could be associated with local anesthesia containing vasoconstrictors. Early steroid (extensive medication and intra-tympanic injection) and hyperbaric oxygen therapies were recommended within 2 weeks. As a proper treatment, hearing could be improved but other additional symptoms, such as tinnitus, dizziness, might be remained.

Keywords

References

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