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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 213 - 218 (6page)
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초록· 키워드
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Purpose: The aim of this study was to evaluate the relationship between the mandibular canal and impacted mandibular third molars using cone-beam computed tomography (CBCT) and to compare the CBCT findings with signs on panoramic radiographs(PRs). Materials and Methods: This retrospective study consisted of 200 mandibular third molars from 200 patients who showed a close relationship between the mandibular canal and impacted third molars on PRs and were referred for a CBCT examination of the position of the mandibular canal. The sample consisted of 124 females and 76 males, with ages ranging from 18 to 47 years (mean, $25.75{\pm}6.15$ years). PRs were evaluated for interruption of the mandibular canal wall, darkening of the roots, diversion of the mandibular canal, and narrowing of the mandibular canal. Correlations between the PR and CBCT findings were statistically analyzed. Results: In total, 146 cases(73%) showed an absence of canal cortication between the mandibular canal and impacted third molar on CBCT images. A statistically significant relationship was found between CBCT and PR findings (P<0.05). The absence of canal cortication on CBCT images was most frequently accompanied by the PR sign of diversion of the mandibular canal(96%) and least frequently by interruption of the mandibular canal wall(65%). Conclusion: CBCT examinations are highly recommended when diversion of the mandibular canal is observed on PR images to reduce the risk of mandibular nerve injury, and this sign appears to be more relevant than other PR signs.
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참고문헌 (16)
참고문헌 신청
Hasegawa T / 2013 / Risk factors associated with inferior alveolar nerve injury after extraction of the mandibular third molar - a comparative study of preoperative images by panoramic radiography and computed tomography / Int J Oral Maxillofac Surg 42:843~851
Hasani A / 2017 / Diagnostic value of cone beam computed tomography and panoramic radiography in predicting mandibular nerve exposure during third molar surgery / Int J Oral Maxillofac Surg 46:230~235
Szalma J / 2010 / The prognostic value of panoramic radiography of inferior alveolar nerve damage after mandibular third molar removal: retrospective study of 400 cases / Oral Surg Oral Med Oral Pathol Oral Radiol Endod 109:294~302
Ghai S / 2018 / Role of panoramic imaging and cone beam CT for assessment of inferior alveolar nerve exposure and subsequent paresthesia following removal of impacted mandibular third molar / J Maxillofac Oral Surg 17:242~247
Korkmaz YT / 2017 / Does additional cone beam computed tomography decrease the risk of inferior alveolar nerve injury in high-risk cases undergoing third molar surgery? Does CBCT decrease the risk of IAN injury? / Int J Oral Maxillofac Surg 46:628~635
Hasani A / 2017 / Diagnostic value of cone beam computed tomography and panoramic radiography in predicting mandibular nerve exposure during third molar surgery / Int J Oral Maxillofac Surg 46:230~235
Szalma J / 2010 / The prognostic value of panoramic radiography of inferior alveolar nerve damage after mandibular third molar removal: retrospective study of 400 cases / Oral Surg Oral Med Oral Pathol Oral Radiol Endod 109:294~302
Ghai S / 2018 / Role of panoramic imaging and cone beam CT for assessment of inferior alveolar nerve exposure and subsequent paresthesia following removal of impacted mandibular third molar / J Maxillofac Oral Surg 17:242~247
Korkmaz YT / 2017 / Does additional cone beam computed tomography decrease the risk of inferior alveolar nerve injury in high-risk cases undergoing third molar surgery? Does CBCT decrease the risk of IAN injury? / Int J Oral Maxillofac Surg 46:628~635
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