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논문 기본 정보

자료유형
학술저널
저자정보
Shokri, Abbas (Dental Implant Research Center, Department of Oral and Maxillofacial Radiology, School of Dentistry, Hamadan University of Medical Sciences) Eskandarloo, Amir (Dental Implant Research Center, Department of Oral and Maxillofacial Radiology, School of Dentistry, Hamadan University of Medical Sciences) Norouzi, Marouf (Department of Oral and Maxillofacial Radiology, School of Dentistry, Urmia University of Medical Sciences) Poorolajal, Jalal (Department of Epidemiology and Noncommunicable Disease Research Center, School of Public Health, Hamadan University of Medical Sciences) Majidi, Gelareh (Department of Radiology, Tehran Dental Branch, Islamic Azad University) Aliyaly, Alireza (Dental Implant Research Center, Department of Oral and Maxillofacial Radiology, School of Dentistry, Hamadan University of Medical Sciences)
저널정보
대한영상치의학회 Imaging science in dentistry Imaging science in dentistry 제48권 제1호
발행연도
2018.1
수록면
11 - 19 (9page)

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Purpose: This study compared the diagnostic accuracy of cone-beam computed tomography (CBCT) scans obtained with 2 CBCT systems with high- and low-resolution modes for the detection of root perforations in endodontically treated mandibular molars. Materials and Methods: The root canals of 72 mandibular molars were cleaned and shaped. Perforations measuring 0.2, 0.3, and 0.4 mm in diameter were created at the furcation area of 48 roots, simulating strip perforations, or on the external surfaces of 48 roots, simulating root perforations. Forty-eight roots remained intact(control group). The roots were filled using gutta-percha (Gapadent, Tianjin, China) and AH26 sealer (Dentsply Maillefer, Ballaigues, Switzerland). The CBCT scans were obtained using the NewTom 3G (QR srl, Verona, Italy) and Cranex 3D (Soredex, Helsinki, Finland) CBCT systems in high- and low-resolution modes, and were evaluated by 2 observers. The chi-square test was used to assess the nominal variables. Results: In strip perforations, the accuracies of low- and high-resolution modes were 75% and 83% for NewTom 3G and 67% and 69% for Cranex 3D. In root perforations, the accuracies of low- and high-resolution modes were 79% and 83% for NewTom 3G and was 56% and 73% for Cranex 3D. Conclusion: The accuracy of the 2 CBCT systems was different for the detection of strip and root perforations. The Cranex 3D had non-significantly higher accuracy than the NewTom 3G. In both scanners, the high-resolution mode yielded significantly higher accuracy than the low-resolution mode. The diagnostic accuracy of CBCT scans was not affected by the perforation diameter.
#Data Accuracy #Tooth Root #Cone-Beam Computed Tomography #Radiography

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참고문헌 (20)

참고문헌 신청
Tsesis I / 2006 / Diagnosis and treatment of accidental root perforations / Endod Topics 13:95~107 Crossref Ingle JI / 1961 / A standardized endodontic technique utilizing newly designed instruments and filling materials / Oral Surg Oral Med Oral Pathol 14:83~91 Crossref de Chevigny C / 2008 / Treatment outcome in endodontics: the Toronto study-phase 4: initial treatment / J Endod 34:258~263 Crossref Shemesh H / 2011 / The use of cone-beam computed tomography and digital periapical radiographs to diagnose root perforations / J Endod 37:513~516 Crossref Grondahl HG / 2004 / Radiographic manifestations of periapical inflammatory lesions / Endod Topics 8:55~67 Crossref

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