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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 11 - 15 (5page)
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초록· 키워드
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Purpose: This study was performed to investigate the intra- and inter-observer variability in linear measurements with axial images obtained by PreXion (PreXion Inc., San Mateo, USA) and i-CAT(Imaging Sciences International, Xoran Technologies Inc., Hatfield, USA) CBCT scanners, with different voxel sizes. Materials and Methods: A cylindrical object made from nylon with radiopaque markers (phantom) was scanned by i-CAT and PreXion 3D devices. For each axial image, measurements were taken twice in the horizontal(distance A-B) and vertical (distance C-D) directions, randomly, with a one-week interval between measurements, by four oral radiologists with five years or more experience in the use of these measuring tools. Results: All of the obtained linear measurements had lower values than those of the phantom. The statistical analysis showed high intra- and inter-observer reliability (p=0.297). Compared to the real measurements, the measurements obtained using the i-CAT device and PreXion tomography, on average, revealed absolute errors ranging from 0.22 to 0.59 mm and from 0.23 to 0.63 mm, respectively. Conclusion: It can be concluded that both scanners are accurate, although the linear measurements are underestimations, with no significant differences between the evaluators.
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참고문헌 (28)
참고문헌 신청
Sima Nikneshan / 2014 / Accuracy of linear measurement using cone-beam computed tomography at different reconstruction angles / Imaging Science in Dentistry 44(4):257~262
Wikner J / 2016 / Linear accuracy and reliability of volume data sets acquired by two CBCT-devices and an MSCT using virtual models: a comparative in-vitro study / Acta Odontol Scand 74:51~59
Leung CC / 2010 / Accuracy and reliability of cone-beam computed tomography for measuring alveolar bone height and detecting bony dehiscences and fenestrations / Am J Orthod Dentofacial Orthop 137(4Suppl):S109~S119
Ganguly R / 2011 / Accuracy of linear measurement in the Galileos cone beam computed tomography under simulated clinical conditions / Dentomaxillofac Radiol 40:299~305
Patcas R / 2012 / Accuracy of linear intraoral measurements using cone beam CT and multidetector CT: a tale of two CTs / Dentomaxillofac Radiol 41:637~644
Wikner J / 2016 / Linear accuracy and reliability of volume data sets acquired by two CBCT-devices and an MSCT using virtual models: a comparative in-vitro study / Acta Odontol Scand 74:51~59
Leung CC / 2010 / Accuracy and reliability of cone-beam computed tomography for measuring alveolar bone height and detecting bony dehiscences and fenestrations / Am J Orthod Dentofacial Orthop 137(4Suppl):S109~S119
Ganguly R / 2011 / Accuracy of linear measurement in the Galileos cone beam computed tomography under simulated clinical conditions / Dentomaxillofac Radiol 40:299~305
Patcas R / 2012 / Accuracy of linear intraoral measurements using cone beam CT and multidetector CT: a tale of two CTs / Dentomaxillofac Radiol 41:637~644
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