Detection of Longitudinal Tooth Fractures Using Local Computed Tomography

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  • March 20, 2019
Creator
  • Mora, Maria Alejandra
    • Affiliation: School of Dentistry, Department of Diagnostic Sciences
Abstract
  • The purpose of this study was to test the feasibility of Local Computed Tomography (LCT) for the detection of longitudinal fractures and to determine the effect of the number of basis images on the detection accuracy. In Part I, 10 observers' evaluated LCT image volumes generated with 180 basis images of fractured and non-fractured teeth. These were compared with conventional radiographs to assess the accuracy in detecting longitudinal fractures. Part II evaluated the effect of the number of basis images on the detection of longitudinal fractures. 180, 60, 36 and 20 basis images were tested. This study demonstrated that LCT provided a significant improvement in the accuracy of detecting longitudinal fractures compared to periapical radiographs. LCT maintains its efficacy for detecting longitudinal fractures with 60 instead of 180 basis images. A subsequent reduction to 36 basis images significantly reduced the detection rate.
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  • In Copyright
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  • Mol, André
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  • Open access
Date uploaded
  • October 19, 2010

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