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Comparison of Two-Dimensional and Three-Dimensional Radiographs Using Clinically Relevant Parameters

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Department of Periodontology, Endodontology and Cariology, University Center for Dental Medicine, University of Basel, CH-4056 Basel, Switzerland
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Department of Oral Surgery, Oral Radiology and Oral Medicine, University Center for Dental Medicine, University of Basel, CH-4056 Basel, Switzerland
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Clinic of Preventive Dentistry, Periodontology and Cariology, Center of Dental Medicine, University of Zurich, CH-8032 Zurich, Switzerland
*
Author to whom correspondence should be addressed.
Dent. J. 2019, 7(2), 50; https://doi.org/10.3390/dj7020050
Received: 15 March 2019 / Revised: 17 April 2019 / Accepted: 22 April 2019 / Published: 1 May 2019
(This article belongs to the Special Issue Imaging Science in Dentistry)
This work compared the assessment of clinically relevant parameters by two-dimensional, that is, full-mouth intraoral radiograph (I-O) and panoramic radiograph (OPT), and three-dimensional, that is, cone beam computed tomography (CBCT), imaging methods. Different radiographic images (CBCT, I-O and OPT) were available for a 53-year-old female patient with dental and periodontal problems. A total of 14 dental and periodontal parameters were assessed by two independent examiners and compared among the three radiographic imaging modalities. For 10 parameters (71%), the CBCT images were superior to both I-O and OPT images. In contrast, CBCT demonstrated an inferior performance compared to I-O and OPT in the assessment of caries and dental restorations. Compared to OPT, I-O provided more clinically relevant findings for 10 out of 14 parameters (71%). Agreement between I-O and OPT was found with respect to dehiscence, fenestration, the number of bone walls and the root canal cross-section. Differences between the radiographic images were more likely to be detected when maxillary teeth rather than mandibular teeth were assessed with regard to furcation involvement, root proximity and root fusion. View Full-Text
Keywords: diagnosis; radiographs; cone beam computed tomography; full-mouth intraoral radiograph; panoramic radiograph diagnosis; radiographs; cone beam computed tomography; full-mouth intraoral radiograph; panoramic radiograph
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Schmidt, J.C.; Gutekunst, C.-J.; Dagassan-Berndt, D.; Schmidlin, P.R.; Walter, C. Comparison of Two-Dimensional and Three-Dimensional Radiographs Using Clinically Relevant Parameters. Dent. J. 2019, 7, 50.

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