| Detection and size differentiation of simulated tooth root defects using flat-panel volume computerized tomography (fpVCT). | |
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MedLine Citation:
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PMID: 18602316 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Our aim was to evaluate the capacity of flat-panel volume computerized tomography (fpVCT) to enable the observer to detect and differentiate 3 different sizes of simulated tooth root defects in radiographs. STUDY DESIGN: Three simulated tooth root defects of different sizes and a defect-free area (160 sites in total) were randomly distributed on the buccal and lingual surface of 20 mandibular premolar roots of Sus scrofa domestica with round burs. For the imaging of the specimens, an fpVCT prototype was used. Findings were evaluated by 3 observers. RESULTS: Cavity 0 (no lesion) was correctly identified in 53%, cavity 1 in 69%, cavity 2 in 96%, and cavity 3 in 89%. Altogether, the simulated cavities were classified in a correct manner in 77%. The values were compared using receiver operating characteristic curves. The area under the curve (AUC) for cavity 0 versus the pooled results for cavities 1-3 was found to be 0.72. The AUC for the pooled results for 0-2 (no pathologic impact) versus cavity 3 (potential pathologic impact) was 0.94. There was no significant dependence of the results on the observer (P = .37). Results with P < .05 were considered to be significant. CONCLUSIONS: Flat-panel volume computerized tomography, which is currently used only as a research tool, has a high potential in detection and differentiation at an early stage of external root resorption cavities with pathologic relevance.. |
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Authors:
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Wolfram Hahn; Susanne Fricke-Zech; Julia Fricke; Rudolf M Gruber; Christian Dullin; Antonia Zapf; Christian Hannig; Dietmar Kubein-Meesenburg; Reza Sadat-Khonsari |
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Publication Detail:
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Type: Journal Article Date: 2008-07-07 |
Journal Detail:
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Title: Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics Volume: 107 ISSN: 1528-395X ISO Abbreviation: Oral Surg Oral Med Oral Pathol Oral Radiol Endod Publication Date: 2009 Feb |
Date Detail:
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Created Date: 2009-01-13 Completed Date: 2009-04-06 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9508562 Medline TA: Oral Surg Oral Med Oral Pathol Oral Radiol Endod Country: United States |
Other Details:
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Languages: eng Pagination: 272-8 Citation Subset: D; IM |
Affiliation:
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Department of Orthodontics, Georg-August-University of Göttingen, Robert-Koch-Strasse 40, Goettingen, Germany. weahahn@aol.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Area Under Curve Cone-Beam Computed Tomography / instrumentation* Random Allocation Root Resorption / radiography* Sensitivity and Specificity Sus scrofa X-Ray Intensifying Screens |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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