DMFR
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
This Article
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Abreu, M.
Right arrow Articles by Nortje, C. J.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Abreu, M., Jr
Right arrow Articles by Nortje, C. J.

Dentomaxillofacial Radiology, Vol 30, Issue 6 325-329, Copyright © 2001 by British Institute of Radiology

ARTICLES

The effect of the number of iterative restorations on tuned aperture computed tomography for approximal caries detection

M. Abreu Jr, D. A. Tyndall, J. B. Ludlow and C. J. Nortje
Department of Stomatology, Federal University of Santa Catarina School of Dentistry, Florianopolis, Brazil. murillo@ccs.ufsc.br

OBJECTIVES: To determine whether the number of iterative restorations performed on TACT images affects observers' ability to detect dental caries. METHODS: Eight TACT basis images of 40 extracted human posterior teeth were acquired using a CCD sensor. TACT slices of each tooth were generated and subsequently submitted to 1, 2 or 3 iterative restorations. Stacks of images from the three experimental conditions were presented to six observers in a balanced order, on a high-resolution 21' color monitor. Observers scored the presence or absence of approximal caries using a 5-point confidence scale. Observers' assessments were compared with the results of histological examination. Receiver operating characteristic (ROC) curves were generated and possible significant differences between observers and between modalities tested by ANOVA. The level of significance was set at alpha=0.05. Interobserver reliability was calculated as intraclass correlation. RESULTS: Mean areas under the ROC curves (A(z)) for the three experimental conditions were 0.791 (one iterative restoration), 0.81 (two iterative restorations), and 0.778 (three iterative restorations). ANOVA did not demonstrate any significant difference between modalities (P=0.25) but did so between observers (P=0.031). Interobserver reliability was similar for all experimental conditions tested. CONCLUSIONS: Varying the number of iterative restorations from one to three does not affect observers' ability to detect approximal caries with TACT slices.


This article has been cited by other articles:


Home page
 Dentomaxillofac RadiolHome page
A Wenzel
A review of dentists' use of digital radiography and caries diagnosis with digital systems.
Dentomaxillofac. Radiol., September 1, 2006; 35(5): 307 - 314.
[Abstract] [Full Text] [PDF]

Home page
 Dentomaxillofac RadiolHome page
A. van Daatselaar, D. Tyndall, H Verheij, and P. van der Stelt
Minimum number of basis projections for caries detection with local CT
Dentomaxillofac. Radiol., November 1, 2004; 33(6): 355 - 360.
[Abstract] [Full Text] [PDF]

Home page
 Dentomaxillofac RadiolHome page
M Abreu Jr, L Yi-Ching, and A. Abreu
Comparative diagnostic performance of TACT(R) slices and its multiple source images: an in vitro study
Dentomaxillofac. Radiol., March 1, 2004; 33(2): 93 - 97.
[Abstract] [Full Text] [PDF]

Home page
 Dentomaxillofac RadiolHome page
A. van Daatselaar, D. Tyndall, and P. van der Stelt
Detection of caries with local CT
Dentomaxillofac. Radiol., July 1, 2003; 32(4): 235 - 241.
[Abstract] [Full Text] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
BJR DMFR IMAGING ALL BIR JOURNALS
Copyright © 2001 by the British Institute of Radiology.