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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Exploring CBCT-Based DICOM Files. A Systematic Review on the Properties of Images Used to Evaluate Maxillofacial Bone Grafts

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Author(s):
Spin-Neto, Rubens [1, 2] ; Marcantonio, Jr., Elcio [2] ; Gotfredsen, Erik [1] ; Wenzel, Ann [1]
Total Authors: 4
Affiliation:
[1] Aarhus Univ, Dept Oral Radiol, Sch Dent, DK-8000 Aarhus C - Denmark
[2] UNESP Univ Estadual Paulista, Dept Periodontol, Araraquara Dent Sch, Sao Paulo - Brazil
Total Affiliations: 2
Document type: Journal article
Source: JOURNAL OF DIGITAL IMAGING; v. 24, n. 6, p. 959-966, DEC 2011.
Web of Science Citations: 25
Abstract

Previous studies suggests that cone beam computerized tomography (CBCT) images could provide reliable information regarding the fate of bone grafts in the maxillofacial region, but no systematic information regarding the standardization of CBCT settings and properties is available, i.e., there is a lack of information on how the images were generated, exported, and analyzed when bone grafts were evaluated. The aim of this study was to (1) do a systematic review on which type of CBCT-based DICOM images have been used for the evaluation of the fate of bone grafts in humans and (2) use a software suggested in the literature to test DICOM-based data sets, exemplifying the effect of variation in selected parameters (windowing/contrast control, plane definition, slice thickness, and number of measured slices) on the final image characteristics. The results from review identified three publications that used CBCT to evaluate maxillofacial bone grafts in humans, and in which the methodology/results comprised at least one of the expected outcomes (image acquisition protocol, image reconstruction, and image generation information). The experimental shows how the influence of information that was missing in the retrieved papers, can influence the reproducibility and the validity of image measurements. Although the use of CBCT-based images for the evaluation of bone grafts in humans has become more common, this does not reflect on a better standardization of the developed studies. Parameters regarding image acquisition and reconstruction, while important, are not addressed in the proper way in the literature, compromising the reproducibility and scientific impact of the studies. (AU)

FAPESP's process: 08/09207-9 - Bone allografts in humans: immunologic, tomographic, histological and histometrical evaluation of their incorporation and capacity of implants osseointegration
Grantee:Elcio Marcantonio Junior
Support Opportunities: Regular Research Grants