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Title: Comparative localized linear accuracy of small-field cone-beam CT and multislice CT for alveolar bone measurements
Other Titles: Loubele M., Van Assche N., Carpentier K., Maes F., Jacobs R., van Steenberghe D., Suetens P., ''Comparative localized linear accuracy of small-field cone-beam CT and multislice CT for alveolar bone measurements'', Oral surgery oral medicine oral pathology oral radiology and endodontics, vol. 105, no. 4, pp. 512-518, April 2008.
Authors: Loubele, Miet ×
Van Assche, Nele
Carpentier, Karel
Maes, Frederik
Jacobs, Reinhilde
van Steenberghe, Daniel
Suetens, Paul #
Issue Date: Apr-2008
Publisher: Mosby
Series Title: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics vol:105 issue:4 pages:512-518
Abstract: OBJECTIVES: To compare the accuracy of cone-beam computerized tomography (CBCT) and multislice CT (MSCT) for linear jaw bone measurements. STUDY DESIGN: An ex vivo formalin-fixed human maxilla was imaged with both CBCT (Accuitomo 3D; Morita, Kyoto, Japan) and MSCT (4-slice Somatom VolumeZoom and 16-slice Somatom Sensation 16; Siemens, Erlangen, Germany). The MSCT images were reconstructed using different reconstruction filters to optimize bone visualization (U70u and U90u for VolumeZoom, H30s and H60s for Sensation 16). Before scanning, triplets of small gutta-percha markers were glued onto the soft tissues overlying the maxillary bone on the top and on both sides of the alveolar ridge to define a set of reproducible linear measurements in 11 planes. Image measurements were performed by 2 observers. The gold standard was determined by means of physical measurements with a caliper by 3 observers. RESULTS: The accuracy of the linear measurements was 0.35 +/- 1.31 mm (U70u) and 0.06 +/- 1.23 mm (U90u) for the Somatom VolumeZoom, 0.24 +/- 1.20 mm (H60s) and 0.54 +/- 1.14 mm (H30s) for the Sensation 16, and -0.09 +/- 1.64 mm for the Accuitomo 3D. Statistical analysis with 2-way analysis of variance showed no significant inter- or intraobserver disagreement for the physical or the radiologic measurements. There was also no significant difference for the measurements on the different reconstruction filters. CONCLUSION: Both CBCT and MSCT yield submillimeter accuracy for linear measurements on an ex vivo specimen.
Description: Loubele M., Van Assche N., Carpentier K., Maes F., Jacobs R., van Steenberghe D., Suetens P., ''Comparative localized linear accuracy of small-field cone-beam CT and multislice CT for alveolar bone measurements'', Oral surgery oral medicine oral pathology oral radiology and endodontics, vol. 105, no. 4, pp. 512-518, April 2008.
URI: 
ISSN: 2212-4403
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Clinical Residents Dentistry
ESAT - PSI, Processing Speech and Images
Periodontology
Radiology
Oral Imaging
× corresponding author
# (joint) last author

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