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Title: | A comparative evaluation of Cone Beam Computed Tomography (CBCT) and Multi-Slice CT (MSCT). Part II: On 3D model accuracy | Authors: | LIANG, Xin LAMBRICHTS, Ivo SUN, Yi Denis, Kathleen Hassan, Bassam Li, Limin Pauwels, Ruben Jacobs, Reinhilde |
Issue Date: | 2010 | Publisher: | ELSEVIER IRELAND LTD | Source: | EUROPEAN JOURNAL OF RADIOLOGY, 75(2). p. 270-274 | Abstract: | Aim: The study aim was to compare the geometric accuracy of three-dimensional (3D) surface model reconstructions between five Cone Beam Computed Tomography (CBCT) scanners and one Multi-Slice CT (MSCT) system. Materials and methods: A dry human mandible was scanned with five CBCT systems (NewTom 3G, Accuitomo 3D, i-CAT, Galileos, Scanora 3D) and one MSCT scanner (Somatom Sensation 16). A 3D surface bone model was created from the six systems. The reference (gold standard) 3D model was obtained with a high resolution laser surface scanner. The 3D models from the five systems were compared with the gold standard using a point-based rigid registration algorithm. Results: The mean deviation from the gold standard for MSCT was 0.137 mm and for CBCT were 0.282, 0.225, 0.165, 0.386 and 0.206 mm for the i-CAT, Accuitomo, NewTom, Scanora and Galileos, respectively. Conclusion: The results show that the accuracy of CBCT 3D surface model reconstructions is somewhat lower but acceptable comparing to MSCT from the gold standard. (C) 2009 Elsevier Ireland Ltd. All rights reserved. | Notes: | [Liang, Xin; Sun, Yi; Pauwels, Ruben; Jacobs, Reinhilde] Catholic Univ Louvain, Oral Imaging Ctr, Sch Dent Oral Pathol & Maxillofacial Surg, Fac Med, B-3000 Louvain, Belgium. [Liang, Xin] Dalian Med Univ, Coll Stomatol, Dalian, Peoples R China. [Lambrichts, Ivo] Univ Hasselt, Fac Med, Dept Basic Med Sci Histol & Electron Microscopy, Diepenbeek, Belgium. [Denis, Kathleen] XIOS Hsch Limburg, Dept Ind Sci & Techol Engn IWT, Hasselt, Belgium. [Hassan, Bassam] Acad Ctr Dent Amsterdam ACTA, Dept Oral Radiol, Amsterdam, Netherlands. [Li, Limin] Catholic Univ Louvain, Dept Paediat Dent & Special Dent Care, Sch Dent Oral Pathol & Maxillofacial Surg, Fac Med, B-3000 Louvain, Belgium. | Keywords: | cone beam CT; dentomaxillofacial; accuracy; mandible;Cone Beam CT; Dentomaxillofacial; Accuracy; Mandible | Document URI: | http://hdl.handle.net/1942/11596 | ISSN: | 0720-048X | e-ISSN: | 1872-7727 | DOI: | 10.1016/j.ejrad.2009.04.016 | ISI #: | 000281484400028 | Rights: | © 2009 Elsevier Ireland Ltd. All rights reserved | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2011 |
Appears in Collections: | Research publications |
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