Title: Evaluation of CBCT and µCT on bone structure analysis
Other Titles: Avaliação da TCFC e µTC na análise da estrutura óssea
Authors: Van Dessel, Jeroen
Huang, Yan
Rubira-Bullen, Izabel Regina
Depypere, Maarten
Nicolielo, Laura Fereira Pinheiro
Maes, Frederik
Duarte, Marco Antonio Hungaro
Jacobs, Reinhilde
Issue Date: 17-May-2013
Conference: Congresso Odontólogico de Bauru edition:26 location:Bauru, Brazil date:16 - 18 May 2013
Abstract: The main purpose of this study was to determine the accuracy of Cone-Beam Computed Tomography (CBCT) for measuring the trabecular bone microstructure in comparison to micro-CT (μCT). The subobjective was to examine to what extend bone quality assessment is influenced by X-ray tube current and voltage settings, as well as soft tissue surrounding the bone. Eight human mandibular bone samples were scanned using three different clinical exposure protocols within (W1-3) and without water (NW1-3) by a high resolution (80 µm) 3D Accuitomo 170® CBCT. Subsequently, the samples underwent μCT scanning (SkyScan 1174®). After image acquisition, similar volumes of interest (VOI) of the trabecular structures captured with CBCT and micro-CT were aligned to each other. Segmentation was then performed and the morphometric parameters were quantified within the VOIs by CTAn software. Descriptive statistical analyses and multiple comparisons between all protocols were applied in R software. High positive Pearson’s correlation coefficients were observed between CBCT and µCT protocols for all tested morphometric indices except for trabecular thickness. No significant differences were observed between all exposure protocols except for trabecular separation. When examining the soft tissue effect on trabecular bone structures, no significant differences between NW (1-3) and W (1-3) protocols were observed for all variables except trabecular thickness. The present study demonstrated the potential of high-resolution CBCT imaging for in vivo applications of quantitative bone morphometry and bone quality assessment. However, it must still take into account the overestimation of CBCT in morphometric parameters and acquisition settings.
Description: Van Dessel J., Huang, Y., Rubira-Bullen I.R., Depypere M., Nicolielo L.F.P., Maes F., Duarte M.A.H., Jacobs R., ''Evaluation of CBCT and µCT on bone structure analysis'', 26° congresso odontólogico de Bauru, May 16-18, 2013, Bauru, Brazil.
Publication status: published
KU Leuven publication type: IMa
Appears in Collections:Research Group Psychiatry
Oral Imaging
ESAT - PSI, Processing Speech and Images

Files in This Item:
File Description Status SizeFormat
Resumo Jeroen COB.docxAbstract Published 14KbMicrosoft WordView/Open


All items in Lirias are protected by copyright, with all rights reserved.