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BMC Oral Health
Published in: BMC Oral Health 1/2021

Open Access 01-12-2021 | Research

Comparison of anterior and posterior trabecular bone microstructure of human mandible using cone-beam CT and micro CT

Authors: Norliza Ibrahim, Azin Parsa, Bassam Hassan, Paul van der Stelt, Rabiah A. Rahmat, Siti M. Ismail, Irene H. A. Aartman

Published in: BMC Oral Health | Issue 1/2021

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Abstract

Background

The aim of this study was to compare the trabecular bone microstructures of anterior and posterior edentulous regions of human mandible using cone-beam computed tomography (CBCT) and micro computed tomography (µCT).

Methods

Twenty volumes of interests consisting of six anterior and fourteen posterior edentulous regions were obtained from human mandibular cadavers. A CBCT system with a resolution of 80 µm (3D Accuitomo 170, J. Morita, Kyoto, Japan) and a µCT system with a resolution of 35 µm (SkyScan 1173, Kontich, Belgium) were used to scan the mandibles. Three structural parameters namely, trabecular number (Tb.N), trabecular thickness (Tb.Th), and trabecular separation (Tb.Sp) were analysed using CTAn software (v 1.11, SkyScan, Kontich, Belgium). For each system, the measurements obtained from anterior and posterior regions were tested using independent sample t-test. Subsequently, all measurements between systems were tested using paired t-test.

Results

In CBCT, all parameters of the anterior and posterior mandible showed no significant differences (p > 0.05). However, µCT showed a significant different of Tb.Th (p = 0.023) between anterior and posterior region. Regardless of regions, the measurements obtained using both imaging systems were significantly different (p ≤ 0.021) for Tb.Th and Tb.N.

Conclusions

The current study demonstrated that only the variation of Tb.Th between anterior and posterior edentulous region of mandible can be detected using µCT. In addition, CBCT is less feasible than µCT in assessing trabecular bone microstructures at both regions.
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Metadata
Title
Comparison of anterior and posterior trabecular bone microstructure of human mandible using cone-beam CT and micro CT
Authors
Norliza Ibrahim
Azin Parsa
Bassam Hassan
Paul van der Stelt
Rabiah A. Rahmat
Siti M. Ismail
Irene H. A. Aartman
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Oral Health / Issue 1/2021
Electronic ISSN: 1472-6831
DOI
https://doi.org/10.1186/s12903-021-01595-z

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