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Reproducibility of facial soft tissue thickness measurements using cone-beam CT images according to the measurement methods

Hwang, H-S and Moon, D-N and Hou, Y and Choe, S-Y and Hwang, J-S and Lee, W-J and Wilkinson, C (2015) Reproducibility of facial soft tissue thickness measurements using cone-beam CT images according to the measurement methods. Journal of Forensic Sciences, 60 (4). pp. 957-965. ISSN 0022-1198

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Abstract

The purpose of this study was to establish the reproducibility of facial soft tissue (ST) thickness measurements by comparing three different measurement methods applied at 32 landmarks on three-dimensional cone-beam computed tomography (CBCT) images. Two observers carried out the measurements of facial ST thickness of 20 adult subjects using CBCT scan data, and inter- and intra-observer reproducibilities were evaluated. The measurement method of "perpendicular to bone" resulted in high inter- and intra-observer reproducibility at all 32 landmarks. In contrast, the "perpendicular to skin" method and "direct" method, which measures a distance between one point on bone and the other point on skin, presented low reproducibility. The results indicate that reproducibility could be increased by identifying the landmarks on hard tissue images, rather than on ST images, and the landmark description used in this study can be used in the establishment of reliable tissue depth data using CBCT images.

Item Type: Article
Additional Information: This is the accepted version of the following article: "Reproducibility of facial soft tissue thickness measurements using cone-beam CT images according to the measurement methods", from Journal of Forensic Sciences, which has been published in final form at http://dx.doi.org/10.1111/1556-4029.12766
Uncontrolled Keywords: 0399 Other Chemical Sciences, 0699 Other Biological Sciences, 1103 Clinical Sciences
Subjects: Q Science > QH Natural history > QH301 Biology
Q Science > QM Human anatomy
R Medicine > RA Public aspects of medicine > RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine
Divisions: Liverpool School of Art and Design
Publisher: Wiley
Date Deposited: 17 Apr 2015 09:09
Last Modified: 08 Sep 2015 13:30
DOI or Identification number: 10.1111/1556-4029.12766
URI: http://researchonline.ljmu.ac.uk/id/eprint/893

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