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Assessment of metal artefact reduction around dental titanium implants in cone beam CT

Overview of attention for article published in Dentomaxillofacial Radiology, August 2014
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Title
Assessment of metal artefact reduction around dental titanium implants in cone beam CT
Published in
Dentomaxillofacial Radiology, August 2014
DOI 10.1259/dmfr.20140019
Pubmed ID
Authors

A Parsa, N Ibrahim, B Hassan, K Syriopoulos, P van der Stelt

Abstract

Objectives: The aim of this study was to investigate if the metal artifact reduction (MAR) tool used in the software of the ORTHOPANTOMOGRAPH® OP300 (Instrumentarium Dental, Tuusula, Finland) can improve the gray value levels in post-operative implant scans. Methods: Twenty potential implant sites were selected from five edentulous human dry mandibles. Each mandible was scanned by the cone beam computed tomography (CBCT) scanner and images were produced under 3 different conditions: implant sites drilled but no implants inserted, implants inserted without application of MAR and implants inserted with application of MAR. Using Geomagic (studio® 2012, Morrisville, NC) and 3Diagnosys (v5.3.1, 3diemme, Cantu, Italy) software, three scans of each mandible were superimposed. The mean gray value of identical regions of bone around the implants was derived for each condition. The differences between gray value measurements at implant sites derived from different conditions were assessed. Results: A significant difference was found between mean gray values from scans with no implants inserted and with implants inserted (with and without MAR) (p⁼ 0.012). No significant difference was revealed for gray values measured from scans with and without MAR (p⁼ 0.975). Conclusion: The MAR tool in the software of the ORTHOPANTOMOGRAPH® OP300 CBCT scanner does not significantly correct the voxel gray values affected by the metal artifact in the vicinity of an implant in human dry mandibles.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 59 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 2 3%
Unknown 57 97%

Demographic breakdown

Readers by professional status Count As %
Student > Master 13 22%
Student > Ph. D. Student 8 14%
Student > Bachelor 7 12%
Researcher 6 10%
Other 3 5%
Other 11 19%
Unknown 11 19%
Readers by discipline Count As %
Medicine and Dentistry 32 54%
Nursing and Health Professions 2 3%
Engineering 2 3%
Physics and Astronomy 2 3%
Biochemistry, Genetics and Molecular Biology 1 2%
Other 4 7%
Unknown 16 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 August 2014.
All research outputs
#20,660,571
of 25,377,790 outputs
Outputs from Dentomaxillofacial Radiology
#312
of 573 outputs
Outputs of similar age
#180,809
of 247,164 outputs
Outputs of similar age from Dentomaxillofacial Radiology
#3
of 4 outputs
Altmetric has tracked 25,377,790 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 573 research outputs from this source. They receive a mean Attention Score of 2.5. This one is in the 11th percentile – i.e., 11% of its peers scored the same or lower than it.
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We're also able to compare this research output to 4 others from the same source and published within six weeks on either side of this one.