NDLI: High-resolution ultrasound imaging for jawbone surface

Content Provider	IEEE Xplore Digital Library
Author	Mahmoud, A.M. Mukdadi, O.M. Ngan, P. Crout, R.
Copyright Year	2011
Description	Author affiliation: West Virginia University, Department of Mechanical and Aerospace, Engineering, Morgantown, WV 26506 (Mahmoud, A.M.; Mukdadi, O.M.) \|\| West Virginia University, School of Dentistry Morgantown, WV 26506 (Ngan, P.; Crout, R.)
Abstract	Although medical specialties have recognized the importance of using ultrasonic imaging, dentistry is only beginning to discover its benefit. This has particularly been important in the field of periodontics, which studies infections in the gum and bone tissues that surround the teeth. This study investigates the feasibility of using a custom-designed high-frequency ultrasound imaging system to reconstruct high-resolution (<50 µm) 3D surface images of periodontal defects in human jawbone. The system employs single-element focused ultrasound transducers with center frequencies ranging from 30 to 60 MHz. Continuous acquisition using a 1 GHz data acquisition card is synchronized with a high precision two-dimensional positioning system of ±1 µm resolution for acquiring accurate measurements of the mandible, in vitro. Signal and image processing algorithms are applied to render 3D surface images of the jawbone. In vitro experiments were performed to assess the system performance using mandibles with teeth (dentate) or without (non-dentate). The system was able to reconstruct 3D images for the mandible's outer surface with superior spatial resolution down to 24 µm, and to perform the whole scanning in less than 30 s. All anatomical landmarks were detected and fully described as 3D images using this novel ultrasound imaging technique, whereas the 2D X-ray radiographic images suffered from poor contrast.
Starting Page	252
Ending Page	255
File Size	310359
Page Count	4
File Format	PDF
ISBN	9781424469987
e-ISBN	9781424470006
DOI	10.1109/MECBME.2011.5752113
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-21
Publisher Place	United Arab Emirates
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultrasonic imaging Transducers Periodontal disease Jawbone assessment Ultrasonic variables measurement High-frequency ultrasound Imaging Bones Three dimensional displays Diseases
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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