Quality assurance phantom for digital dental imaging.

Authors :: Mah P
McDavid WD
Dove SB
Source :: Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics [Oral Surg Oral Med Oral Pathol Oral Radiol Endod] 2011 Nov; Vol. 112 (5), pp. 632-9. Date of Electronic Publication: 2011 Sep 08.
Publication Year :: 2011
Abstract: Objective: The purpose of this research was to develop a simple quality assurance phantom that could be used for the initial calibration and follow-up testing of commercially available intraoral digital imaging systems.<br />Study Design: A radiographic phantom was constructed that contains a calibrated step wedge for measuring dose response, an etched pattern of slits in a metallic background for measuring the spatial resolution in line pairs per millimeter, and 2 rows of wells of varying diameter and depth in an acrylic background for contrast-detail analysis. Quality assurance protocols were developed and validated.<br />Results: The quality assurance phantom provides a method of assessing a digital intraoral imaging system by measuring the sensitivity and dynamic range, the contrast/detail detectability and the spatial resolution.<br />Conclusions: This quality assurance phantom can serve as an effective means to calibrate and monitor the performance characteristics of a digital dental intraoral imaging system.<br /> (Copyright © 2011 Mosby, Inc. All rights reserved.)

Subjects :: Humans
Quality Control
Radiation Dosage
Calibration standards
Image Interpretation, Computer-Assisted standards
Image Processing, Computer-Assisted standards
Phantoms, Imaging
Radiography, Dental, Digital standards

Language :: English
ISSN :: 1528-395X
Volume :: 112
Issue :: 5
Database :: MEDLINE
Journal :: Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics
Publication Type :: Academic Journal
Accession number :: 21862364
Full Text :: https://doi.org/10.1016/j.tripleo.2011.05.015