Quality assurance phantom for digital dental imaging

Peter Mah; W. Doss McDavid; S. Brent Dove

doi:10.1016/j.tripleo.2011.05.015

Quality assurance phantom for digital dental imaging

Peter Mah, W. Doss McDavid, S. Brent Dove

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

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. 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. 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. 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.

Original language	English (US)
Pages (from-to)	632-639
Number of pages	8
Journal	Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology
Volume	112
Issue number	5
DOIs	https://doi.org/10.1016/j.tripleo.2011.05.015
State	Published - Nov 2011

ASJC Scopus subject areas

Surgery
Oral Surgery
Otorhinolaryngology
Dentistry(all)

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title = "Quality assurance phantom for digital dental imaging",

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. 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. 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. 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.",

author = "Peter Mah and McDavid, {W. Doss} and Dove, {S. Brent}",

year = "2011",

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doi = "10.1016/j.tripleo.2011.05.015",

language = "English (US)",

volume = "112",

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journal = "Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology",

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number = "5",

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T1 - Quality assurance phantom for digital dental imaging

AU - Mah, Peter

AU - McDavid, W. Doss

AU - Dove, S. Brent

PY - 2011/11

Y1 - 2011/11

N2 - 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. 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. 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. 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.

AB - 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. 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. 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. 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.

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