Evaluation of the Accuracy of Panoramic Radiography in Linear Measurements of the Jaws

1Assistant Professor, Department of Oral and Maxillofacial Radiology, School of Dentistry and Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran

2Assistant Professor, Department of Oral and Maxillofacial Radiology, School of Dentistry, Hamedan University of Medical Sciences, Hamedan, Iran

3Consultant Professor, Department of Oral and Maxillofacial Radiology, School of Dentistry and Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran

4Private Dental Practice, Mashhad, Iran

IJ Radiology:Vol. 8, issue 2; e93931

Published online:Jun 30, 2011

Article type:Research Article

Received:May 18, 2019

Accepted:Jun 30, 2011

How to Cite:Hoseini Zarch SH, Bagherpour A, Javadian Langaroodi A, Ahmadian Yazdi A, Safaei A. Evaluation of the Accuracy of Panoramic Radiography in Linear Measurements of the Jaws. I J Radiol. 2011;8(2):e93931. doi:

Abstract

Background/Objective: Panoramic radiography has a great place among imaging techniques because of its enormous advantages. One of the characteristics of an ideal imaging technique is to supply precise measurement. The purpose of the study was to evaluate the accuracy of linear measurements of the jaws on panoramic radiographs.
Patients and Methods: In this study, the vertical distances between the metal markers were measured by panoramic radiography in seven sites of two skulls in various head positions. Then the radiographic measurements were compared with the actual values.
Results: Eighty three percent of the measurements were underestimated, 8.5% were overestimated on panoramic radiography and 8.5% of the measurements had no difference with the real measurements. Overestimation was not greater than 1 mm. The difference between actual and radiographic measurements was less in the posterior areas and in the mandible . In all head positions, the most difference between actual and radiographic measurements occurred in the anterior area.
Conclusion: Based on the results of this study, linear measurements on panoramic radiography are more reliable in the posterior areas and may be used in early clinical measurements.

Keywords

Panoramic Radiography

Linear Measurement

Mandibular Canal

Mental Foramen

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Author(s):

S H Hoseini Zarch:[PubMed][Scholar]
A Bagherpour:[PubMed][Scholar]
Adineh Javadian Langaroodi:[PubMed][Scholar]
A Ahmadian Yazdi:[PubMed][Scholar]
A Safaei:[PubMed][Scholar]

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Evaluation of the Accuracy of Panoramic Radiography in Linear Measurements of the Jaws

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