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

AUTHORS

S H Hoseini Zarch 1 , A Bagherpour 1 , Adineh Javadian Langaroodi 2 , * , A Ahmadian Yazdi 3 , A Safaei 4

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

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

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

4 Private Dental Practice, Mashhad, Iran

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

ARTICLE INFORMATION

Iranian Journal of Radiology: 8 (2); e93931
Published Online: June 30, 2011
Article Type: Research Article
Received: May 18, 2019
Accepted: June 30, 2011

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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

© 2011, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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