Jundishapur Scientific Medical Journal

Jundishapur Scientific Medical Journal

Evaluation of the Vertical Root Fracture in Digital Radiography with Low، Medium and High Degree of Brightness: An Ex-Vivo Study

Document Type : Original Article

Authors
Ali Habibi kia 1
Mohammad Yazdizadeh 2
Amirdanial Pourahmadiyeh 3
Nahal Nikoonezhad 4
1 Assistant Professor, Department of Oral and Maxillofacial Radiology, Faculty of dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
2 Assistant Professor, Department of Endodontics, Faculty of dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
3 Department of Oral and Maxillofacial Surgery, School of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
4 Faculty of dentistry, Ahvaz Jundishapur University of Medical Sciences,Ahvaz,Iran
10.32592/jsmj.23.5.401
Abstract
Background and Objectives Nowadays, most digital imaging systems offer different types of images processing techniques, considering the importance of imaging accuracy and its wide application. The aim of the current study was to comparison the effect of changing illumination on the detection of vertical root fracture in conventional digital radiography.
Subjects and Methods In this ex-vivo study, the root treatment of 24 extracted anterior teeth of the patients was performed before induction of VRF (Vertical Root Fracture) and radiographs were prepared. Then, after complete VRF, radiographs were taken again. To simulate the bone, the teeth were placed in a mold made of plaster and acrylic powder in an equal ratio. Gentle hammer pressure was used to create induced VRF. The images were evaluated by changing the degree of brightness (high brightness, intermediate brightness and low brightness) by 2 observers.
Results Sensitivity, specificity and overall accuracy were calculated using Roc (Az) curve analysis, Kappa and MacNemar test. According to the statistical tests performed and the results obtained, the highest sensitivity, specificity and overall accuracy are related to images with high brightness and the lowest sensitivity, specificity and overall accuracy are related to images with low brightness.
Conclusion Images with high brightness level have the highest sensitivity, specificity and overall accuracy, and the lowest sensitivity, specificity and overall accuracy are related to images with low brightness level. Based on the results obtained from this study, it is suggested to use radiography with high brightness in the diagnosis of vertical root fracture.
Keywords
Vertical Root Fracture
Digital Radiography
Illumination

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Jundishapur Scientific Medical Journal
Volume 23, Issue 5 - Serial Number 152
September and October 2024
Pages 401-411

  • Receive Date 29 August 2021
  • Revise Date 03 July 2024
  • Accept Date 03 August 2024