Influence of brightness and contrast adjustment on the detection of soft tissue calcifications in panoramic radiographs
DOI:
https://doi.org/10.46311/2318-0579.61.eUJ4601Keywords:
Atheroma, diagnostic imaging, panoramic radiography.Abstract
The aim of this study was to assess how changes in the adjustment of brightness and contrast settings affect the detection of calcifications in the soft tissues of the head and neck region on panoramic radiographs (PRs), taking into account the experience of Dental Radiology and Imaging professionals. A total of 2,661 RPs were evaluated, of which 53, whose images suggested the presence of different types of soft tissue calcifications, were selected and placed in different files (folders) with different changes in the brightness and contrast, including (V1) -30% brightness and +30% contrast; (V2) -15% brightness and -15% contrast; (V3) original image; (V4) +15% brightness and -15% contrast. Thus, a total of 212 images were obtained. Six volunteer dentists evaluated the radiographs, looking for suggestive images of soft tissue calcifications, divided into two groups: (1) evaluators with one to five years of experience and (2) evaluators with over five years of experience in the field. As a result, group 1 found it easier to detect calcifications in the V3 folder compared to the V4 folder (p=0.006), while group 2 detected more alterations in the V1 folder compared to all others (p=0.000). It is important to consider different image modifications when assessing PRs to detect soft tissue calcifications, and the dentist's experience can influence the choice of the best brightness and contrast level settings for diagnostic purposes.
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Copyright (c) 2024 Felipe Fernandes Peixoto Monteiro, Beatriz Caio Felipe, Matheus Herreira Ferreira, Gustavo Nascimento de Souza Pinto, Mariliani Chicarelli da Silva, Lilian Cristina Vessoni Iwaki
This work is licensed under a Creative Commons Attribution 4.0 International License.
I declare/we declare that the text submitted here is original, of my own authorship and does not infringe any type of third party rights. The content is my/our sole responsibility. Possible research involving animals and/or human beings is in accordance with Resolution 196/96 of the National Health Council and its complements. I declare that I am/we are in possession of the written consent of patients and that the research and its procedures were timely and adequately approved by the Ethics Committee of the institution of origin. We further declare that all institutional affiliations and all sources of financial support for the work are duly informed. I certify that there is no commercial or associative interest that represents a conflict of interest related to the submitted work. If there is commercial interest, in addition to the technical and academic ones, in the publication of the article, the information will be reported during the text.
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