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학술저널
저자정보
de-Azevedo-Vaz, Sergio Lins (Department of Clinical Dentistry, Federal University of Espirito Santo) Machado, Joao Victor Pereira (Department of Clinical Dentistry, Federal University of Espirito Santo) Pereira, Teresa Cristina Rangel (Department of Clinical Dentistry, Federal University of Espirito Santo) Freitas, Deborah Queiroz (Division of Oral Radiology, Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas)
저널정보
대한영상치의학회 Imaging science in dentistry Imaging science in dentistry 제49권 제1호
발행연도
2019.1
수록면
65 - 70 (6page)

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Purpose: To determine whether calcified carotid atherosclerotic plaques(CCAPs) and mineralized laryngeal cartilages (MLCs) were more frequently detected on digital or film-based panoramic radiographs. The clinical relevance of this question is that some radiopacities seen on digital radiographs may correspond to medium-density tissues that are not necessarily mineralized. Materials and Methods: Data were collected from panoramic radiographs and the respective reports issued by 2 private oral radiology centers. A total of 388 radiographs and reports were divided into film-based (group A) and digital (group D) radiographs. The frequencies of CCAPs and MLCs were analyzed using the Fisher exact test, and odds ratios were also calculated (${\alpha}=1%$). Results: The mean age of patients whose reports and radiographs showed CCAPs and/or MLCs ranged from 50.1 to 54.1 years. There was a predominance of females. A higher frequency of CCAPs and MLCs was observed in group D than in group A at both centers(P<0.01). CCAPs and MLCs were detected 4 times more frequently in group D than in group A at one of the centers. Conclusion: CCAPs and MLCs were more frequently detected on digital than on film-based panoramic radiographs. Further studies are needed to determine whether such radiopacities do indeed correspond to mineralized, rather than medium-density, tissues.

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