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J. oral res. (Impresa) ; 7(2): 61-69, feb. 18, 2018. tab, graf, ilus
Artículo en Inglés | LILACS | ID: biblio-1120426

RESUMEN

Objective: the aim of this study was to compare the diagnostic accuracy of two direct digital radiography systems: the charge-coupled device (CCD) XIOS XG Sirona and the photostimulable storage phosphor (PSP) VistaScan DürrDental, in the detection of non-cavitated proximal caries lesions. materials and methods: in this experimental and cross-sectional study 112 proximal surfaces from 27 molars and 31 premolars with or without proximal caries lesions were evaluated and randomly allocated in a study unit. bitewing radiographs were acquired with a CCD XIOS XG and with the PSP VistaScan. a single x-ray unit was used for both systems. radiographic images were assessed independently by two calibrated radiologists. histological evaluation on a stereomicroscope was used as gold standard. results: sensitivity values were found to be 0.35 for CCD and 0.31 for PSP. specificity values were found to be similar for both systems (0.867). az values showed a low diagnostic accuracy for both sensors: 0.61 for CCD and 0.59 for PSP, no statistical difference was found between these two values (p=0.78). conclusion: both digital radiology systems have a high diagnostic accuracy to detect sound surfaces but low diagnostic accuracy to detect proximal carious lesions.


Asunto(s)
Humanos , Caries Dental/diagnóstico por imagen , Sensibilidad de la Dentina/diagnóstico por imagen , Diente Premolar , Radiografía/métodos , Intensificación de Imagen Radiográfica , Tomografía Computarizada por Rayos X , Equipos y Suministros , Diente Molar
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