Comparison of digital radiographic methods for early detection of interproximal caries in young adults: a cross-sectional study
Abstract
Background: Early detection of interproximal enamel caries is a critical component of preventive dentistry, particularly in young adults where lesions often remain non-cavitated and clinically undetectable. Radiographic examination plays a central role in identifying these lesions; however, advances in digital imaging have introduced multiple radiographic techniques with varying diagnostic capabilities. Clear evidence comparing the diagnostic performance of these techniques for early enamel caries remains limited.
Objective: To compare the sensitivity and specificity of three digital radiographic techniques for the detection of early interproximal enamel caries in young adults.
Methods: A cross-sectional study was conducted among young adults attending dental clinics in an urban region. Standardized bitewing radiographs were obtained using direct digital sensor imaging, photostimulable phosphor plate imaging, and digitally enhanced radiography. Interproximal surfaces of posterior teeth were independently assessed by calibrated examiners blinded to clinical findings. Diagnostic outcomes were evaluated using sensitivity, specificity, positive predictive value, negative predictive value, and overall diagnostic accuracy. Statistical comparisons were performed using parametric tests, with significance set at p < 0.05.
Results: Early enamel caries were identified in 38.1% of the evaluated interproximal surfaces. Enhanced digital radiography demonstrated the highest sensitivity…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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