Research Article

Impact of Scoring Single or Multiple Occlusal Lesions on Estimates of Diagnostic Accuracy of the Visual ICDAS-II System

Table 2

Criteria used in the histological examinations.

ScoreCriteria used in the Downer histological examination [11]

0No enamel demineralisation or a narrow surface zone of opacity (edge phenomenon)
1Enamel demineralisation limited to the outer 50% of the enamel layer
2Demineralisation involving the inner 50% of the enamel, up to the enamel-dentine junction
3Demineralisation involving the outer 50% of the dentine
4Demineralisation involving the inner 50% of the dentine