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. 2014 Jan-Feb;11(1):67–73.

Figure 1.

Figure 1

Schematic illustration of the cross-section of the specimen with the regions and depths on the fluoride less side of enamel, which studied by nanoindentation test. There are identical regions (5, 6, 7) and depths (1, 8, 15, 22, 29, 36 ƒÊm) on the fluoridated side, which are not shown