Fig. 6From: The effect of fluoride iontophoresis on seal ability of self-etch adhesive in human dentin in vitroA, B Scanning electron micrographs of longitudinal views of human dentin (original magnification X10000), showing granular precipitates in dentinal tubules. A Intact dentin at the depth of 300 µm; B caries affected dentin at the depth of 60 µmBack to article page