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Fig. 1 | BMC Oral Health

Fig. 1

From: Evaluation of bleaching agent effects on color and microhardness change of silver diamine fluoride-treated demineralized primary tooth enamel: An in vitro study

Fig. 1

Scanning electron microscopy (SEM) images of the primary tooth enamel. a at the baseline; b after demineralization. An increase in the porosities and spaces in the enamel surface is evident; c aged remineralized-stained enamel (SDF-treated surface); d aged remineralized-stained enamel (SDF + KI-treated surface). The globular arrangement of mineral deposits has filled the porous areas and voids of the demineralized enamel; e–h after final intervention. Note that CP did not cause significant changes to the enamel surface. e SDF-treated enamel followed by 8-h/day application of 10% CP for 2 weeks; f SDF-treated enamel followed by 15-min/day application of 10% CP for 3 weeks; g SDF + KI-treated enamel followed by 8-h/day application of 10% CP for 2 weeks; h SDF + KI-treated enamel followed by 15-min/day application of 10% CP for 3 weeks

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