Figure 4: SEM image of the polished enamel which was exposed to Shahdarou multivitamin drop for 5 min: (a) 1000×; (b) 2000×
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Figure 4: SEM image of the polished enamel which was exposed to Shahdarou multivitamin drop for 5 min: (a) 1000×; (b) 2000×
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