Fig. 2From: Effect of hydroxyapatite nanoparticles on enamel remineralization and estimation of fissure sealant bond strength to remineralized tooth surfaces: an in vitro studySEM images of demineralized etched enamel and resin sealant adaptation on the interface (group 1). The white arrow shows the non-infiltrated area. The black arrow and circle show the infiltrated area. Abbreviations: SEM, scanning electron microscopyBack to article page