Figure 4From: Development of a novel antimicrobial-releasing glass ionomer cement functionalized with chlorhexidine hexametaphosphate nanoparticles Scanning electron micrographs showing fracture surfaces of GIC specimens. a: unmodified GIC; b: 1% nanoparticles; c: 2% nanoparticles; d: 5% nanoparticles; e: 10% nanoparticles; f: 20% nanoparticles. The scale bar is 20 μm in each image.Back to article page