[Retracted] Anti-Inflammatory and Repairing Effects of Mesoporous Silica-Loaded Metronidazole Composite Hydrogel on Human Dental Pulp Cells

Figure 2

Physicochemical property test of the MSN-MTR@Gel system. (a) Distribution of HDPSCs under a confocal microscope (the depth of each layer is 50 μm). (b) The growth of HDPSCs in the Gel group and MSN@Gel group. (c) Half-life period test of MSN-MTR and purely MTR injection.