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Fig. 3 | BMC Oral Health

Fig. 3

From: ZnO nanoparticles inhibit the activity of Porphyromonas gingivalis and Actinomyces naeslundii and promote the mineralization of the cementum

Fig. 3

Effect of ZnONPs on NIH3T3 (a) and OCCM-30 (b) cells by the MTT assay. The percentage of absorbance at different concentrations of ZnONPs compared with that of the control was calculated. The OD value of the cells was measured every day for 5 d and plotted for the mean ± SD. **indicates P < 0.01, ***indicates P < 0.001 by ANOVA

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BMC Oral Health

ISSN: 1472-6831

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