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. 2021 Dec 14;11:23954. doi: 10.1038/s41598-021-03434-1

Figure 1.

Figure 1

(a) Contact angle photos of P. gingivalis biofilm inoculation on titanium discs after different treatments. (b) Contact angle of P. gingivalis biofilms after different treatment. *p < 0.05 **p < 0.01 ***p < 0.001.