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Fig. 4 | BMC Oral Health

Fig. 4

From: Efficacy of Er:YAG laser irradiation for decontamination and its effect on biocompatibility of different titanium surfaces

Fig. 4

The contact angle of SLA and HA titanium surfaces before and after Er:YAG laser decontamination with different settings of energy. a Captured figures of water on different surfaces. b Contact angles of SLA titanium surfaces. c Contact angles of HA titanium surfaces. (BC = blank control group, EC = experimental control group) (**p < 0.01 and ***p < 0.001)

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