Fig. 1From: Effect of silver sulfadiazine on mature mixed bacterial biofilms on voice prosthesesEffect of SSD on voice prosthesis biofilms. A Effect of SSD on the formation of voice prosthesis biofilms. B Effect of SSD on the number of colonies in mature mixed bacterial voice prosthesis biofilms. The experimental results are expressed as the mean ± SD. *P < 0.05 indicates a significant difference compared with the negative control groupBack to article page