Effect of Different Polishing Kits on Surface Roughness and Bacterial Adhesion of Oryza and Edit Zirconia Ceramics

doi:10.13701/j.cnki.kqyxyj.2020.03.012

Abstract

Abstract: Objective: To observe the effects of different polishing kits on the surface roughness and bacterial adhesion of perennial and Edit zirconia ceramics. Methods: Each material was randomly divided into five groups: group A, B, and C were polished with polishing kits PN0301, HP321, and Occlubrush respectively. Group D was glazed and group E was not treated with any treatment. The surface roughness and morphology of the samples were tested. The standard strains of Streptococcus mutans were inoculated on each group of specimens, and the surface colony forming units of the specimens were counted. The bacterial absorbance on the surface of the material was measured by CCK-8 method. Results: The surface roughness of group A, B and D were lower than those of group C and E (P<0.05). However, there was no difference between group C and group E (P>0.05), group A and B were higher than group D (P<0.05), and group A was lower than group B (P<0.05). The surface of group C and E was rough and scratched obviously. The surface of group D was smooth. The bacterial adhesion and absorbance of group A, B, and D were less than those of group C and E (P<0.05). There was no difference between group C and group E (P>0.05), group A and group B were more than group D (P<0.05), and group A was less than group B (P<0.05). Conclusion: Polishing kit PN0301 and HP321 can significantly reduce the surface roughness and bacterial adhesion of perennial and Edit zirconia ceramics, and the effect of polishing kit PN0301 is better.

Key words: zirconia ceramics, polishing, oral materials, surface roughness, bacterial adhesion

WANG Meiyan, ZHAO Chanyuan, WANG Yangyang, WANG Xi. Effect of Different Polishing Kits on Surface Roughness and Bacterial Adhesion of Oryza and Edit Zirconia Ceramics[J]. Journal of Oral Science Research, 2020, 36(3): 239-242.

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