Oral Streptococci Biofilm Formation on Different Implant Surface Topographies

被引:39
|
作者
Cardoso Pita, Pedro Paulo [1 ]
Rodrigues, Jose Augusto [1 ,2 ]
Ota-Tsuzuki, Claudia [1 ]
Miato, Tatiane Ferreira [1 ]
Zenobio, Elton G. [3 ]
Giro, Gabriela [1 ]
Figueiredo, Luciene C. [1 ]
Goncalves, Cristiane [1 ]
Gehrke, Sergio A. [4 ]
Cassoni, Alessandra [1 ]
Shibli, Jamil Awad [1 ]
机构
[1] Univ Guarulhos, Dent Res Div, Dept Periodontol & Oral Implantol, BR-07023070 Guarulhos, SP, Brazil
[2] Univ Guarulhos, Dent Res Div, Dept Operat Dent, BR-07023070 Guarulhos, SP, Brazil
[3] Pontificia Univ Catolica Minas Gerais, Dept Oral Implantol, BR-30535901 Belo Horizonte, MG, Brazil
[4] Biotecnos Tecnol & Ciencia Ltda, BR-97015001 Santa Maria, RS, Brazil
关键词
BACTERIAL-COLONIZATION; DENTAL IMPLANTS; IN-VIVO; TITANIUM; SUPRAGINGIVAL; MICROBIOLOGY; ADSORPTION; ROUGHNESS; ADHERENCE; PROTEINS;
D O I
10.1155/2015/159625
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The establishment of the subgingival microbiota is dependent on successive colonization of the implant surface by bacterial species. Different implant surface topographies could influence the bacterial adsorption and therefore jeopardize the implant survival. This study evaluated the biofilm formation capacity of five oral streptococci species on two titanium surface topographies. In vitro biofilm formation was induced on 30 titanium discs divided in two groups: sandblasted acid-etched (SAE-n = 15) and as-machined (M-n = 15) surface. The specimens were immersed in sterilized whole human unstimulated saliva and then in fresh bacterial culture with five oral streptococci species: Streptococcus sanguinis, Streptococcus salivarius, Streptococcus mutans, Streptococcus sobrinus, and Streptococcus cricetus. The specimens were fixed and stained and the adsorbed dye was measured. Surface characterization was performed by atomic force and scanning electron microscopy. Surface and microbiologic data were analyzed by Student's t-test and two-way ANOVA, respectively (p < 0.05). S. cricetus, S. mutans, and S. sobrinus exhibited higher biofilm formation and no differences were observed between surfaces analyzed within each species (p > 0.05). S. sanguinis exhibited similar behavior to form biofilm on both implant surface topographies, while S. salivarius showed the lowest ability to form biofilm. It was concluded that biofilm formation on titanium surfaces depends on surface topography and species involved.
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页数:6
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