caa a22 4500 47578278X CHVBK 20180406123649.0 cr unu---uuuuu 170329e20001001xx s 000 0 eng 10.1023/A:1008913915399 doi (NATIONALLICENCE)springer-10.1023/A:1008913915399 Effect of hydrophobicity on in vitro streptococcal adhesion to dental alloys [Elektronische Daten] [M. Grivet, J. Morrier, G. Benay, O. Barsotti] Non-specific interactions such as electrostatic interactions, and surface free energy are of importance in bacterial adhesion to dental surfaces as they determine whether or not bacteria are attracted to the surface. The relationship between adherence of Streptococcus mitis, S. mutans, S. oralis and S. sanguinis on precious and non-precious dental alloys, and the bacterial and alloy surface hydrophobicities (a measure of the surface free energy) was studied. The number of adhering bacteria was determined by fluorescence microscopy counts. The hydrophobicity of the bacteria and alloy surfaces were evaluated by adhesion to hexadecane and water contact angles, respectively. Our results showed that (i) the surfaces of the tested alloys were hydrophobic, (ii) S. sanguinis, S. mutans and S. oralis were hydrophobic, and (iii) S. mitis was hydrophilic. S. oralis, the more hydrophobic strain, demonstrated the highest adherence on the tested materials, whereas S. mitis adhered least on the hydrophobic surfaces. For the tested alloys, bacterial adherence was highest for the high gold content alloy, and lowest for the non-precious alloy. Our results showed that for the tested bacterial strains, there was a significant correlation between bacterial adhesion and substratum hydrophobicity: hydrophobic metal surfaces favor adhesion of hydrophobic bacteria. Kluwer Academic Publishers, 2000 Grivet M. Faculte´ d'Odontologie, Laboratoire d'Etude des Interfaces et des Biofilms en Odontologie, rue G. Paradin, 69372, Lyon cedex 08, France aut Morrier J. Faculte´ d'Odontologie, Laboratoire d'Etude des Interfaces et des Biofilms en Odontologie, rue G. Paradin, 69372, Lyon cedex 08, France aut Benay G. Faculte´ d'Odontologie, Laboratoire d'Etude des Interfaces et des Biofilms en Odontologie, rue G. Paradin, 69372, Lyon cedex 08, France aut Barsotti O. Faculte´ d'Odontologie, Laboratoire d'Etude des Interfaces et des Biofilms en Odontologie, rue G. Paradin, 69372, Lyon cedex 08, France aut Journal of Materials Science: Materials in Medicine Kluwer Academic Publishers 11/10(2000-10-01), 637-642 0957-4530 11:10<637 2000 11 10856 https://doi.org/10.1023/A:1008913915399 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1008913915399 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Grivet M. Faculte´ d'Odontologie, Laboratoire d'Etude des Interfaces et des Biofilms en Odontologie, rue G. Paradin, 69372, Lyon cedex 08, France aut NATIONALLICENCE 700 1- Morrier J. Faculte´ d'Odontologie, Laboratoire d'Etude des Interfaces et des Biofilms en Odontologie, rue G. Paradin, 69372, Lyon cedex 08, France aut NATIONALLICENCE 700 1- Benay G. Faculte´ d'Odontologie, Laboratoire d'Etude des Interfaces et des Biofilms en Odontologie, rue G. Paradin, 69372, Lyon cedex 08, France aut NATIONALLICENCE 700 1- Barsotti O. Faculte´ d'Odontologie, Laboratoire d'Etude des Interfaces et des Biofilms en Odontologie, rue G. Paradin, 69372, Lyon cedex 08, France aut NATIONALLICENCE 773 0- Journal of Materials Science: Materials in Medicine Kluwer Academic Publishers 11/10(2000-10-01), 637-642 0957-4530 11:10<637 2000 11 10856 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer