An experimental study of the adhesion of bacterial layers to some restorative dental materials

Tullberg, A.

doi:10.1111/j.1600-0722.1986.tb01381.x

Cited by 4 publications

(7 citation statements)

References 12 publications

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“…A similar tendency has been reported in in vitro conditions as well. 26 Contrary to our findings, no significant difference was found between bacterial adhesion to Co/Cr alloy and denture base polymer in a study conducted on implant materials. 27 The experimental conditions and the S. mutans strains used in that and the present study, however, were different.…”

Section: Discussioncontrasting

confidence: 83%

Adherence ofStreptococcus mutans to an E-glass fiber-reinforced composite and conventional restorative materials used in prosthetic dentistry

Tanner

Vallittu

Söderling

2000

J. Biomed. Mater. Res.

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The adherence of Streptococcus mutans to E-glass used in fiber-reinforced composites, denture base polymer, and four other restoratives was investigated. The materials were studied with and without a parotid saliva and serum pellicle. Specimens of the studied materials (E-glass, denture base polymer, titanium, cobalt-chromium alloy, gold alloy, and grained feldspar ceramic) were incubated in a suspension of S. mutans, allowing initial adhesion to occur. The degree of bacterial adhesion was studied using scanning electron microscopy (SEM). The studied uncoated materials showed rather similar adhesion of S. mutans. Saliva coating resulted in a decrease of adherence to all materials except glass. With a saliva pellicle E-glass showed the strongest ability to bind S. mutans, and it differed significantly from the other studied materials. Serum coating markedly decreased adhesion to all materials, and only minor differences among the studied materials were observed. The results of this study suggest that the studied restoratives are rather similar with respect to S. mutans adhesion and that a saliva pellicle may promote adhesion of S. mutans to glass fibers.

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Section: Discussioncontrasting

confidence: 83%

Adherence ofStreptococcus mutans to an E-glass fiber-reinforced composite and conventional restorative materials used in prosthetic dentistry

Tanner

Vallittu

Söderling

2000

J. Biomed. Mater. Res.

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“…Oral bacteria must then interact with these salivary components in order to adhere to the surface. Important factors which foster the accumulation of dental plaque to smooth hard surfaces, are surface characteristics (Tullberg, 1986;Yamauchi et al, 1990). The effect of surface roughness on bacterial adherence is complex.…”

Section: Introductionmentioning

confidence: 99%

“…In contrast, Yamauchi et al (1990) found that S. mutans adhered better to smooth surfaces. Tullberg (1986) reported that polishing increased the adhesion capacity of gold and polymethyl metacrylate.…”

Section: Introductionmentioning

confidence: 99%

In vitro bacterial adherence onto pellicle‐coated aesthetic restorative materials

Shahal

Steinberg²,

Hirschfeld

et al. 1998

J of Oral Rehabilitation

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Adhesion of oral bacteria to teeth and restorative materials plays an important role in the pathogenesis of oral diseases. This study investigated the initial adhesion of Streptococcus mutans to enamel and restorative materials. Three types of composites and two types of glass ionomer cements were used. The specimens were coated with freshly collected human parotid saliva. The salivary coated samples were incubated with cell-free glucosyltransferase, and further incubated with sucrose solution. Finally, the specimens were incubated with 3H-thymidine labelled bacteria. Adhesion of the bacteria to the specimens was measured by scintillation counter. SEM observations were performed on each sample. The results showed no significant differences among the materials and the control. These findings can be explained by the pellicle which coated all the specimens. This biofilm, to which the bacteria were adhered and proved to probably masked existing surface properties of the specimens resulting in similar bacterial adhesion.

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“…The finish of the restoration, the superficial roughness and its integrity, as well as the physiochemical properties of the material, can influence the build-up of dental plaque. 18,[54][55][56] For the samples with surface finishing, the contact angle data showed higher wettability values. As shown in a previous study, 57 the topography of the material surface, including the surface of Ariston pHc, is noticeably different with and without finishing, including superficial roughness.…”

Section: Discussionmentioning

confidence: 99%

Effect of pH on the Wettability and Fluoride Release of an Ion-releasing Resin Composite

Namen¹,

Galan²,

Deus³

et al. 2008

Operative Dentistry

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The effect of pH on the wettability and fluoride release of Ariston pHc was examined. It was determined that this material might interfere with plaque adhesion in the oral environment. SUMMARYThe current study evaluated the effect of pH on the wettability and fluoride release of an ionreleasing resin composite. The contact angles and fluoride release related to both finished and non-finished surfaces were evaluated. The specimens were polymerized and either submitted to finishing procedures or left unfinished, then stored for seven days at pH levels of 5.0, 5.5 and 6.8. Contact angles were measured with two different liquids (water and glycerol) and the fluoride release of the solution was determined. The results were statistically examined by one-way ANOVA and Bonferroni test at p<0.05. The data showed that there were statistically significant differences in contact angles between the finished and unfinished ion releasing resin composites, except at pH 5.0, when measured with water. The highest contact angles were found at pH 6.8, mainly in the unfinished group. The fluoride release showed the highest values in the finished group at pH levels of 5.0 and 5.5 and in the unfinished group at pH 5.5.

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An experimental study of the adhesion of bacterial layers to some restorative dental materials

Cited by 4 publications

References 12 publications

Adherence ofStreptococcus mutans to an E-glass fiber-reinforced composite and conventional restorative materials used in prosthetic dentistry

Adherence ofStreptococcus mutans to an E-glass fiber-reinforced composite and conventional restorative materials used in prosthetic dentistry

In vitro bacterial adherence onto pellicle‐coated aesthetic restorative materials

Effect of pH on the Wettability and Fluoride Release of an Ion-releasing Resin Composite

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