Long-term fluoride release from a composite restorative

Temin, Samuel C.; Csűrös, Z.

doi:10.1016/s0109-5641(88)80061-7

Cited by 42 publications

(17 citation statements)

References 5 publications

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“…The amounts of fluoride released by the compomer at 1 d (0.8 mg/cm 2 ) and at 7 d (2.7 mg/cm 2 ) are in perfect agreement with the release earlier recorded for the same compomer (24), but at 4 months (8.6 mg/cm 2 ) are higher than those reported by Karantakis et al (25). The amounts released by the glass ionomer cement at 1 d (9.7 mg/cm 2 ) and at 7 d (41.4 mg/cm 2 ) fall in between earlier determined values (25,26), and at 4 months (119 mg/cm 2 ) are higher than that reported by Karantakis et al (25). The discrepancies may be due to differences between the investigated glass ionomer cements (11) and to differences in experimental conditions.…”

Section: Discussionsupporting

confidence: 45%

“…11, 25) that the amount of fluoride released from resin composites was smaller than that released from glass ionomer cements and compomers. However, Temin and Csuros found that a specially designed resin composite was able to release considerable amounts of fluoride (26). With this commercial, fluoride-containing resin composite, a relatively constant release rate of about 0.20 mg/cm 2 per day was reached after about a year.…”

Section: Discussionmentioning

confidence: 90%

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Long-term fluoride release from a glass ionomer cement, a compomer, and from experimental resin composites

Asmussen

Peutzfeldt

2002

Acta Odontologica Scandinavica

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The aqueous phase of glass ionomer cements enables fluoride ions to diffuse and to be released from the material. The matrix of resin composites is much less hydrophilic, and fluoride incorporated in the material is only released in small amounts. It was the purpose of the present work to study the influence of resin matrix formulation on the fluoride release from experimental, fluoride-containing resin composites. The resin composites were based on methacrylate monomers and the adduct of maleic anhydride and HEMA (2-hydroxyethyl methacrylate). The resin composites contained 1 w% or 5 w% of AlF3*3H2O. A glass ionomer cement and a compomer were used as controls. Five disks of each material were stored in distilled water at room temperature. By means of a fluoride sensitive electrode, the fluoride release from disk-shaped specimens was determined periodically over 3 years. The glass ionomer cement released the most fluoride (1.54 +/- 4 microg/cm2 after 1 year and 248 +/- 7 microg/cm2 after 3 years). The compomer released relatively little fluoride during the 1st year (30 +/- 1 microg/cm2) but after this time the rate of fluoride release became equal to that of the glass ionomer cement, resulting in a release of 122 +/- 8 microg/cm2 after 3 years. Regarding the resin composites, the fluoride release increased with the hydrophilicity and the acid character of the polymer matrix. The release, however, was significantly lower than that from the glass ionomer cement and the compomer and ranged from 1.2 +/- 0.07 to 42 +/- 3.9 microg/cm2 at 1 year and from 2.3 +/- 0.16 to 79 +/- 6 microg/cm2 at 3 years.

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Section: Discussionsupporting

confidence: 45%

Section: Discussionmentioning

confidence: 90%

Long-term fluoride release from a glass ionomer cement, a compomer, and from experimental resin composites

Asmussen

Peutzfeldt

2002

Acta Odontologica Scandinavica

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“…In one system (Fluorever®), NaF was added to a composite system. This fluoride-containing composite resin releases substantial amounts of fluoride that is subsequently incorporated in enamel [Temin and Czuros, 1988;Cooley et al, 1988;Temin et al, 1989]. Another approach is the YbF3 incorpora tion of fluoride as part of the filler system of the compos ite.…”

mentioning

confidence: 99%

Secondary Caries in situ around Fluoride-Releasing Light-Curing Composites: A Quantitative Model Investigation on Four Materials with a Fluoride Content between 0 and 26 vol%

Dijkman¹,

Arends²

1992

Caries Res

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In the literature, secondary caries around composite restorations is reported often. Fluoridated composites are therefore interesting materials because they might reduce or inhibit secondary caries. In this article an in situ model investigation is presented in which the effect of F-releasing composites on enamel demineralisation around an artificial gap of 200 μm width was quantified after 1 month. The fluoride content of the composites varied between 0 and 26 vol%. The beneficial effect of the fluoride released was larger in the gap than at the outer enamel surface. In the gap, all fluoridated composites reduced the enamel demineralisation statistically significantly with respect to the non-fluoridated control. Microradiography showed a reduction of lesion depth values of 27–45%, and a reduction of mineral loss values of 25–56%. At the outer enamel surface next to the artificial gap, a beneficial fluoridation effect was measurable only near the most fluoridated composite. The results indicate that fluoridated composites may play a role in the future prevention of secondary caries.

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“…Fluoride-releasing resins have been studied for over 30 years (Phillips and Swartz, 1957;Swartz et al, 1976;Rawls and Zimmerman, 1983;Temin and Csuros, 1988;Cooley et al, 1989;Underwood et al, 1989). However, commercial products, including a resin composite orthodontic adhesive called FluorEver OBA (MacroChem Corporation, Billerica, MA), have become available only recently.…”

mentioning

confidence: 99%

“…Most conventional methods for the evaluation of fluoride release measure ions eluted from discs of a material (Cooley et al, 1988;Temin and Csuros, 1988;Swift, 1989). Other evaluation methods involve measurement of fluoride uptake by tooth structure (Temin et al, 1989).…”

mentioning

confidence: 99%

In vitro Evaluation of a Fluoride-releasing Orthodontic Resin

1990

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Decalcification around brackets is sometimes observed following orthodontic treatment. Fluoride-releasing orthodontic adhesives have been developed and used for reduction of the frequency and severity of decalcification. This study evaluated a light-activated, fluoride-releasing resin composite adhesive, FluorEver OBA. Our findings indicate that FluorEver OBA released small concentrations of fluoride ions over time. However, the adhesive had significantly lower tensile bond strengths than a conventional composite cement. Microhardness testing indicated that the resin underneath metal orthodontic brackets was not thoroughly polymerized, which may have contributed to cohesive failures of the resin composite. Despite its lower tensile bond strength, FluorEver OBA may be indicated for cases where decalcification is expected.

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Long-term fluoride release from a composite restorative

Cited by 42 publications

References 5 publications

Long-term fluoride release from a glass ionomer cement, a compomer, and from experimental resin composites

Long-term fluoride release from a glass ionomer cement, a compomer, and from experimental resin composites

Secondary Caries in situ around Fluoride-Releasing Light-Curing Composites: A Quantitative Model Investigation on Four Materials with a Fluoride Content between 0 and 26 vol%

In vitro Evaluation of a Fluoride-releasing Orthodontic Resin

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