Is a low viscosity bonding resin necessary?

Retief, D.H.; Woods, E.

doi:10.1111/j.1365-2842.1981.tb00500.x

Cited by 35 publications

(4 citation statements)

References 20 publications

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“…The presence of fillers or tinting agents does not influence interfacial strength. These are in accordance with previous results (Retief & Woods, 1981;Wright & Retief, 1984).…”

Section: Discussionsupporting

confidence: 95%

A comparative in vitro study of visible light‐cured sealants

Lekka

Papagiannoulis

Εliades

et al. 1989

J of Oral Rehabilitation

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The introduction of visible light polymerization in dentistry led to the development of a new generation of pit and fissure sealants. The purpose of this study was an overall evaluation of some in vitro characteristics of four new sealants (Delton LC, Helioseal, Pentra-Seal and Visioseal) in comparison with a chemically cured control (Delton). The results indicate that the monomer systems utilized in the new materials have already been used in dental polymer technology. The relatively new monomers TCDDMA/TCDMA were identified in one product. Camphoroquinone is used as a photoinitiator in all the light-cured systems which, after 40 s exposure, present better conversion than the control. The extent of oxygen inhibition was considerably reduced in the new sealants and the surface hardness was enhanced. Great differences were obtained in the penetration coefficient values; these, however, did not affect the enamel retention capacity of the materials tested. Consequently, light-cured sealants should be considered to be strongly compatible with the conventional chemically cured sealants from a laboratory aspect until more clinical evidence is available for their effectiveness in the prevention of pit and fissure decay.

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“…The presence of fillers or tinting agents does not influence interfacial strength. These are in accordance with previous results (Retief & Woods, 1981;Wright & Retief, 1984).…”

Section: Discussionsupporting

confidence: 95%

A comparative in vitro study of visible light‐cured sealants

Lekka

Papagiannoulis

Εliades

et al. 1989

J of Oral Rehabilitation

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“…According to our results, Swift, Perdigao & Heymann (1995) discovered a better link between the restorative material and the microporosities of the etched enamel, following the use of hybrid composite and an unfilled resin, if compared with the hybrid composite alone. In contrast, Retief & Woods (1981) could not find any improvement of penetration into microporosities or sealing following the use of low viscous enamel bonding material. A reason for this contrast may be the differences in the composition and viscosities of the composites and bonding agents used in their experiments.…”

Section: Discussionmentioning

confidence: 99%

Effect of different luting procedures on the seating of ceramic inlays

Hahn

Schaller

Hafner

et al. 2000

J of Oral Rehabilitation

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This in vitro study evaluated the effect of different luting procedures on the proper seating of ceramic inlays and on the marginal seal through microleakage testing. Sixty mesial-, occlusal-, distal- (MOD) cavities were prepared in third molars, and distributed among four groups. In the control group 1, the cavity surface was treated with dentin and enamel bonding agents; ceramic inlays were placed into the cavity and light cured. In group 2, the dentin and enamel bonding agents were cured prior to the placing of the inlays, and following the insertion. In group 3, the inlays were luted without enamel bonding. In group 4, the inlays were cemented using a one-bottle bonding and two times light curing. The groups with only one time light curing at the end of the luting process exhibited the smallest luting space following cementation. The smallest dye penetration values were obtained for the two groups with separate light curing of the dentin bonding agent. Reducing the film thickness of polymerized dentin bonding agents, i.e. by changing the composition of the bonding agents, could facilitate proper seating of ceramic inlays together with a better marginal seal.

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“…This necessitates the use of a fluid unfilled liquid resin to thoroughly wet the porous enamel surface for adhesion (8,9). Opposite opinions argue that the use of unfilled liquid resin does not promote the bond strength of enamel adhesion (10,11). If enamel adhesion does not entirely depend on mechanical interlocking between the etched enamel prisms and resin tags, orthodontic attachments may be bonded without the use of liquid resin.…”

mentioning

confidence: 97%

In vitro shear bond strength of orthodontic bondings without liquid resin

Tang

Björkman

Adamczak

et al. 2000

Acta Odontologica Scandinavica

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This study aimed at evaluating the early shear bond strength of enamel-composite-bracket adhesion accomplished without the use of liquid resin. Orthodontic brackets were bonded to the buccal surfaces of healthy extracted premolars in the test group by Transbond XT (n = 8) and Phase II (n = 8) composites but not the enclosed liquid resins in these products. Brackets bonded with the same materials (n = 8 for each) along with their corresponding liquid resin served as controls. The specimens were tested for shear bond strength after 24-h storage in water at 37 degrees C. The fractured surfaces were graded with Adhesive Remnant Index (ARI) under a 2x-dissection microscope. Enamel of the randomly selected test and control specimens was dissolved by 20% formic acid. Afterwards, the enamel side of the bonding materials in both groups (n = 4) was examined under the scanning electron microscope. ANOVA was used for statistical analyses. Our laboratory data suggest that the enamel adhesion produced by these two commercial materials without the use of liquid resin does not differ significantly in their early in vitro shear bond strength.

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Is a low viscosity bonding resin necessary?

Cited by 35 publications

References 20 publications

A comparative in vitro study of visible light‐cured sealants

A comparative in vitro study of visible light‐cured sealants

Effect of different luting procedures on the seating of ceramic inlays

In vitro shear bond strength of orthodontic bondings without liquid resin

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