Studies on Adhesion of Methacrylic Resin to Cobalt-Chromium Alloy for Denture Base

Mogi, Tomoharu

doi:10.2186/jjps.23.660

Cited by 9 publications

(2 citation statements)

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“…The fracture sections were exfoliated at the metal surface. Many studies (14–17) have already reported that the adhesiveness of PMMA to metals (precious or non‐precious alloys) was improved using adhesive monomers, such as 4‐META or Thiirane, which have superior adhesive strength. Further investigations to improve bonding to Co–Cr alloy should use various blends of such adhesive monomers and γ ‐MPS.…”

Section: Discussionmentioning

confidence: 99%

Physical and mechanical properties of PMMA resins containing γ‐methacryloxypropyltrimethoxysilane

Kanie

Arikawa

Fujii

et al. 2004

J of Oral Rehabilitation

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The polymethylmethacrylate (PMMA) resins containing c-methacryloxypropyltrimethoxysilane (c-MPS) of 0, 2, 4, 6, 10, 15, 20 and 30 mo1%, added to methylmethacrylate, were prepared using a monomer-polymer technique and stored in air or water at 37 % 0AE5°C for 28 days. The flexural strength and flexural modulus of the PMMA resins containing c-MPS of 20 and 30 mo1% were significantly smaller than those containing 2-6 mo1% and the same statements were true for the adhesive strength to porcelain tooth. However, its value of adhesive strength to Co-Cr alloy was remarkably less than to porcelain tooth. By contrast, there was no significant difference among the Knoop hardness of the PMMA resins examined. On the other hand, the thermal expansion had an increasing tendency with an increase of a c-MPS content. The dynamic shear modulus within a temperature measured (20-140°C) decreased s1ightly as the c-MPS content of the PMMA resins increased, and the peak temperature of mechanical loss tangent also tended to decrease. These results indicated that the PMMA resin containing c-MPS of 6 mol% was the best composition from the standpoint of an excellent adhesive strength against porcelain, although its water absorption was 1AE9 times that of PMMA.

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Section: Discussionmentioning

confidence: 99%

Physical and mechanical properties of PMMA resins containing γ‐methacryloxypropyltrimethoxysilane

Kanie

Arikawa

Fujii

et al. 2004

J of Oral Rehabilitation

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“…Recently marked developments have been made in the studies on the adherence of dental adhesive resin to both human teeth and dental alloys1-6). Many studies have been made on the resin adhesion to dental alloys; pioneering work by Tanaka on Ni-Cr alloys7-9) and gold alloys10); studies on Ni-Cr alloys11-15), Co-Cr alloys11, [15][16][17][18][19][20][21][22], and precious metal alloys14,15,23-28). There have been, however, no reports on the relationship between the alloy surface structure and resin adhesion or the mechanism of the adhesion.…”

Section: Introductionmentioning

confidence: 99%

The Adhesion Mechanism of Dental Adhesive Resin to the Alloy

Ohno

Araki

Sagara

1986

Dental Materials Journal

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A dental adhesive resin containing 4-META was bonded to three different surface states, an as-polished surface and two oxidized surfaces, of a 70 mass % Co-Cr alloy. The surface structure of the alloys was analyzed by ESCA and reflection electron diffraction. The relationship between the bonding strength and surface structures is discussed on the basis of the adhesion mechanism models.A several-molecule thick layer of H2O which is adsorbed on the Co3O4 layer of the oxidized surfaces lowers the bonding strength.This explains why the bonding strength of the resin on the as-polished surface, which is an amorphous passive film, is superior to the oxidized surfaces which are mainly composed of Co3O4.

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Effects of polymerization shrinkage on the interfacial stress at resin–metal joint in denture-base: A non-linear FE stress analysis

et al. 2006

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Studies on Adhesion of Methacrylic Resin to Cobalt-Chromium Alloy for Denture Base

Cited by 9 publications

References 0 publications

Physical and mechanical properties of PMMA resins containing γ‐methacryloxypropyltrimethoxysilane

Physical and mechanical properties of PMMA resins containing γ‐methacryloxypropyltrimethoxysilane

The Adhesion Mechanism of Dental Adhesive Resin to the Alloy

Effects of polymerization shrinkage on the interfacial stress at resin–metal joint in denture-base: A non-linear FE stress analysis

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