Interface between metal and resin on the finishing line of cobalt-chromium denture. Part 7. A clinical evaluation of 4-META system: A five-year report.

Yasuda, Noboru; Sasaki, Mitsuo; Shinogaya, Tatsuya; Ai, Minoru

doi:10.2186/jjps.29.761

Cited by 5 publications

(3 citation statements)

References 4 publications

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“…Similarly, in this study the specimens were air-abraded with 50 |i AI2O3 & microretention was provided. Yasuda's (1985) patients used the removable partial prostheses, in which he attained bonding with 4-META, for extended periods. He obtained a clinically stable bond formation between 4-META adhesive acrylic resin and metal alloy.…”

Section: Discussionmentioning

confidence: 99%

Effect of 4-META adhesive on the bond strength of different metal framework designs and acrylic resins

Canay¹,

Hersek²,

Tulunoğlu³

et al. 1997

J Oral Rehabil

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The effect of relining the 4-META adhesive resin onto metal alloy of a partial denture framework was tested. Seventy-two metal frameworks with three different retentive patterns were designed. Half of the specimens were treated with 4-META, the other group was left untreated. Thirty-six specimens were first divided into three groups in which 12 samples had different designs of retention, i.e. mesh, ring-shaped and flat plane. Then, each different retentive design was divided into two groups and in one group Lucitone 199 and the other QC acrylic resin were processed. Finally they were subjected to shear test. While samples with adhesive exhibited greater bond strength than the others, samples without adhesive may be ranked in the order mesh, ring-shaped and flat planes with regard to shear bond strength. In samples with adhesive, the flat plane ones displayed better results. Statistically significant differences were observed in the relationships between the groups.

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Section: Discussionmentioning

confidence: 99%

Effect of 4-META adhesive on the bond strength of different metal framework designs and acrylic resins

Canay¹,

Hersek²,

Tulunoğlu³

et al. 1997

J Oral Rehabil

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“…5 , 6 Yasuda et al reported that a higher bond strength was obtained for cobalt-chromium (Co-Cr) alloys with a 4-META bonding system and also suggested in a longitudinal in vivo research study that the formation of bonds between these materials is clinically stable. 6 , 7 …”

Section: Introductionmentioning

confidence: 99%

Effect of adhesive primers on bonding strength of heat cure denture base resin to cast titanium and cobalt-chromium alloy

et al. 2009

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STATEMENT OF PROBLEMThe poor chemical bonding of a denture base resin to cast titanium framework often introduces adhesive failure and increases microleakage.PURPOSEThis study evaluated the shear bond strengths of a heat cure denture base resin to commercially pure titanium, Ti-6Al-4V alloy and a cobalt-chromium alloy using two adhesive primers.MATERIAL AND METHODSDisks of commercially pure titanium, Ti-6Al-4V alloy and a cobalt-chromium alloy were cast. Specimens without the primer were also prepared and used as the controls. The shear bond strengths were measured on a screw-driven universal testing machine.RESULTSThe primers significantly (P < .05) improved the shear bond strengths of the heat cure resin to all metals. However, the specimens primed with the Alloy primer® (MDP monomer) showed higher bond strength than those primed with the MR bond® (MAC-10 monomer) on titanium. Only adhesive failure was observed at the metal-resin interface in the non-primed specimens, while the primed specimens showed mixed failure of adhesive and cohesive failure.CONCLUSIONSThe use of appropriate adhesive metal primers makes it possible not only to eliminate the need for surface preparation of the metal framework before applying the heat cure resins, but also reduce the need for retentive devices on the metal substructure. In particular, the Alloy primer®, which contains the phosphoric acid monomer, MDP, might be clinically more acceptable for bonding a heat cure resin to titanium than a MR bond®, which contains the carboxylic acid monomer, MAC-10.

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“…Within the last decade, advancements in adhesive dentistry have made it possible to improve the interface between dental resins and alloys. Numerous studies describe alteration of denture base resins to improve their adhesive properties 8–12 . Studies have suggested that the SiO x ‐C coating of alloys improves the bond strengths 13,14 .…”

mentioning

confidence: 99%

Adhesion testing of a denture base resin with 5 casting alloys

Clelland

Putten

Brantley

et al. 2000

Journal of Prosthodontics

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Interface between metal and resin on the finishing line of cobalt-chromium denture. Part 7. A clinical evaluation of 4-META system: A five-year report.

Cited by 5 publications

References 4 publications

Effect of 4-META adhesive on the bond strength of different metal framework designs and acrylic resins

Effect of 4-META adhesive on the bond strength of different metal framework designs and acrylic resins

Effect of adhesive primers on bonding strength of heat cure denture base resin to cast titanium and cobalt-chromium alloy

Adhesion testing of a denture base resin with 5 casting alloys

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