Effect of retention grooves on tooth-denture base bond

Cardash, Harold S.; Applebaum, Benjamin; Baharav, Haim; Liberman, R.

doi:10.1016/0022-3913(90)90051-d

Cited by 55 publications

(50 citation statements)

References 5 publications

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“…11,18 However, more elaborate modification of the ridgelap has shown little extra improvement probably because base acrylic in the grooves was too thin to provide added strength. [19][20][21] However, a recent study 22 has shown some improvement in strength using substantial groves. The probability is that the improvement is in physical retention rather than strength of the chemical bond.…”

Section: Compatibility Of Teeth and Base Acrylicmentioning

confidence: 99%

Achieving a good bond in acrylic resin denture teeth

2014

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Section: Compatibility Of Teeth and Base Acrylicmentioning

confidence: 99%

Achieving a good bond in acrylic resin denture teeth

2014

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“…Most attempts to improve the bond strength of denture teeth to an acrylic resin denture base have tried chemical treatment or mechanical modification of the ridge-lap portions of the denture teeth. The effect of mechanical preparation of teeth is well-documented and conflicting results with the removal of the denture tooth glaze and=or the placement of diatorics have been reported [9,[12][13][14]20,21].…”

Section: Introductionmentioning

confidence: 98%

Tensile Bond Strength of a Highly Cross-Linked Denture Tooth to the Compression-Molded and Injection-Molded Denture Base Polymers

Doğan

Korkmaz

Doğan

et al. 2009

The Journal of Adhesion

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This study compared tensile bond strengths between conventional compressionmolded heat (HC)-, auto (AP)-, and microwave-polymerized (MC) poly(methyl methacrylate)-based denture resins and a relatively new injection-molded, microwave-polymerized polyurethane based resin (MI) bonded to a highly cross-linked denture tooth. In the first part of the experiments, denture teeth were used as received. In the second part, they were treated with dichloromethane to see its effect on bonding of conventional denture bases (HCS and APS). Bond strength was tested in tension according to ADA specification No.15. The results showed that the HC group failed cohesively because of higher interface bonding (49.95 MPa) compared with those of the others (AP: 25.41 MPa; MC: 22.06 MPa; MI: 20.02 MPa). The application of dichloromethane improved bond strengths of HCS and APS groups (60.61 and 32.03 MPa, respectively). It was suggested that dichloromethane could be applied on the denture teeth ridge lap area prior to denture base processing to enhance adhesion between the tooth=resin.

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“…Other studies have been developed with the purpose of demonstrating the influence of mechanical retentions on glossy ridge laps [26,27], and the monomer etching effect on the unmodified ridge laps [28][29][30][31], in the increase of the adhesive strength between tooth and denture base. In addition, few studies had been developed with the aim of characterizing the effect of microwave irradiation on the shear bond strength of the tooth=base resin adhesion, a critical condition that may modify the durability of the complete denture in oral use.…”

Section: Introductionmentioning

confidence: 99%

Effect of Microwave Treatment on the Shear Bond Strength of Denture Tooth/Acrylic Resin

Manesco

Mesquita

Correr-Sobrinho

et al. 2008

The Journal of Adhesion

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This study investigated the effect of microwave treatment on the shear bond strength of the denture tooth to acrylic resin adhesion, when the glossy ridge laps were unmodified, abraded, grooved, or etched by monomer. Eighty specimens (n ¼ 10) were polymerized in a hot bath at 74 C for 9 hours, and deflasked after flask cooling. Specimens were soaked in 150 mL of distilled water and submitted to microwave treatment in a domestic microwave oven calibrated at 650 W for 3 minutes. Control specimens were not microwave treated. The shear bond strength test was performed in an Instron machine with a cross-speed of 1mm=minute. The ultimate fracture load value was transformed into shear bond strength as a function of the bonding area. Collected data were submitted to ANOVA and Tukey's test (a ¼ .05). Treatment by microwave energy significantly decreased (p < .05%) the shear bond strength values in all ridge lap conditions used for the denture tooth=resin adhesion.

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Effect of retention grooves on tooth-denture base bond

Cited by 55 publications

References 5 publications

Achieving a good bond in acrylic resin denture teeth

Achieving a good bond in acrylic resin denture teeth

Tensile Bond Strength of a Highly Cross-Linked Denture Tooth to the Compression-Molded and Injection-Molded Denture Base Polymers

Effect of Microwave Treatment on the Shear Bond Strength of Denture Tooth/Acrylic Resin

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