Bonding of contemporary glass ionomer cements to dentin

Yip, Hon Chi; Tay, Franklin R.; Ngo, Hien Chi; Smales, Roger J.; Pashley, David H.

doi:10.1016/s0109-5641(01)00007-0

Cited by 103 publications

(73 citation statements)

References 37 publications

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“…In this study, the teeth were stored in phosphate buffered saline 19,20) at room temperature 20) until they were used at the laboratory. Since all the teeth for all the test groups in this study were kept in the same storage medium, it was assumed that differences due to storage medium among the test groups were precluded.…”

Section: Discussionmentioning

confidence: 99%

“…The polyacid conditioning protocol did not remove nor alter the affected dentin surface layer from irradiation. This is because dentin was demineralized by a depth of about 0.5 μm when 25％ polyacrylic acid was used on intact dentin surface 19) . This study was based on in vitro conditions.…”

Section: Discussionmentioning

confidence: 99%

“…In groups using KME, 25％ polyacrylic acid conditioner was applied to the dentin surface for 25 seconds before the GIC was placed on the dentin surface 19,20) . As for groups using FIX, 20％ polyacrylic acid conditioner was applied to the dentin surface for 10 seconds 20) .…”

Section: Convetionalmentioning

confidence: 99%

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Bond strengths of two conventional glass-ionomer cements to irradiated and non-irradiated dentin

et al. 2008

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This study evaluated the influence of irradiation on the dentin shear bond strength of two conventional glass ionomer cements (GICs). Thirty extracted molars were bisected in the mesio-distal direction. One-half of 20 teeth were irradiated with 60 Gy (5 days/week) for 6 weeks, and then GIC was placed on the irradiated dentin surface (Groups A1, B1). For the other halves of these tooth specimens, the GICs were first placed on their dentin surfaces and then the specimens irradiated (Groups A2, B2). The remaining 10 teeth were bisected and used as non-irradiated controls (Groups C1, C2). The GICdentin shear bond strengths were examined. Groups A2 and B2 had significantly lower bond strengths than groups A1, B1, C1, and C2 (p<0.05). No significant differences were found among groups A1, B1, C1, and C2 (p>0.05). In conclusion, irradiation may have an adverse effect on the bond strength of GICs depending on the application sequence.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Bond strengths of two conventional glass-ionomer cements to irradiated and non-irradiated dentin

et al. 2008

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“…However, the presence of a glass ionomer cement-like interaction layer that increased in thickness with time of adhesive contact with dentin might provide an alternative bonding mechanism that is similar to that of glass ionomer cements [92][93][94][95] . Similar to what was previously observed for conventional glass ionomer cements, the interaction layer was either present on the dentin surface or dispersed within the very thin hybrid layer.…”

Section: Ultrastructural Changes Of the Resin-dentin Interface Bondedmentioning

confidence: 99%

A Review of Chemical-approach and Ultramorphological Studies on the Development of Fluoride-releasing Dental Adhesives Comprising New Pre-Reacted Glass Ionomer (PRG) Fillers

et al. 2008

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This paper reviews our recent studies on fluoride-releasing adhesives and the related studies in this field based on information from original research papers, reviews, and patent literatures. A revolutionary PRG (pre-reacted glass ionomer) filler technology -where fillers were prepared by the acid-base reaction of a fluoroaluminosilicate glass with polyalkenoic acid in water, was newly developed, and a new category as "Giomer" was introduced into the market. On fluoride release capability, SIMS examination revealed in vitro fluoride ion uptake by dentin substrate from the PRG fillers in dental adhesive. On bonding durability, it was found that the improved durability of resin-dentin bonds might be achieved not only via the strengthened dentin due to fluoride ion uptake from the PRG-Ca fillers, but also due to retention of relatively insoluble 4-AETCa formed around remnant apatite crystallites within the hybrid layer in 4-AET-containing self-etching adhesives. On ultramorphological study of the resin-dentin interface, TEM images of the PRG-Ca fillers revealed that the dehydrated hydrogel was barely distinguishable from normal glass fillers, if not for the concurrent presence of remnant, incompletely reacted glass cores. In conclusion, it was expected that uptake of fluoride ions with cariostatic effect from PRG-Ca fillers would endow dentin substrates with the benefit of secondary caries prevention, together with an effective and durable adhesion to dentin. Key words: Pre-reacted glass ionomer (PRG) technology, Giomer, Fluoride-releasing adhesiveReceived May 30, 2007: Accepted Nov 2, 2007 In 1955, Dr. Michael Buonocore 1) first demonstrated the bonding of acrylic resin to etched enamel. This success has since opened a new vista in the field of adhesive dentistry, and so-called acid-etching technique is ubiquitous in today's dental clinics. The field of adhesive dentistry has made a significant progress over the past decade. A large part of this success is attributed to the major advances in a bonding technology 2) . On dental adhesives, most of the developed products are biologically evaluated by means of in vivo histopathological studies and clinical trial investigations. INTRODUCTIONResults obtained thus far, when measured against stringent clinical demands, point to the need for further research and improvement. The ultimate goal in the design and development of dental adhesives is to render a material that is relatively easy to apply, less technique-sensitive, and which inhibits the formation of secondary caries. To achieve these targets through the development of more advanced adhesives, numerous challenges have been continuously performed by rigorous chemical-approach studies with the aim of tackling research problems and speculations that are regularly encountered in the course of exploration and development. In addition, to understand the mechanism of adhesion to dental hard tissues or its degradation at the resin-dentin interface, numerous ultramorphological studies are undertaken, and made valuable ...

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“…2,9,10 RMGI materials offer reasonable esthetic qualities along with relative ease of handling; low coefficient of thermal expansion; and chemical bonding to cementum, dentin, and enamel as well as to plastics and nonprecious metals. 6,11,12 Added to these advantages are the release and absorption of fluoride ions over a period of time, a nonetching placement technique, pulpal biocompatibility, soft tissue tolerance, adhesion in a wet field, lower shrinkage values, and reduced microleakage. 13,14 With potential to act as a fluoride reservoir, GI type restorations are sometimes considered the treatment of choice for patients with high caries activity.…”

Section: Introductionmentioning

confidence: 99%

Experimental Initial Partial Polymerization Method for Fuji II Placement Evaluated for Microleakage With/Without Fuji Coat

Fletcher

Roggenkamp

2013

Operative Dentistry

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Sometimes it can be more efficient to impart greater viscosity to resin-modified glass ionomer restorative material for condensability during placement. SUMMARYPurpose: This laboratory study evaluated an experimental 1-second initial partial polymerization (IPP) technique using Fuji II LC vs the manufacturer's standard placement (control), both with and without Fuji Coat, relative to microleakage.Methods: Class V restorative preparations were placed on the buccal and lingual aspects of 30 permanent, caries-free and restorationfree, third molar teeth. Fuji II LC restorations were placed either following manufacturerspecified guidelines or IPP for 1 second prior to contouring and full light curing. Half of the restorations were placed using the IPP experimental technique and half of the teeth were finished using Fuji Coat LC. Following thermocycling, specimens were sectioned and dye penetration was measured. SPSS 16 was used for statistical analysis (p,0.05).Results: Mean microleakage results: experimental/varnish (0.08 6 0.15 mm), control/varnish (0.17 6 0.35 mm), experimental/nonvarnish (0.33 6 0.33 mm), and control/nonvarnish (0.58 6 0.47 mm). Univariate analysis of variance demonstrated significantly less microleakage for the experimental technique (p,0.001), use of finishing varnish (p,0.001), and the combination of experimental/varnish (p=0.013).

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Bonding of contemporary glass ionomer cements to dentin

Cited by 103 publications

References 37 publications

Bond strengths of two conventional glass-ionomer cements to irradiated and non-irradiated dentin

Bond strengths of two conventional glass-ionomer cements to irradiated and non-irradiated dentin

A Review of Chemical-approach and Ultramorphological Studies on the Development of Fluoride-releasing Dental Adhesives Comprising New Pre-Reacted Glass Ionomer (PRG) Fillers

Experimental Initial Partial Polymerization Method for Fuji II Placement Evaluated for Microleakage With/Without Fuji Coat

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