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  • 1
    Digitale Medien
    Digitale Medien
    Microleakage Evaluation in Amalgam Restorations Used with Bases (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of esthetic and restorative dentistry 4 (1992), S. 0 
    Details
    ISSN: 1708-8240
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Marginal leakage in amalgam restorations often precedes the development of secondary caries. One potential way to improve the marginal seal of such restorations, and thus minimize the risk of carles development, is to apply a glassionomer base prior to amalgam placement.This study compared microleakage resistance among amalgam restorations placed with and without light-cured glass-ionomer base materials. Preparations were made in extracted human molar teeth. Four groups were studied, including copal varnish, which was used as a control. All specimens were restored with amalgam. Results indicated significantly greater leakage at the cavity wall/base interface for restorations with a copal varnish cavity liner than for those with a glass-ionomer base. Leakage differences among bases were also found at the amalgam/base interface. Best results were obtained with a dual-cure resin-based system. These samples showed minimal leakage at both the cavity wall/base and the base/amalgam interfaces. These findings suggest that light-cured glass-ionomer bases can be effective in the prevention of microleakage in amalgam restorations.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1708-8240.1992.tb00656.x
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  • 2
    Digitale Medien
    Digitale Medien
    Evaluation of Microleakage in Tenure-Based Restorations (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of esthetic and restorative dentistry 2 (1990), S. 0 
    Details
    ISSN: 1708-8240
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: This study evaluates the effects of six composite resins, which use three different curing systems, on the ability of Tenure to resist microleakage. The curing systems were a photoinitiated dual-cure system, a dual-cure system, and light-cure systems. A total of 39 human molars were used. Following 2,000 cycles on a thermocycler, specimens were exposed to 0.2 percent basic fuchsin dye for 24 hours and then examined for microleakage. Results indicated that the composite resin plays an important role in the ability of a restorative system to resist microleakage. The photoinitiated dual-cure system produced significantly less microleakage than light-activated systems. No difference in microleakage was found between light-activated systems and the dual-cure system.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1708-8240.1990.tb00632.x
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  • 3
    Digitale Medien
    Digitale Medien
    Establishing Cuspid-Guided Occlusion With Bonded Porcelain (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of esthetic and restorative dentistry 1 (1989), S. 0 
    Details
    ISSN: 1708-8240
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1708-8240.1989.tb00533.x
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  • 4
    Digitale Medien
    Digitale Medien
    The Influence of Finishing Technique on Microleakage (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of esthetic and restorative dentistry 2 (1990), S. 0 
    Details
    ISSN: 1708-8240
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Four different finishing techniques were used in a dentin bonding agent/composite resin restoration to evaluate the possible influence of finishing technique on microleakage. Results indicated that finishing technique affects the ability of the restorative system to resist microleakage. Under the conditions of this study, best results were achieved with a 30-fluted bur followed by a short wet polish. Samples finished dry with polishing disks demonstrated considerable microleakage. This study also suggests that homogeneous nonagglomerated microfilled composite resin does not require disk finishing.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1708-8240.1990.tb00631.x
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