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Related Experiment Videos

Comparative study of dentin adhesives.

E K Hansen, E Asmussen

    Scandinavian Journal of Dental Research
    |June 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    GLUMA and Superbond demonstrated superior marginal adaptation in Silux fillings after 1 day of water exposure. Other dentin adhesives showed varying degrees of effectiveness, with some performing worse than the control.

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    Area of Science:

    • Dental Materials Science
    • Restorative Dentistry
    • Adhesive Dentistry

    Background:

    • Marginal adaptation of dental restorative materials is crucial for long-term clinical success.
    • Dentin adhesives play a vital role in achieving a seal between the restoration and tooth structure.
    • Understanding adhesive performance under varying cavity configurations is essential for optimizing clinical outcomes.

    Purpose of the Study:

    • To investigate the marginal adaptation of Silux restorative material using various dentin adhesives.
    • To evaluate the influence of cavity geometry, specifically cavosurface angle, on adhesive performance.
    • To compare the efficacy of different commercially available dentin adhesives.

    Main Methods:

    • Dentin cavities of varying diameters (1.8–6.4 mm) and cavosurface angles (90°, 110°, 135°, 160°) were prepared in human teeth.

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  • Eight different dentin adhesives (Clearfil, Creation 1150, GLUMA, NPG-GMA + PMDM, Palfique, Panavia, Scotchbond, Superbond) were tested with Silux.
  • Marginal gaps were measured immediately after polymerization and after 1 day of water immersion. Silux Enamel Bond served as the control.

    • Main Results:

    • No adhesive prevented marginal gap formation immediately after polymerization.
    • After 1 day of water immersion, only GLUMA and Superbond achieved gap-free fillings.
    • GLUMA, Superbond, and NPG-GMA + PMDM showed the best performance, while Clearfil and Creation 1150 were inferior to the control.
    • Increasing the cavosurface angle significantly improved the marginal adaptation for all tested adhesives.

    Conclusions:

    • GLUMA and Superbond exhibit excellent marginal sealing capabilities for Silux restorations, especially after water exposure.
    • Cavosurface angle is a critical factor influencing the effectiveness of dentin adhesives, with wider angles improving performance.
    • The choice of dentin adhesive significantly impacts the marginal integrity of Silux restorations, necessitating careful selection based on clinical factors.