ArticleCureus2025
The Effect of Adhesive Systems on the Bond Strength of Directly Bonded Fixed Partial Dentures Using Artificial Teeth: An In Vitro Study.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
Objective This study aimed to evaluate the effect of different adhesive systems on the bond strength of a directly bonded fixed partial denture (DBFPD) utilizing artificial teeth through shear bond strength (SBS) testing and a DBFPD model experiment. Materials and methods Two different adhesive systems: self-curing resin cement (SRC) (Super Bond Universal; Sun Medical, Moriyama, Japan) and light-curing flowable resin composite (LFRC) (G-Fix; GC, Tokyo, Japan) were applied to two different hybrid resin artificial teeth: Duracross Physio (Nissin, Kyoto, Japan) and Endura Posterio (Shofu, Kyoto, Japan). The SBS of the adhesive systems to artificial teeth was evaluated using a universal testing machine (AGX-1kN, Shimadzu, Kyoto, Japan). Subsequently, the failure modes were assessed using a stereomicroscope (VHX-970F, Keyence, Osaka, Japan). An experimental model comprising a lower mandibular incisor artificial tooth as a pontic was utilized to evaluate the bond strength of these adhesive systems, with or without a retentive groove. Results The SRC group (≈20 MPa) exhibited significantly higher SBS than the LFRC group (≈10MPa), with no significant difference between artificial teeth types. Failure mode analysis showed no adhesive failure in the SRC group, while the LFRC group primarily failed adhesively. In the model experiment, SRC-fixed artificial teeth had the highest bond strength, unaffected by groove presence. The LFRC group with a groove showed slightly improved strength, but the increase was not statistically significant. Conclusions SRC demonstrated superior bond strength compared to LFRC for hybrid resin artificial teeth, regardless of filler percentage or retentive groove presence.
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