ArticleMaedica2024
Effect of Contamination of Resin Composite with Latex Gloves Containing Corn Powder on Shear Bond Strength to Bovine Dentin Using Two Types of Bonding Systems.
Article in Maedica, 2024. 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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5 authors.
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Abstract
Bacground and purpose: Today, the unwanted contamination of the composite surface with latex gloves during tooth restoration is one of the common problems in restorative dentistry. The present study was conducted with the aim of investigating the effect of resin composite contamination with latex gloves containing corn powder on the strength of the shear bond to bovine dentin during the fifth and seventh generations of the bonding system. MATERIALS AND
methodsThis case-control study was conducted on 90 cow teeth without caries or lesions. To connect the composite restorative material to the samples, 90 plastic molds with a diameter of 3 mm and a height of 2 mm were made. Then, the samples were placed in one of the following six groups of 15 samples each: two control groups (uncontaminated gloves), two groups of gloves contaminated with corn powder and two groups of gloves contaminated with talc powder. Each of the aforementioned groups was assigned to one of the two bonding systems, generation 5 (FGM Amber) or generation 7 (FGM Amber universal self etch). For all samples, the shear strength test was done using a universal testing machine. The shearing force was applied to the bonding area of the composite and the tooth with the force arm with the cross section of a knife with an area of 0.5 cm
resultsThe results of the present study showed that the bond shear strength during the fifth generation bonding system in the control, corn powder and talc powder groups was 191.6, 171.3 and 164.3 newtons, respectively. This amount was equal to 190.3, 165.7 and 161.3 newtons during the seventh generation bonding system in the control, corn powder and talc powder groups, respectively. In both generations of the bonding system, the shear strength of the bond in the control group was significantly higher than the corn powder group. Finally, the comparison of the two types of bonding system groups did not show any significant differences between the study groups.
conclusionBased on the findings of the present study, it can be concluded that in both types of fifth and seventh generation bonding systems, latex gloves with corn powder reduce the strength of the shear bond to tooth dentin compared to latex gloves without powder.
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