Abstract
Introduction. For the maintenance of the aseptic chain created during the treatment the coronal sealing becomes paramount. Aim. Evaluating the antibacterial effect and the physical-mechanical properties of a temporary restorative material containing different antibacterial agents. Material and Methods. Two antibacterial agents (triclosan and chloramine T) were manually added to a temporary restorative material used as base (Coltosol). The antibacterial action of the material was analyzed using the agar diffusion method, in pure cultures of Escherichia coli (ATCC BAA-2336) and Staphylococcus aureus (ATCC 11632) and mixed culture of saliva collection. The microleakage rate was analyzed using bovine teeth, previously restored with the materials, and submitted to thermocycling, in a solution of 0.5% methylene blue, for a period of 24 hours. The physical and mechanical properties of the materials analyzed were setting time, water sorption, solubility, and compression strength. Results. No marginal leakage was observed for all groups. There was no statistical significant difference in antimicrobial activity, setting time, water sorption, solubility, and compression strength among the materials. Conclusion. The addition of antibacterial agents on a temporary restorative material did not optimize the antibacterial ability of the material and also did not change its physical-mechanical properties.
Highlights
For the maintenance of the aseptic chain created during the treatment the coronal sealing becomes paramount
One of the main functions of temporary cements is the protection of dentin tubules exposed during removal of the smear layer, which are susceptible to the infiltration of bacteria and chemicals [13]
There is only pigmentation on the temporary restorative material
Summary
For the maintenance of the aseptic chain created during the treatment the coronal sealing becomes paramount. Aim. Evaluating the antibacterial effect and the physical-mechanical properties of a temporary restorative material containing different antibacterial agents. The physical and mechanical properties of the materials analyzed were setting time, water sorption, solubility, and compression strength. The addition of antibacterial agents on a temporary restorative material did not optimize the antibacterial ability of the material and did not change its physical-mechanical properties. For the maintenance of the aseptic chain created during the treatment the coronal sealing becomes paramount, avoiding marginal percolation of oral fluids and microorganisms into the system [4, 5]. The temporary restorative material must have properties that prevent leakage, allow adhesion to substrates, and show good dimensional stability, mechanical strength, and antimicrobial activity [12]
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