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ONLINE ONLY ARTICLES

Automix resin-modified glass ionomer cements (RMGIs) may be easier and more efficient than a hand mix version of the same RMGI, but they may not have the same favorable mechanical properties, which could potentially affect the longevity of the cement.

The use of peptide P11-4 may be considered for preventing enamel acid erosion.

Nanocomposites have been found to exhibit properties and clinical performance comparable to those of several hybrid composites but better than microfilled composites. However, there is no long-term evidence yet to show a superior performance that justifies their use in stress-bearing areas.

The effectiveness of direct restorations performed with nanofilled/nanohybrid composites was similar to that obtainable with traditional microhybrid composites. The weight of the available evidence supports the free choice in the clinical setting between these two classes of restorative materials.

Based on the results obtained in this study, similar results are obtained in terms of bleaching effectiveness with different concentrations of carbamide peroxide, but 10% carbamide peroxide produced lower risk and intensity of tooth sensitivity.

CLINICAL TECHNIQUE/CASE REPORT

Ultrathin bonded posterior occlusal veneers represent a conservative alternative to traditional onlays and complete coverage crowns for the treatment of moderate and severe erosive lesions.

Measuring/quantifying the wearing time of carbamide peroxide in acetate trays will better guide professionals to promptly identify and overcome problems of cooperation resulting from the inappropriate use of bleaching products and provide a more effective bleaching treatment.

CLINICAL RESEARCH

When an alkaline and desensitizing-containing in-office gel is used, it is recommended to be applied for one 40-minute application without gel refreshing.

The use of self-etch adhesive alone prior to fissure sealant application might not be a good choice for a predictable clinical performance.

LABORATORY RESEARCH

A conditioning protocol of dental ceramics with a less hazardous material and a reduction of clinical steps, making the resin cement bonding procedure safer and easier, is an alternative to hydrofluoric acid conditioning.

When making treatment decisions, clinicians should consider the impact on nanofilled resin composite wear characteristics of degradation by occlusal and thermal stresses.

Immediate dentin sealing (IDS) has been suggested in order to reduce postoperative sensitivity. Although IDS tends to enhance initial bond strength values, IDS does not prevent a decrease in bond strength values after three months of storage in water.

This study provides practitioners with information on the differences in spectral peak, irradiance, radiant exposure, output stability, mouth accessibility, and tip size for a variety of light-curing units, which can define the choice of proper equipment for clinical use.

Application of surface sealants do not improve the surface smoothness and microhardness of the composite resin.

Bulk-fill restorations with resin composites are increasing in popularity, but sufficiency of curing in depth and in peripheral zones of large fillings is still questioned. Modern curing units, displaying more homogeneous light beam profiles, claim enhanced homogeneity of curing, also in large fillings.

Baicalein used as a preconditioner in an etch-and-rinse adhesive system has potential value in clinical bonding procedures because it can effectively improve resin-dentin bonding durability and reduce interface nanoleakage in vitro.

Polishing application force and the reuse of polishing burs on CAD/CAM zirconia should be considered in light of possible effects on surface topography.

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