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Although enamel microabrasion improves the appearance of teeth with brown stains or white opaque areas, the combination of enamel microabrasion and in-office bleaching results in better esthetics.

A clinician should customize the choice of a composite material to the location and preparation of the cavity. When surface hardness and flexural strength are required, the results of this study indicate that Aelite LS had superior properties compared with the other materials. When polymerization shrinkage is of more importance, Filtek LS had significantly lower volumetric shrinkage.

Self-adhering systems demonstrated better bonding to root dentin than self-etch systems. A modified-layering technique with high-intensity light-curing units can be recommended when restoring weakened roots with light-curable adhesive materials.

In vitro research remains of primary importance to selecting and validating the techniques and products to be used in vivo. However, the clinical predictive value of such tests needs to be appraised and ranked to provide meaningful help toward the clinical decision-making process.

In vitro research remains of primary importance to selecting and validating the techniques and products to be used in vivo. However, the clinical predictive value of such tests needs to be appraised and ranked to provide meaningful help toward the clinical decision-making process.

CLINICAL TECHNIQUE / CASE REPORT

This report is about veneers for functional and esthetic rehabilitation of the patient.

CLINICAL RESEARCH

Increases in the concentration of bleaching agents directly affect tooth sensitivity, and LED/laser activation and tooth thickness are not correlated with tooth sensitivity after dental bleaching.

This two-year clinical trial evaluated three adhesive systems to restore noncarious cervical lesions with composite resin restorations. No significant differences were observed between restorations bonded with a one-bottle total-etch, a one-bottle self-etch, or a two-bottle self-etch adhesive.

A reliable means of combining the results from a number of clinical studies on longevity of restorations could be helpful to clinicians when they are planning treatment.

Repair rather than replacement of defective restorations increases the longevity of existing restorations while avoiding the needless removal of the restoration in total.

LABORATORY RESEARCH

The effects of oral fluids on the bond strength of bonding systems to enamel/dentin must be considered during clinical application of these materials.

Bonding composite resin with dual-cured adhesive systems can promote increased bond durability to direct coronal dentin restorations.

Both nanofilled and nanohybrid dental restoratives appear to have relatively smooth surfaces when finished with tungsten carbide finishing instruments, and such instruments may be used as the final instruments when completing composite restorations.

Sometimes it can be more efficient to impart greater viscosity to resin-modified glass ionomer restorative material for condensability during placement.

Eugenol-based sealers significantly reduced the bond strength of prefabricated fiber posts luted with resin cement.

Prolonged light-curing procedures improve the bond strength of simplified self-etch adhesives, in particular when bonded to deep dentin in the presence of physiological pulpal pressure.

RelyX U100 (commercially available outside Brazil as RelyX Unicem) was shown not to be affected by the operator's experience and therefore seems to be more suitable for use by less experienced clinicians.

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