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The composite hardness was not affected by different pretreatment temperatures, whereas the shrinkage was not affected by the temperatures only when the composite was cured with an LED-curing unit.

Use of Er,Cr:YSGG (erbium, chromium: yttrium-scandium-gallium-garnet) laser does not improve the shear bond strength of the repaired resin; however, air abrasion with 50-μm aluminum oxide particles results in higher shear repair bond strength, and therefore is recommended prior to repair. Application of a silane coupling agent does not improve the shear bond strength of the repaired resin.

Crown-root fractures of molars with extensive loss of tooth structure extending well below the alveolar crest can be successfully treated with a conservative method.

Composite translucency varies by manufacturer. This information should be considered when selecting materials and clinical techniques to improve clinical performance.

This study emphasizes the need for attention after root canal obturation. The prevention of tooth staining post-operatively is still a clinical issue that affects patients and dentists. Clinicians must be able to recognize the etiology of local intrinsic staining and even in cases of sealer-induced discoloration must be able diagnose the type of sealer that was used. The prevention of crown discoloration in endodontically-treated teeth is currently taught in all accredited graduate and post-graduate programs.


This article presents management of a patient with amelogenesis imperfecta through an adhesive and progressive treatment.

The presented clinical technique using fiber-reinforced composite as a resin-coating layer was developed for adhesive endocrown restorations. This may reduce the risk of catastrophic fractures and thus improve the success rate of this type of restoration on nonvital teeth.


This 18-month clinical evaluation showed that the use of a hydrophobic resin coat over a one-step self-etch adhesive does not improve clinical performance in noncarious cervical lesions.

Clinical studies evaluating the clinical performance of one-step self-etching adhesives are scarce. In this study, one-step self-etching adhesives showed good clinical performance at the end of 24 months compared with a two-step etch-and-rinse adhesive.


The bonding efficacy of current dentin adhesives is not affected by the dentin substrate age. Chemical bonding may play a role in the bonding effectiveness of specific adhesives.

The application of 0.05% chlorhexidine digluconate after polyalkenoic acid conditioning (Cavity Conditioner®) of dentin and prior to application of resin-modified glass ionomer cement (Fuji II LC®) should be avoided.

Using a recently introduced silorane-based composite resin, Filtek Silorane, and the placement of resin modified glass ionomer cement liner under the composite resin restorations resulted in reduced cuspal deflection.

The marginal seal of composite restorations placed in cavities prepared using an Er,Cr:YSGG laser is not satisfactory as a result of the presence of irregularities on the edge of the cavities and the difficulties associated with leaving a substrate free of caries.

Most of the tested flowable composite materials fulfill the minimal required radiopacity conditions, with slight deviations at different exposure values.

Based on the dimensional accuracy measured in vitro, the optical bite registration was shown to be more effective in single posterior restorations in comparison with the conventional physical method using silicone material.

Ten percent carbamide peroxide bleaching agents may minimally reduce the microhardness of microhybrid type of resin-based composite materials compared with a significant microhardness reduction of three other types: nanofilled, silorane-based low shrink, and hybrid.

The thermal variation at the pulpal floor of dental cavities during photopolymerization is associated with the measured irradiance level of LED curing units.

Actual bleaching agent concentration needs to be what is indicated on the label. This study evaluates the differences in label vs. actual concentration of bleaching agents in dentist dispensed and over the counter products in four countries.



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