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Issues

ONLINE ONLY ARTICLES

The novel antibacterial nanoparticulate metal-titanate complexes under investigation will allow clinicians to tackle the composite longevity problem at its weakest interface.

The exposure of dentin to cigarette smoke influences adhesive bonding strength. However, cigarette smoke does not influence the bond strength to enamel.

Regardless of the cementing strategy, the durability of bonding to root canal dentin may be influenced by the dentin treatment protocol.

Bonding to dentin under replaced amalgam restorations may be as effective as bonding to freshly cut dentin.

Mechanical properties and wear resistance are important parameters for the selection of a resin luting cement. For wear resistance, the self-adhesive resin cements generally show significantly lower values than the conventional resin cements.

In Memoriam

CLINICAL TECHNIQUE/CASE REPORT

Amelogenesis imperfecta is a hereditary disease affecting the quality and quantity of enamel. Patients usually suffer from oral complications and poor dental esthetics, which directly affect their quality of life. Function and esthetics can be restored with different restorative materials, such as ceramic and composite resin. Dentists need to be aware of the best material to use for each patient.

Esthetic resin composite anterior restorations using the so-called multilayer technique may be accomplished when a detailed selection of the shade and an accurate reproduction of the tooth morphology are available.

CLINICAL RESEARCH

Selective enamel etching in combination with self-etching adhesives does not affect the overall clinical performance of composite restorations.

For the tested etch-and-rinse and self-etch adhesives, 2%chlorhexidine application can counteract time-dependent decline in adhesive bonds to dentin, and increase the bonding effectiveness over time.

The application of cavity lining material did not affect clinical performance, particularly marginal adaptation rate, over an 18-month period.

LABORATORY RESEARCH

A 10-methacryloxydecyl dihydrogen phosphate monomer–based universal adhesive primer is a viable alternative to air-abrasion surface conditioning when bonding zirconia to dentin.

Hydrofluoric acid etching promotes a high and stable resin bond to new zirconia-reinforced lithium silicate ceramic. Thus, the intaglio surface of the restorations made with this material should be etched and silanized.

The application of a 35%-H2O2 bleaching gel to a dental surface containing a hydrolytically degraded resin-modified glass ionomer cement restoration results in more intense diffusion of H2O2 into the pulp chamber, which increases pulp cell cytotoxicity.

The bond strength of a universal adhesive to dentin or etched enamel can be similar to that of conventional restorative systems in the long term; however, the bonding efficacy of both bonding techniques may decrease with aging, leading to leakage formation at the adhesive/dentin interface.

Bleaching initial enamel caries lesions with 10% carbamide peroxide can camouflage white spot lesions without affecting the chemical and mechanical properties of the enamel. Application of casein phosphopeptide–amorphous calcium phosphate is a possible supportive treatment to promote remineralization of caries lesions.

Loss of cement at the margins of restorations can initiate a variety of clinical issues that may ultimately result in restoration loss and replacement.

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