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Ten-years degradation of resin-dentin bonds.

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The purpose of this study was to evaluate the durability of resin-dentin bonds in 10-yr water-storage testing. Resin-dentin bonded bulk specimens were prepared using six commercially available resin adhesives. The resin-dentin bonded specimens were stored in water for 24 h (control group) or for 10

Biodegradation of all-in-one self-etch adhesive systems at the resin-dentin interface.

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This study evaluated the effects of two exogenous enzymes on the resin-dentin interface. Collagenase (Col) and acetylcholinesterase (Ach) were used to simulate salivary enzymes and accelerate the aging process of the bonding interfaces. Four adhesives, Adper Single Bond 2 (SB), Clearfil SE Bond

Use of electrochemical impedance spectroscopy to evaluate resin-dentin bonds.

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Electrochemical impedance spectroscopy (EIS) offers a potentially nondestructive quantitative method for measuring the stability of resin films and or resin-bonded dentin over time. The purpose of this study was to measure the electrical impedance of five experimental dental adhesives of increasing

Improving the durability of resin-dentin bonds with an antibacterial monomer MDPB.

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The 12-methacryloxydodecylpyridium bromide (MDPB) has been reported to act as a matrix metalloprotease (MMP) inhibitor. In this study, the effects of application of MDPB on resin-dentin bonds were evaluated. The resin-dentin bonded specimens were prepared with a commercial MDPB-containing

Technique sensitivity in bonding to vital, acid-etched dentin.

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Just as vital dentin is moist after removing the smear layer, avoiding collapse of the collagen matrix after acid-etching requires in vivo validation. This study hypothesizes that there is no difference between moist bonding performed in vitro or in vivo, and that excessive drying or wetting of

Voids formation along the bonding interface between a smeared dentin surface and all-in-one adhesives.

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It has been reported that the adhesive resin layer of all-in-one adhesives is permeable and allows the formation of a water channel or water tree. The effects of a smear layer on the ultra-structure of bonding interface created with three all-in-one adhesives and a resin composite were evaluated in

Effect of dentin conditioning time on nanoleakage.

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OBJECTIVE To study the nanoleakage pattern in the dentin hybrid layer by using different dentin adhesives. The null hypotheses tested in this study were: 1) dentin conditioning time does not affect nanoleakage within the hybrid layer; 2) the type of dentin adhesive used does not affect

Microtensile bond strengths and interfacial examination of a polyalkenoate-based 1-step adhesive.

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OBJECTIVE To study the effect of acid etching and the application of a hydrophobic bonding resin on the microtensile bond strengths (microTBS) and marginal sealing of the 1-step self-etch adhesive Adper Easy Bond (AEB). METHODS Middle dentin was exposed in 30 extracted molars and randomly divided

Aging affects two modes of nanoleakage expression in bonded dentin.

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Water sorption into resin-dentin interfaces precedes hydrolytic degradation. We hypothesized that these processes are morphologically manifested by the uptake of ammoniacal silver nitrate, which is thought to trace hydrophilic domains and water-filled channels within matrices. Water sorption is

Incorporating variability in honey bee waggle dance decoding improves the mapping of communicated resource locations.

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Honey bees communicate to nestmates locations of resources, including food, water, tree resin and nest sites, by making waggle dances. Dances are composed of repeated waggle runs, which encode the distance and direction vector from the hive or swarm to the resource. Distance is encoded in the

Effect of Scrubbing Technique with Mild Self-etching Adhesives on Dentin Bond Strengths and Nanoleakage Expression.

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OBJECTIVE To evaluate the effect of a scrubbing technique with one-step self-etching adhesives on bond strengths and nanoleakage expression at the resin/dentin interface. METHODS Flat human dentin surfaces bonded with one of two mild self-etching adhesives, SE One (SE) or Scotchbond Universal (SU)

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Herbal & Natural Medicine

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