Improving the wear performance of feldspathic veneering porcelain by ion-exchange strengthening

Meng, Meng; Xiao-cheng, LI; Guo, Jiawen; Zhou, Ming; Niu, Li Na; Tay, Franklin R.; Lin, He; Zhang, Shaofeng

doi:10.1016/j.jdent.2019.103210

Cited by 9 publications

(3 citation statements)

References 52 publications

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“…Porcelain's reinforced mechanical properties, such as hardness and fracture toughness, can be attributed to the residual compressive stress generated by an ion-exchange reaction and differential thermal expansion of silver nanoparticles. 27…”

Section: Restoration Treatmentmentioning

confidence: 99%

<p>The Antibacterial Mechanism of Silver Nanoparticles and Its Application in Dentistry</p>

Yin¹,

Zhang²,

Zhao³

et al. 2020

IJN

1,208

681

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Nanotechnology has recently emerged as a rapidly growing field with numerous biomedical science applications. At the same time, silver has been adopted as an antimicrobial material and disinfectant that is relatively free of adverse effects. Silver nanoparticles possess a broad spectrum of antibacterial, antifungal and antiviral properties. Silver nanoparticles have the ability to penetrate bacterial cell walls, changing the structure of cell membranes and even resulting in cell death. Their efficacy is due not only to their nanoscale size but also to their large ratio of surface area to volume. They can increase the permeability of cell membranes, produce reactive oxygen species, and interrupt replication of deoxyribonucleic acid by releasing silver ions. Researchers have studied silver nanoparticles as antimicrobial agents in dentistry. For instance, silver nanoparticles can be incorporated into acrylic resins for fabrication of removable dentures in prosthetic treatment, composite resin in restorative treatment, irrigating solution and obturation material in endodontic treatment, adhesive materials in orthodontic treatment, membrane for guided tissue regeneration in periodontal treatment, and titanium coating in dental implant treatment. Although not all authorities have acknowledged the safety of silver nanoparticles, no systemic toxicity of ingested silver nanoparticles has been reported. A broad concern is their potential hazard if they are released into the environment. However, the interaction of nanoparticles with toxic materials and organic compounds can either increase or reduce their toxicity. This paper provides an overview of the antibacterial use of silver nanoparticles in dentistry, highlighting their antibacterial mechanism, potential applications and safety in clinical treatment.

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Section: Restoration Treatmentmentioning

confidence: 99%

<p>The Antibacterial Mechanism of Silver Nanoparticles and Its Application in Dentistry</p>

Yin¹,

Zhang²,

Zhao³

et al. 2020

IJN

1,208

681

View full text Add to dashboard Cite

show abstract

“…Feldspathic porcelain is one of the most commonly used restorative materials in aesthetic dentistry [6,8,43]. As an all-ceramic material composed of aluminosilicates that may contain other metals such as calcium, potassium, and sodium [6], feldspathic porcelain presents excellent translucency and closely resembles natural enamel [44].…”

Section: Feldspathic Porcelainmentioning

confidence: 99%

Effects of Plasma Treatment on the Strength of Bonding to Ceramic Surfaces in Orthodontics—A Comprehensive Review

Gershater,

Griswold,

Talsania

et al. 2023

Bioengineering

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Over the past several decades, orthodontic treatment has been increasingly sought out by adults, many of whom have undergone restorative dental procedures that cover enamel. Because the characteristics of restorative materials differ from those of enamel, typical bonding techniques do not yield excellent restoration–bracket bonding strengths. Plasma treatment is an emerging surface treatment that could potentially improve bonding properties. The purpose of this paper is to evaluate currently available studies assessing the effect of plasma treatment on the shear bond strength (SBS) and failure mode of resin cement/composite on the surface of ceramic materials. PubMed and Google Scholar databases were searched for relevant studies, which were categorized by restorative material and plasma treatment types that were evaluated. It was determined that cold atmospheric plasma (CAP) treatment using helium and H2O gas was effective at raising the SBS of feldspathic porcelain to a bonding agent, while CAP treatment using helium gas might also be a potential treatment method for zirconia and other types of ceramics. More importantly, CAP treatment using helium has the potential for being carried out chairside due to its non-toxicity, low temperature, and short treatment time. However, because all the studies were conducted in vitro and not tested in an orthodontic setting, further research must be conducted to ascertain the effectiveness of specific plasma treatments in comparison to current orthodontic bonding treatments in vivo.

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“…To evaluate the mechanical properties of the newly formed layer, abrasion testing was carried out by mimicking the oral chewing process in an abrasion tester. [66] Then, nanoindentation, nano-scratch test, combined with pH cycling tests for 14 d (demineralization solution (6 h): 50 mm acetic acid, 2.2 mm CaCl 2 , and 2.2 mm KH 2 PO 4 , and the solution was adjusted to pH 5 with KOH; remineralization solution (18 h): 1.5 mm CaCl 2 , 0.9 mm KH 2 PO 4 , 130 mm KCl, and 50 mm HEPES buffer and the solution was adjusted to pH 7 with KOH) were used to analyze the stability and integrity of the newly formed remineralization layer. [67] Biocompatibility Test: Fourth-generation HGFs were used to determine the biocompatibility of both lyso-PEG itself and the newly formed lyso-PEG-induced remineralized layer.…”

Section: Mechanical Properties Of Remineralized Tooth Enamelmentioning

confidence: 99%

Amyloid‐Mediated Remineralization in Pit and Fissure for Caries Preventive Therapy

Yang

Guo

et al. 2022

Adv Healthcare Materials

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The pits and fissures of teeth have high caries susceptibility, and sealing these areas is considered as an effective method to prevent caries. However, long-term caries prophylaxis cannot be maintained because of the negative effects derived from the technical sensitivity and disadvantages of sealing materials. Herein, a new strategy is proposed to occlude fossae by amyloid-mediated biomimetic remineralization. In contrast to conventional inward blocking from the outside of fossae, amyloid-mediated biomimetic mineralization delivers an amyloid-like protein nanofilm into the deepest zone of the fossae and induces the formation of remineralized enamel inside. Such assembly from lysozyme conjugated with poly (ethylene glycol) enriches the interface with strongly bonded ionsand directs in situ nucleation to achieve enamel epitaxial growth. Not only is the structure of the enamel-like crystalline hydroxyapatite layer but also its mechanical stability is similar to that of natural enamel. Furthermore, the layer shows good biocompatibility and antibacterial properties. On the basis of the findings, it is demonstrated that amyloid-like protein aggregation may provide an enamel remineralization strategy to modify the current clinically available methods of pit and fissure sealing and shows great promise in preventing caries.

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Improving the wear performance of feldspathic veneering porcelain by ion-exchange strengthening

Cited by 9 publications

References 52 publications

<p>The Antibacterial Mechanism of Silver Nanoparticles and Its Application in Dentistry</p>

<p>The Antibacterial Mechanism of Silver Nanoparticles and Its Application in Dentistry</p>

Effects of Plasma Treatment on the Strength of Bonding to Ceramic Surfaces in Orthodontics—A Comprehensive Review

Amyloid‐Mediated Remineralization in Pit and Fissure for Caries Preventive Therapy

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