Dental restorative materials containing quaternary ammonium compounds have sustained antibacterial action

Dental restorative materials containing quaternary ammonium compounds have sustained antibacterial action

Dental restorative materials that contain QASi have sustained antibacterial properties, have mechanical properties comparable to those of presently marketed materials, and have been cleared by the US Food and Drug Administration. Clinical studies have shown that composites incorporating QASi have the potential to markedly reduce the occurrence of caries around restorations. Because caries around restorations is a major problem, restorative materials with sustained antibacterial properties will have an important effect in reducing secondary caries around restorations.

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How to Manage Patients With High Caries Risk Using Nonsurgical Treatment and Bacteria-Repelling Composite

How to Manage Patients With High Caries Risk Using Nonsurgical Treatment and Bacteria-Repelling Composite

A new approach for addressing recurrent caries is the use of antibacterial restorative materials incorporating quaternary ammonium compounds (QACs). QACs are positively charged molecules that are attracted to the negatively charged cell walls of bacteria. A long chain of the QAC can bind to and penetrate the bacterial cell wall and cause leakage of its cytoplasmic contents. Therefore, the mechanism of action of QAC-containing materials is a “contact kill.” QAC molecules have been incorporated into silica filler particles, known as QA silica (QASi) particles. Currently, the only commercially available resin composite containing these QASi particles is Infinix (Nobio Ltd).

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A Game-Changing Group of Restorative Materials

A Game-Changing Group of Restorative Materials

The use of composites in everyday dentistry is very popular due to their numerous advantages. In combination with adhesive-based technology, it allows one to remove less tooth structure and offer minimally invasive care as well as undetectable restorations that blend into the surrounding tooth structure. Resin composites are certainly popular, but when compared with other materials, their longevity leaves something to be desired. Most experts agree that composite restorations last from 5 to 7 years, often with failure resulting from marginal breakdown and the penetration of bacteria leading to demineralization.

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Dentistry Today: Your First Defense in Restorative Preservation

Dentistry Today: Your First Defense in Restorative Preservation

Drs Yuval Wind and Gregori Kurtzman describe the synergy between the infinix bonding agent, with its own FDA-cleared antimicrobial claim, and infinix composites, which have been shown in human studies to reduce demineralization of tooth structure, a critical part of the caries process, by up to 68%. Further, the article addresses aspects the filler / chemistry and abbreviated clinical steps. 

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Nobio Hosts Opinion Leader Breakfast at Greater New York Dental Meeting

Nobio Hosts Opinion Leader Breakfast at Greater New York Dental Meeting

Amid the noise and haste of the mid-town Manhattan holiday season, a group of leading clinicians and academicians met for an exclusive, invitation-only, session during the Greater New York meeting. Sponsored by Nobio, the event featured a strategic company update by Ronen Raz, Nobio CEO, followed by an impactive technical briefing by Professor John Featherstone, Dean Emeritus of UCSF School of Dentistry.

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The Tech Giants: Companies Who are Serving the Dental Community with Their Innovation

The Tech Giants: Companies Who are Serving the Dental Community with Their Innovation

Nobio’s Infinix™ Flowable Composite and Bulk Fill Flow Composite dental composite restoratives fill the cavities with material designed to match the patient’s natural tooth shade and strength. These FDA- cleared products incorporate Nobio’s patented QASi particle technology that supports restoration integrity and protects against degradation by bacteria over time.

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I have it—you want it! Infinix suite of materials

The power of healing and the power of prevention are two concepts that are meaningful to any dental practitioner. Nobio Limited from Israel has introduced a suite of FDA-cleared materials that incorporate antibacterial technology that prevents demineralization at the tooth-restorative interface. Maintaining marginal integrity greatly reduces the chance of secondary decay.

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How to Reduce Demineralization and Secondary Caries

How to Reduce Demineralization and Secondary Caries

Oral biofilm is found in the periodontal sulcus, which is a difficult area for patients to maintain with home care. Even for patients without visible oral biofilm, the bacteria within the sulcus and interproximally between the papilla and tooth produce acids as they break down the carbohydrates in the food. Recurrent caries and demineralization around teeth that have had a direct restoration relate to the abundant, intraoral bacteria.

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New Twists in Restorative Materials

New Twists in Restorative Materials

Recent years have witnessed exciting developments in dental restorative technologies, especially in the realms of composites and bioactive materials designed to streamline procedures and improve outcomes. Besides bioactive restoratives and cements formulated to prevent demineralization, promote remineralization, and stimulate dentin formation when used as a liner or pulp-capping agent, clinicians can now choose composites and bonding agents featuring caries-fighting antimicrobial properties. And then there’s the debut of single-shade composite systems which simplify restorative care and inventory needs, while also saving valuable chairtime.

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This Restorative Material Is Built to Guard Against Bacteria

This Restorative Material Is Built to Guard Against Bacteria

In early February 2022, Gregori Kurtzman, DDS, began to use Nobio Infinix™ for his restorative dentistry. Infinix is an antimicrobial composite and is the first of its kind to fight bacteria continuously while acting as a restorative material. Dr Kurtzman sees Infinix as a great boon for his practice in the Washington Metro Area in Maryland.

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Dental Products Report - Top 5 Game Changers of 2021

Plain and simple, the first anticaries 510K ever!

The composite has integrated into it non-toxic proprietary antimicrobial nanoparticles that once placed creates an anticaries interface that will eliminate secondary caries. Say again? Game changer yes! The future will see it incorporated into varnish, aligners, retainers, ortho cement, implants, root canal sealers, and more. Dr. Lou Shuman, “Top 5 Game Changers of 2021, ”Dental Products Report, Dec 2, 2021.

(Antimicrobial composite)