Home > Press > Diamonds -- a tooth's best friend?
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| A new root canal filler containing nanodiamonds could help prevent re-infections.
Credit: American Chemical Society |
Abstract:
Gold, silver and porcelain are among the many materials dentists can use to fix damaged teeth. Soon diamonds -- at least tiny, microscopic ones -- could be added to that list. Scientists have developed a new material with nanodiamonds that has the potential to improve current root canal therapies and help prevent future infection. Their report appears in the journal ACS Nano.
Diamonds -- a tooth's best friend?
Washington, DC | Posted on October 22nd, 2015Millions of Americans undergo root canals every year to clear out damaged or infected pulp, the soft part in the middle of a tooth. Dentists' current go-to material to fill the space left behind is a rubber compound called gutta-percha. In some cases, however, a patient's tooth can get re-infected, which calls for another treatment. To prevent this from happening, researchers have been exploring other fillers, including nanodiamonds, which are robust and can be modified with antimicrobial drug compounds. So Dean Ho and colleagues decided to develop a potential root canal therapy based on them.
The team combined nanodiamonds, gutta-percha and amoxicillin, a broad-spectrum antibiotic, into a new material. Lab testing showed it was stronger than gutta-percha by itself and was effective at killing Staphylococcus aureus, which is one of the bacteria responsible for root canal re-infections. The scientists say future studies will check whether the composite works in clinical practice.
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The authors acknowledge funding from the National Science Foundation, the Center for Scalable and Integrated NanoManufacturing, the V Foundation for Cancer Research, the Wallace H. Coulter Foundation, the National Cancer Institute, the Society for the Laboratory Automation and Screening and Beckman Coulter Life Sciences. Five of the authors hold provisional patents that pertain to nanodiamond-based biomaterials.
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About American Chemical Society
The American Chemical Society is a nonprofit organization chartered by the U.S. Congress. With more than 158,000 members, ACS is the world's largest scientific society and a global leader in providing access to chemistry-related research through its multiple databases, peer-reviewed journals and scientific conferences. Its main offices are in Washington, D.C., and Columbus, Ohio.
For more information, please click here
Contacts:
Michael Bernstein
202-872-6042
Dean Ho, Ph.D.
Division of Oral Biology and Medicine
UCLA School of Dentistry
Los Angeles, CA 90095
Phone: 310-825-7242
or
Copyright © American Chemical Society
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