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Greg D. Larson, DDS

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San Francisco Cosmetic Dentist Discusses New and Enhanced Fillings

San Francisco cosmetic dentist discusses exciting new filling technology that can kill bacteria and rebuild teeth.

San Francisco, CA, July 04, 2012 --( New fillings may curb tooth decay and restore damaged teeth. According to dentists, that technology is in progress.

Scientists at the University of Maryland School of Dentistry are inventing nanotechnology that reconstructs the tooth's structure.

San Francisco cosmetic dentist Dr. Greg Larson is curious how this technology will progress. These developments could aid cavity patients in controlling damage and repairing key tooth minerals.

Studies at the dentistry school have shown that it is impossible to remove all the damaged tissue during the filling process. Minimal amounts of bacteria are left behind. The nanocomposites created counteract the bacteria's damage, effectively curbing harmful bacteria.

The research team inserted antibacterial agents in primers and adhesives. After a dentist prepares a tooth for a filling, they use primers. A dentist then coats the cavity with adhesives to ensure the filling is securely in place. These new antibacterial primers and adhesives will eliminate residual bacteria.

"The reason we hope to insert the antibacterial agents into primers and adhesives is that these are the first pieces that cover the internal cavity and flow into tiny dental tubules inside the tooth," reports the research team.

The new filling composites consist of nanoparticles of calcium phosphate, which returns key minerals to teeth. The fillings also contain high pH levels to keep bacteria from producing acids.

The new fillings were created to last longer than 10 years, though more research is needed to dictate exactly how much longer.

The next step is testing the product on animal and human teeth, says Larson, the Oakland dentist. The research team plans to work with the Federal University of Ceara in Brazil. Human teeth research will be from volunteers trying the fillings. Researchers interested in the continued development should contact the Office of Technology Transfer at UM. OTT licensing officer Nancy Cowger says patents are pending for the primer and adhesive components and the nanocomposite.

Larson, a neuromuscular dentist, will watch the unfolding research, as it could help patients maintain superb oral health along with their dental care. Larson also practices cosmetic, general and implant dentistry, and he offers teeth whitening services.

Learn More
To learn more about Walnut Creek and Oakland teeth whitening or invisalign in San Francisco, visit or contact their office at 415-397-2804.

About Us
The Larson Dentistry team offers extensive dental care for San Francisco patients. Dr. Greg Larson stays current in his field by attending more than 200 hours of continuing education each year and mentoring other dentists worldwide.
Contact Information
Greg D. Larson, DDS
Greg D. Larson
415 397 2804

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