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Dental procedures during pandemic are no riskier than a drink of water

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COLUMBUS, Ohio - A new study s findings dispel the misconception that patients and providers are at high risk of catching COVID-19 at the dentist s office.
SARS-CoV-2 spreads mainly through respiratory droplets, and dental procedures are known to produce an abundance of aerosols - leading to fears that flying saliva during a cleaning or a restorative procedure could make the dentist s chair a high-transmission location.
Ohio State University researchers set out to determine whether saliva is the main source of the spray, collecting samples from personnel, equipment and other surfaces reached by aerosols during a range of dental procedures.
By analyzing the genetic makeup of the organisms detected in those samples, the researchers determined that watery solution from irrigation tools, not saliva, was the main source of any bacteria or viruses present in the spatter and spurts from patients mouths. ....

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Gum disease-causing bacteria borrow from neighbors to thrive, UB study finds - UB Now: News and views for UB faculty and staff

Patricia Diaz, Empire Innovation Professor
School of Dental Medicine
The human body is filled with friendly bacteria. However, some of these microorganisms, such as Veillonella parvula, may be too nice.
These peaceful bacteria engage in a one-sided relationship with pathogen Porphyromonas gingivalis, helping the germ multiply and cause gum disease, according to a new UB-led study.
The research sought to understand how P. gingivalis colonizes the mouth. The pathogen is unable to produce its own growth molecules until it achieves a large population in the oral microbiome the community of microorganisms that live on and inside the body.
The answer: It borrows growth molecules from V. parvula, a common yet harmless bacteria in the mouth whose growth is not population dependent. ....

Loreto Abusleme , Bo Young Hong , Niki Moutsopoulos , Shui Wang , George Hajishengallis , Thomasw Evans , Archana Meethil , Patricia Diaz , Anilei Hoare , Centers For Disease , University Of Chile , University Of Pennsylvania School Dental Medicine , School Of Dental Medicine , Ub Microbiome Center , University Of Connecticut , University Of Pennsylvania , University Of Leeds , Craniofacial Research , Jackson Laboratory For Genomic Medicine , Disease Control , Empire Innovation , Centennial Professor , Pennsylvania School , Jackson Laboratory , Genomic Medicine , National Institute ,

Microbiome study: Gum disease-causing bacteria borrow growth molecules from neighbors to thrive

Microbiome study: Gum disease-causing bacteria borrow growth molecules from neighbors to thrive
Patricia Diaz, DDS, PhD, Professor of Empire Innovation in the UB School of Dental Medicine and director of the UB Microbiome Center.
“Successfully targeting the accessory pathogen V. parvula should prevent P. gingivalis from expanding within the oral microbial community to pathogenic levels. ”
Patricia Diaz, DDS, PhD, Professor of Empire Innovation and director, UB Microbiome Center
School of Dental Medicine
BUFFALO, N.Y. – The human body is filled with friendly bacteria. However, some of these microorganisms, such as Veillonella parvula, may be too nice. These peaceful bacteria engage in a one-sided relationship with pathogen Porphyromonas gingivalis, helping the germ multiply and cause gum disease, according to a new University at Buffalo-led study. ....

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