Industry News

Dental Groups Pledge Funds to Manchester Bombing Victims

Dental Groups Pledge Funds to Manchester Bombing Victims

26 May 2017

As dentists from across the United Kingdom attend the British Dental Conference and Exhibition, May...

eBooks

April 2017

Composite Vs. Porcelain’s:
What You Need To Know

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March 2017

Digital Marketing for Dentists

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February 2017

Traumatic Dental Injuries: Emergency Assessment And Treatment

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January 2017

Buffered Anesthesia: Efficiency & Profitability

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Recent Issues

May 2017

Solving Aesthetic Challenges From Trauma-Based Injuries




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April 2017

New Trends in Endodontics and Treatment Planning




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The Toothbrush, Dental Floss Effect Of Streptococcus Enzyme

Investigators from Japan show in vitro that the bacterium Streptococcus salivarius, a non-biofilm forming, and otherwise harmless inhabitant of the human mouth, actually inhibits the formation of dental biofilms, otherwise known as plaque. Two enzymes this bacteria produces are responsible for this inhibition. The research is published in the March 2011 issue of the journal Applied and Environmental Microbiology.

“FruA may be useful for prevention of dental caries,” corresponding author Hidenobu Senpuku, of the National Institute of Infectious Diseases, Tokyo said of one of the enzymes.

“The activity of the inhibitors was elevated in the presence of sucrose, and the inhibitory effects were dependent on the sucrose concentration in the biofilm formation assay medium,” the researchers write.

“We show that FruA produced by S. salivarius inhibited S. mutans biofilm formation completely in the in vitro assay supplemented with sucrose,” the researchers write.

S. salivarius is the primary species of bacteria inhabiting the mouth, according to the report.

The authors suggest that FruA may actually regulate microbial pathogenicity in the oral cavity. They found that a commercial FruA, produced by Aspergillus niger, was as effective as S. salivarius FruA at inhibiting S. mutans biofilm formation, despite the fact that its amino acid composition is somewhat different from that of S. salivarius.

FruA is produced not only by S. salivarius, but by other oral streptococci. Much of the oral microbial flora consists of many beneficial species of bacteria that help maintain oral health and control the progression of oral disease.

The Wednesday Watch

Exclusive Interview: Dr. Thomas McClammy

Exclusive Interview: Dr. Thomas McClammy

24 May 2017

Dr. Tom McClammy speaks to us fresh from the stage after his GentleWave presentation at...

Technique of the Week

e-Prescribing with XLDent

e-Prescribing with XLDent

29 March 2017

Drs. David Andersen and Lora Nelson explain how easy e-Prescribing...

Technology Today

Show Me the Way

Show Me the Way

02 May 2017

This year’s International Dental Show did not disappoint: 155,000 participants from 157 countries attended,...

Implants Today

Narrow-Body  Dental Implants

Narrow-Body Dental Implants

02 May 2017

As the multibillion-dollar market for dental implants grows, many new companies are entering the...

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