(Phys.org) —Newcastle University scientists have revealed the mechanism that causes a slime to form, making bacteria hard to shift and resistant to antibiotics.

Chemistry - Biochemistry

Apr 12, 2013 5 / 5 (2) 0 |

DNA preserved in calcified bacteria on the teeth of ancient human skeletons has shed light on the health consequences of the evolving diet and behaviour from the Stone Age to the modern day.

Other Sciences - Archaeology & Fossils

Feb 17, 2013 5 / 5 (3) 0 |

DNA testing, environmental sampling and radiocarbon dating are some of the tests being undertaken to determine whether the skeleton found in Leicester was once Richard III - and there are also plans to do a facial reconstruction.

Other Sciences - Archaeology & Fossils

Nov 15, 2012 5 / 5 (3) 4

There are various types of toothpaste available on the market. They come as pastes and gels, there are some that guard against tooth decay or protect teeth from acid attack, others that are designed for sensitive ...

Chemistry - Other

Oct 01, 2012 not rated yet 0

Many ancient human teeth, including specimens tens of thousands of years old, still hold onto tiny pieces of food -- and even bacteria. Anthropologists are studying the tartar attached to ancient human teeth ...

Other Sciences - Archaeology & Fossils

May 31, 2012 4 / 5 (2) 0 |

Doctors can now get a peek behind the eardrum to better diagnose and treat chronic ear infections, thanks to a new medical imaging device invented by University of Illinois researchers. The device could usher ...

Technology - Engineering

May 29, 2012 5 / 5 (1) 2 |

While we may brush and floss tirelessly and our dentists may regularly scrape and pick at our teeth to minimize the formation of plaque known as tartar or dental calculus, anthropologists may be rejoicing ...

Other Sciences - Archaeology & Fossils

May 02, 2012 5 / 5 (5) 0 |

Stripping some mouth bacteria of their access key to gangs of other pathogenic oral bacteria could help prevent gum disease and tooth loss. The study, published in the journal Microbiology suggests that t ...

Biology - Cell & Microbiology

Feb 08, 2012 5 / 5 (1) 0

Two UC San Diego chemists have discovered the most naturally variable protein known to date in a bacterium that is a key player in the formation of dental plaque.

Chemistry - Biochemistry

Aug 22, 2011 5 / 5 (2) 0 |

Postmenopausal women have a new health message to hear. Two annual dental checkups aren't enough. Older women need more, according to research findings from the Case Western Reserve University School of Dental Medicine ...

Medicine & Health - Health

Mar 10, 2011 not rated yet 0

Like people in cities, microbes often live in complex communities that contain many different microbial types. Also like us, microbes tend to gravitate to and "hang out" with certain other types in their community, ...

Biology - Cell & Microbiology

Feb 14, 2011 not rated yet 0 |

The human mouth is home to an estimated 800 to 1,000 different kinds of bacteria. The warm and moist environment, along with hard tooth surfaces and soft tissues, prove to be optimal factors in boosting germ growth. Many ...

Medicine & Health - Health

Apr 13, 2010 3.8 / 5 (6) 0

Elevated dental plaque acid is a risk factor that contributes to cavities in children. But eating bran flakes with raisins containing no added sugar does not promote more acid in dental plaque than bran flakes alone, according ...

Medicine & Health - Health

Dec 18, 2009 5 / 5 (1) 0

Will neglecting to brush your teeth damage more than just your smile? Can failing to attack dental plaque increase your risk of heart damage?

Medicine & Health - Medical research

Sep 25, 2009 3.8 / 5 (4) 0

Several studies have suggested there is a connection between organisms that cause gum disease, known scientifically as periodontal disease, and the development of heart disease, but few studies have tested this theory.

Medicine & Health - Medical research

Apr 01, 2009 4.2 / 5 (6) 0