News tagged with teeth
(Medical Xpress) -- Researchers from Japan recently published a paper in PLoS One describing their successful growth and transplantation of new teeth created from the stem cells of mice.
Medical research Jul 13, 2011 | 4.9 / 5 (23) | 8 |
Scientists in Japan have created a microscopically thin film that can coat individual teeth to prevent decay or to make them appear whiter, the chief researcher said.
Dentistry Sep 16, 2012 | 4.6 / 5 (45) | 15
Are you wrecking your teeth without even knowing it? For instance, chewing on ice or opening stuff with your teeth may be convenient but using your teeth as tools can cause them to crack or chip.
Dentistry May 03, 2013 | 3 / 5 (1) | 1
(Medical Xpress) -- Two groups working independently have found that patients who suffer from nighttime teeth grinding, a condition known as nocturnal bruxism, found relief after being injected in their temple ...
Medications May 01, 2012 | 4.5 / 5 (6) | 0 |
(Medical Xpress)—Scientists of the Max Planck Institute for Evolutionary Anthropology in Leipzig and the Senckenberg Research Institute in Frankfurt together with dental technicians have digitally analysed ...
Dentistry Apr 25, 2013 | 5 / 5 (2) | 1 |
Scientists have developed a new method of replacing missing teeth with a bioengineered material generated from a person's own gum cells. Current implant-based methods of whole tooth replacement fail to reproduce a natural ...
Dentistry Mar 09, 2013 | 5 / 5 (1) | 0 |
New research published in the January/February 2013 issue of General Dentistry, the peer-reviewed clinical journal of the Academy of General Dentistry (AGD), indicates that the use of a germ-killing mouthrinse in addition to reg ...
Dentistry Feb 19, 2013 | 5 / 5 (2) | 0 |
(HealthDay)—Every baby has a beautiful smile, and to keep it that way, parents should teach good dental habits at an early age, experts say.
Dentistry Feb 10, 2013 | 5 / 5 (1) | 0
Researchers from Tufts University School of Dental Medicine have discovered a statistical association between the injection of local dental anesthesia given to children ages two to six and evidence of missing lower wisdom ...
Dentistry Apr 03, 2013 | 4 / 5 (1) | 0 |
Look at the teeth on the lab specimen here. Is this the work of a mad scientist?
Medical research Jan 11, 2012 | 4 / 5 (1) | 0
Do you really want to avoid cavities in your teeth? Try massaging them with a high-fluoride toothpaste after lunch.
Dentistry Mar 26, 2012 | not rated yet | 1
A recent study published in the May/June 2012 issue of General Dentistry, the peer-reviewed clinical journal of the Academy of General Dentistry, found that an alarming increase in the consumption of sports and energy drinks ...
Health May 01, 2012 | 5 / 5 (1) | 0 |
Little evidence exists to support removing impacted wisdom teeth that are not causing pain and swelling, arent negatively affecting other teeth, and are disease-free, finds a new review in The Cochrane Li ...
Dentistry Jun 15, 2012 | 3 / 5 (2) | 0 |
(Medical Xpress) -- Eating fruit such as apples could be up to four times more damaging to teeth than carbonated drinks, according to a new study led by Professor David Bartlett at the Kings Dental Institute.
Health Oct 12, 2011 | 4 / 5 (2) | 0
(HealthDay) -- If you've been to the dentist with your children recently, you may have noticed that things have changed since you were a kid.
Dentistry May 18, 2012 | 5 / 5 (1) | 1 |
Teeth (singular tooth) are small whitish structures found in the jaws (or mouths) of many vertebrates that are used to tear, scrape, and chew food. Some animals, particularly carnivores, also use teeth for hunting or defense. The roots of teeth are covered by gums. Teeth are not made of bone, but rather of tissues of varying density and hardness.
Teeth are among the most distinctive (and long-lasting) features of mammal species. Paleontologists use teeth to identify fossil species and determine their relationships. The shape of the animal's teeth are related to its diet. For example, plant matter is hard to digest, so herbivores have many molars for chewing. Carnivores, on the other hand, need canines to kill prey and to tear meat.
Mammals are diphyodont, meaning that they develop two sets of teeth. In humans, the first set (the "baby," "milk," "primary" or "deciduous" set) normally starts to appear at about six months of age, although some babies are born with one or more visible teeth, known as neonatal teeth. Normal tooth eruption at about six months is known as teething and can be painful.
Some animals develop only one set of teeth (monophyodont) while others develop many sets (polyphyodont). Sharks, for example, grow a new set of teeth every two weeks to replace worn teeth. Rodent incisors grow and wear away continually through gnawing, maintaining relatively constant length. Many rodents such as voles (but not mice) and guinea pigs, as well as rabbits, have continuously growing molars in addition to incisors.
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