Dentistry News and Research

Latest Dentistry News and Research

Faster and more objective way to examine the surfaces of fossilized teeth

Using a powerful microscope and computer software, a team of scientists from Johns Hopkins, the University of Arkansas, Worcester Polytechnic Institute and elsewhere has developed a faster and more objective way to examine the surfaces of fossilized teeth, a practice used to figure out the diets of our early ancestors.

10 Aug 2005

Endorphin system may hold the key to understanding and treating bulimia nervosa

The role of the brain's opioid receptor system - or endorphin system - may hold the key to understanding and treating bulimia nervosa, according to research reported in the Society of Nuclear Medicine's August issue of the Journal of Nuclear Medicine.

9 Aug 2005

People with prehypertension are at much higher risk of heart attack

Normal blood pressure is lower than 120/80 millimeters of mercury (mm Hg). Prehypertension is systolic blood pressure between 120 and 139 and/or diastolic pressure between 80 and 89 mm Hg. (Systolic pressure is the force in the arteries when the heart beats and diastolic pressure is the force when the heart is at rest.) Hypertension is blood pressure 140/90 mm Hg or higher.

4 Aug 2005

Exposure to secondhand smoke can increase your chances of getting heart disease

In a study of women smokers, those whose spouses also smoked had a higher risk of stroke than those married to nonsmokers, according to a study in Stroke: Journal of the American Heart Association.

4 Aug 2005

Table salt fluoridation can reduce the prevalence of dental caries

Table salt fluoridation can reduce the prevalence of dental caries up to 84 percent, according to a new book published by the Pan American Health Organization (PAHO), "Promoting Oral Health: The Use of Salt Fluoridation to Prevent Dental Caries".

4 Aug 2005

New insights into dietary divergences between some of our human ancestors

A Penn State researcher is part of the team that developed techniques that have generated insights into dietary divergences between some of our human ancestors, allowing scientists to better understand the evolutionary path that led to the modern-day diets that humans consume.

3 Aug 2005

Robotic human jaw

A robotic human jaw, under collaborative development by Massey engineers, will have applications for both medical and food technological research.

2 Aug 2005

Stress delays wound healing

Wound healing is slow when an animal is stressed, but extra oxygen almost completely reverses the effect, according to researchers at the University of Illinois at Chicago.

28 Jul 2005

Bacteria in the mouth could freshen up bad breath

Researchers in the UK say they have isolated bacteria which can grow on and destroy some of the compounds that cause bad breath, and this discovery could help develop a natural way to beat halitosis and other odours such as smelly feet.

28 Jul 2005

Acetaminophen, when taken as directed, is safe for patients with liver disease

Contrary to common perception, clinical data demonstrate that acetaminophen is an appropriate pain relief choice for patients with chronic liver disease. According to a systematic literature review of the data, which is published in the current issue of the American Journal of Therapeutics, there is no evidence that acetaminophen at therapeutic doses aggravates liver disease.

26 Jul 2005

UK health services regulator says NHS still leaves a lot to be desired

The UK Healthcare Commission, in its second annual report to Parliament, says that a quarter of people waited more than two days for an appointment with their GP, despite Government assurances that almost everyone can see a doctor within 48 hours.

23 Jul 2005

One shot testicular cancer drug as good as radiotherapy

A single dose of the drug carboplatin is as effective at treating testicular cancer as two to three weeks of radiotherapy.

23 Jul 2005

Postmenopausal women may significantly reduce tooth loss by controlling their periodontal disease

Researchers from the University at Buffalo, School of Dental Medicine did a follow-up evaluation on 106 postmenopausal women and found that during an average of 11.7 years follow-up, 57.5 percent of the participants lost at least one tooth.

21 Jul 2005

Ibuprofen can increase bleeding during surgery

Researchers from the Case Western Reserve University School of Dental Medicine recommend the discontinuation of ibuprofen prior to surgery to correct gum disease because blood loss is two times greater for those using the medication than those not taking it.

19 Jul 2005

Quit smoking to heal that gum disease and live longer!

According to a new study, smokers are at least 6 times more likely to develop gum disease than non-smokers.

19 Jul 2005

New and more efficient target for antiangiogenic therapy

Scientists now have a more complete understanding of how cancer cells send signals to surrounding tissues to promote development of the blood supply needed to support tumor growth.

19 Jul 2005

Smokers who give up are much less likely to lose their teeth prematurely

Dental researchers at the University of Newcastle upon Tyne, UK, observed a group of cigarette smokers with chronic gum disease over one year and found some symptoms were more likely to improve in the people who quit during the study period.

18 Jul 2005

New discovery could help in the fight against cancer

University of Michigan researchers have figured out one more component in cancer cells' aggressive growth - and hope that knowledge can help kill the cells.

18 Jul 2005

New finding has potentially major implications for anti-angiogenic therapy

Scientists supported by the National Institute of Dental and Craniofacial Research (NIDCR) have added a key new piece to the puzzle of how tumor cells induce new blood vessels to form and fuel their abnormal growth, a well-known process called angiogenesis.

18 Jul 2005

Compound derived from cottonseed could help improve the effectiveness of chemotherapy at treating head and neck cancer

The findings, which appear in the July issue of the journal Molecular Cancer Therapeutics, could lead to a treatment that provides an effective option to surgically removing the cancer, helping patients preserve vital organs involved in speech and swallowing.

18 Jul 2005