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Patterson Dental Group
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Entrust your oral health to a trusted dental clinic with excellent customer service. Come to the dentist office of the Patterson Dental Group in Columbus, GA. Our staff understands the pain you might be going through. We do everything to make your experience as comfortable as possible.
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Entry into the Leading Physicians of the World
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Check out my official entry into the Leading Physicians of the World!
The link between hair disorders and susceptibility to dental caries
At the 93rd General Session and Exhibition of the International Association for Dental Research, researcher Olivier Duverger, National Institutes of Health-National Institute of Neurological Disorders and Stroke, Bethesda, Md., USA, presented a study titled “Hair Keratins as Structural Organic Components of Mature Enamel: The Link Between Hair Disorders and Susceptibility to Dental Caries.” The IADR General Session held in conjunction with the 44th Annual Meeting of the American Association for Dental Research and the 39th Annual Meeting of the Canadian Association for Dental Research.Hair and teeth are ectodermal appendages that share common developmental mechanisms. However, the major structural components making up hair and teeth are very distinct. The hair shaft is essentially made of keratin filaments that are highly cross-linked. Tooth enamel matrix is primarily composed of enamel proteins (amelogenin, ameloblastin) that are degraded and replaced by minerals during enamel maturation. Fully mineralized enamel contains a small fraction of cross-linked organic material that has not been fully characterized. In this study, researchers assessed the presence and functionality of a specific set of hair keratins in this organic fraction of enamel.
Read the rest of the article at http://www.medicalnewstoday.com/releases/290910.php.
New WHO guideline clamps down on intake of free sugars
Adults and children should reduce their daily free sugar intake to less than 10% of their total energy intake, according to a new guideline from the World Health Organization.Glucose, fructose, sucrose and table sugar are all examples of free sugars. These sugars are found naturally in honey, syrups and fruit juices, but can also be added to food and drink by manufacturers.The World Health Organization (WHO) explain that much of the sugar consumed these days is concealed within processed foods that are not necessarily perceived as “sweets.” WHO provide the example of 1 tablespoon of ketchup containing around 4 g of free sugars, while a can of soda contains up to 40 g of free sugars.WHO also find that free sugar intake varies across global regions. For example, while free sugar intake accounts for about 7-8% of total energy intake in Hungary and Norway, it accounts for nearly 25% of total energy intake in Portugal.Can a bacterial virus from Jerusalem sewage prevent root canal infections?
Scientists turn the tables on drug-resistant bacteria by infecting them with bacteriophages (bacterial viruses)
Every year, drug-resistant infections kill more than 50,000 people across Europe and the United States, and hundreds of thousands more around the world. According to the Review on Antimicrobial Resistance commissioned by the UK Prime Minister, failing to address the growing problem of drug-resistant infections could cause 10 million deaths a year and cost up to $100 trillion USD by 2050. (See Antimicrobial Resistance: Tackling a Crisis for the Health and Wealth of Nations)Now, researchers from the Hebrew University of Jerusalem’s Faculty of Dental Medicine propose a way to turn the tables on harmful bacteria that infect humans, by infecting them with tiny viruses called bacteriophages. In a strange twist, one such virus, cultivated from Jerusalem sewage, may help prevent infections following dental procedures.Just a few decades ago, antibiotics were considered wonder drugs. Ironically, because they worked so well, they were used too often, leading to the rise of drug-resistant bacteria. These untreatable pathogens evolved mutations enabling them to resist the antibiotics that doctors prescribe to fight them.One such pathogen is Enterococcus faecalis, a bacterium inhabiting the gastrointestinal tracts of humans. This life-threatening pathogen causes diseases ranging fromendocarditis (a potentially fatal heart infection) to bacteremia (harmful bacteria in the bloodstream), as well urinary tract infection, meningitis, and post-treatment root canal infections.
Read the rest of the article at http://www.medicalnewstoday.com/releases/289628.php.
Durable biomaterial potentially reduces tooth sensitivity
Loss of the enamel layer that covers our teeth results in sensitive teeth and raised risk of cavities, pulp inflammation and other dental diseases. Now, scientists have produced a new biocompatible material that potentially rebuilds worn enamel, reduces tooth sensitivity and is much longer-lasting than current treatments.Chun-Pin Lin, a professor of dentistry at National Taiwan University, and colleagues report how they developed the new material, which they tested on dogs, in the journal ACS Nano.Tooth sensitivity due to loss of enamel is one of the most common dental problems. It not only causes sharp pain and anxiety, but it can herald more serious dental problems.Loss of tooth enamel exposes a layer of softer, porous material called dentine, which is full of thousands of tiny channels or tubules that go deep into the pulp of the tooth where the nerves lie. When dentine tubules are exposed, heat and cold pass more easily to the underlying nerves.Current treatments – such as special toothpastes incorporating sealants – work by blocking the tubules at the exposed dentine surface. But these seals do not last as they get worn away with chewing and brushing.New material generates a ‘biomimetic crystalline dentin barrier’.In their paper, Prof. Lin and his team describe how they made and tested a reliable, fast-acting biocompatible material containing the main elements found in teeth: calcium and phosphorous.Early detection of heart attacks aided by gold nanoparticles
NYU Polytechnic School of Engineering professors have been collaborating with researchers from Peking University on a new test strip that is demonstrating great potential for the early detection of certain heart attacks.
Kurt H. Becker, a professor in the Department of Applied Physics and the Department of Mechanical and Aerospace Engineering, and WeiDong Zhu, a research associate professor in the Department of Mechanical and Aerospace Engineering, are helping develop a new colloidal gold test strip for cardiac troponin I (cTn-I) detection. The new strip uses microplasma-generated gold nanoparticles (AuNPs) and shows much higher detection sensitivity than conventional test strips. The new cTn-I test is based on the specific immune-chemical reactions between antigen and antibody on immunochromatographic test strips using AuNPs.
Compared to AuNPs produced by traditional chemical methods, the surfaces of the gold nanoparticles generated by the microplasma-induced liquid chemical process attract more antibodies, which results in significantly higher detection sensitivity.
cTn-I is a specific marker for myocardial infarction. The cTn-I level in patients experiencing myocardial infarction is several thousand times higher than in healthy people. The early detection of cTn-I is therefore a key factor of heart attack diagnosis and therapy.
The use of microplasmas to generate AuNP is yet another application of the microplasma technology developed by Becker and Zhu. Microplasmas have been used successfully in dental applications (improved bonding, tooth whitening, root canal disinfection), biological decontamination (inactivation of microorganisms and biofilms), and disinfection and preservation of fresh fruits and vegetables.
The microplasma-assisted synthesis of AuNPs has great potential for other biomedical and therapeutic applications such as tumor detection, cancer imaging, drug delivery, and treatment of degenerative diseases such as Alzheimer’s.
The routine use of gold nanoparticles in therapy and disease detection in patients is still years away: longer for therapeutic applications and shorter for biosensors. The biggest hurdle to overcome is the fact that the synthesis of monodisperse, size-controlled gold nanoparticles, even using microplasmas, is still a costly, time-consuming, and labor-intensive process, which limits their use currently to small-scale clinical studies, Becker explained.
Adapted by MNT from original media release
http://www.medicalnewstoday.com/releases/288143.php
Link discovered between tooth loss and slowing mind and body
The memory and walking speeds of adults who have lost all of their teeth decline more rapidly than in those who still have some of their own teeth, finds new UCL research.
The study, published in the Journal of the American Geriatrics Society, looked at 3,166 adults aged 60 or over from the English Longitudinal Study of Ageing (ELSA) and compared their performance in tests of memory and walking speed. The results showed that the people with none of their own teeth performed approximately 10% worse in both memory and walking speed tests than the people with teeth.
The association between total tooth loss and memory was explained after the results were fully adjusted for a wide range of factors, such as sociodemographic characteristics, existing health problems, physical health, health behaviours, such as smoking and drinking, depression, relevant biomarkers, and particularly socioeconomic status. However, after adjusting for all possible factors, people without teeth still walked slightly slower than those with teeth.
These links between older adults in England losing all natural teeth and having poorer memory and worse physical function 10 years later were more evident in adults aged 60 to 74 years than in those aged 75 and older.
“Tooth loss could be used as an early marker of mental and physical decline in older age, particularly among 60-74 year-olds,” says lead author Dr Georgios Tsakos (UCL Epidemiology & Public Health). “We find that common causes of tooth loss and mental and physical decline are often linked to socioeconomic status, highlighting the importance of broader social determinants such as education and wealth to improve the oral and general health of the poorest members of society.
“Regardless of what is behind the link between tooth loss and decline in function, recognising excessive tooth loss presents an opportunity for early identification of adults at higher risk of faster mental and physical decline later in their life. There are many factors likely to influence this decline, such as lifestyle and psychosocial factors, which are amenable to change.”
Adapted by MNT from original media release
http://www.medicalnewstoday.com/releases/287280.php
Roosevelt Patterson, DDS 