Sunday, January 11, 2009

Your Network is Open, Mouthwash and Cancer, Veneers do not last ?

Tetracycline-induced renal failure after dental treatment
Craig S. Miller, DMD, MS and Gary J. McGarity, PharmD, MPA, JADA Jan, 2009
Background. Tetracyclines are broad-spectrum antibiotics used by dental practitioners in the treatment of periodontal disease. They generally are safe in adults. However, caution is advised in patients who have pre-existing kidney disease.
Case Description
. A 42-year-old woman with polycystic kidney disease received a prescription for tetracycline (250 milligrams, four times daily) after undergoing tooth extractions. She developed nausea, vomiting and diarrhea within days and end-stage renal disease within two weeks of taking the antibiotic. Hemodialysis was required to stabilize the patient’s condition. Use of the Naranjo nomogram demonstrated an association between the two events.

Clinical Implications
. This case illustrates the importance of obtaining a thorough medical history and understanding potential adverse drug effects before prescribing a common antibiotic.

The Wonder World of Mini Implants

These devices have revolutionized the orthodontics. Many cases can be treated efficiently and fast without much dependence on patient cooperation.



We have posted several cases and here we bring you another excellent case which we hope will motivate you to adopt this economical and super modality in your day to day practice.


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MouthWash linked to Cancer?

DENTAL health experts have locked horns over evidence of a link between mouthwash and oral cancer, with one academic saying it is more likely to prevent the disease.

Results of a review published in the Australian Dental Journal found there was "sufficient evidence" that "alcohol-containing mouthwashes contributed to the increased risk of development of oral cancer".

Lead author of the review Michael McCullough called for mouthwashes containing alcohol to be removed from supermarket shelves and reclassified as "prescription only".

But the head of the University of Queensland's School of Dentistry, Laurence Walsh, said yesterday that mouthwash was more likely to help prevent cancer than bring it on. And just today it was released that Dr Walsh was funded by the company Johnson & Johnson, producer of Listerine mouthwash which contains alcohol, Full Disclosure here

"There is a whole range of reasons why some mouth rinses would actually reduce the chance of the cancer because they impair the production of molecules that do have cancer-causing effects like acetaldehyde," Professor Walsh said.

Dr McCullough argues that acetaldehyde, a toxic by-product of alcohol that is believed to be carcinogenic, may accumulate in the oral cavity when mouthwash is used.

"We caution people against using a powerful alcoholic-based mouthwash on a daily basis and in particular a subset of the population who use mouthwash to mask the smell of cigarette smoke," Dr Dean said.

Save your Kids teeth in Tooth cell bank for future

As so often happens in science, a discovery is the result of a chance interaction... In 2003, Dr. Songtao Shi's six-year-old daughter, Julia, asked him to help pull out a loose baby tooth. Dr. Shi, a scientist at NIH's National Institute of Dental and Craniofacial Research (NIDCR) at the National Institutes of Health (NIH), looked closely at the tooth and said, "Wait a minute, there is some red colored tissue inside of the tooth." So he took the tooth to his laboratory and saw that indeed it contained pulp tissue.

Dr. Shi, who is also a pediatric dentist, eventually succeeded in isolating living stem cells from the tissue, a discovery that would lead to the collection of more exfoliated teeth from Julia and other children.

Stem cell research is the most promising path to curing many severe diseases and conditions that today, NO doctor can cure... Parkinson's disease, Alzheimer's disease, juvenile diabetes, spinal cord injury, MS, ALS, and certain forms of cancer and heart disease, to name just a few.

At Bioeden, we believe every parent should have the opportunity make sure that their children benefit from this promising research. That's why we've provided a convenient and affordable solution to preserving your children's tooth cells. More here

How long the Veneers Last ?
Journal of Dentistry, 01/09/09
Aim
It is the aim of this paper to consider the factors associated with the need for re-intervention on teeth restored with porcelain veneers.
Methods
A data set was established consisting of adult patients (18 years or older) whose restoration records contained the placement of one or more porcelain laminate veneers. For each tooth treated with a porcelain veneer, the subsequent history of intervention on that tooth was consulted, and the next date of intervention, if any could be found in the extended data set, was obtained. Thus a data set was created of porcelain veneers which have been placed, with their dates of placement and their dates, if any, of re-intervention.
Results

Data for over 80,000 different adult patients were analysed, of whom 46% were male and 54% female. A total of 2562 porcelain veneer restoration occasions in 1177 patients were obtained from the data over a period of 11 years.

Factors which were found to influence the survival of porcelain veneers include patient gender, patient age, changing dentist, patient's treatment need, patient charge-paying status and geographical area.
Conclusions
While dentist factors do not appear to play a part, a variety of patient factors have been found to influence veneer survival to re-intervention. Only, 53% of porcelain veneers in the study survived without re-intervention at 10 years. Full Paper

Your Wireless Internet is open to Terrorist ?

If you use a DSL modem which is wireless, it transmits and anyone in the range can log on to your network and use your internet. Students in your neighborhood can download movies and you will get a hefty bill or a terrorist can use it to send email and police will come looking for you. Click here to learn how to stop your wireless internet from being exploited.

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