5 Temmuz 2012 Perşembe

Dental Did You Know: Warfarin

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Warfarin, a vitamin K antagonist has been an effective oral anti-coagulant for over 50 years. It was discovered in 1945 as a result of research at the University of Wisconsin looking into a pesticide for mice and rats. (Patients may need additional management involving certain dental procedures such as extractions)

Source: Feferman I, Healthline: End of an Era (Warfarin), Ontario Dentist, Dec 2011, Vol 88, No 10, pg 16-17.

Hans Skariah, B.Sc., DMD
Promenade Court Dental Health Group in Mississauga
2233 Hurontario St., Mississauga, ON, Canada
(1/2 km north of the QEW in the Dome Building)
(905) 273-7100

Dental Did You Know: The Increasing Rate of Caries (Cavities) in Children

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The prevalence of dental decay in the United States (and presumably in Canada) in children aged 2-5 has increased 15.2% according to recent data from the Center for Disease Control and Prevention. Factors that influence this rate include:

  1. Active dental caries in the primary caregiver
  2. Socioeconomic status  
  3. Dental IQ  
  4. Medical history 
  5. Dietary habits

Source: Cohn C, Why Does My Child Get So Many Cavities? What Can I Do About It?, Oral Health, January 2012, Vol 102, No 1, pg 46-53.

Hans Skariah, B.Sc., DMD
Promenade Court Dental Health Group in Mississauga
2233 Hurontario St., Mississauga, ON, Canada
(1/2 km north of the QEW in the Dome Building)
(905) 273-7100

Dental Did You Know: Smoking Rates for Canadians

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Health Canada's Canadian Tobacco Use Monitoring Survey in 2010 reported that 17% of the population older than 15 years smoked. The rate among youth aged 15-19 was 12%.

Source: Dean B, Oral Health Month-Start a Conversation, Save a Life, Ontario Dentist, Jan/Feb 2012, Vol 89, No 1, pg 52-53.

Hans Skariah, B.Sc., DMD
Promenade Court Dental Health Group in Mississauga
2233 Hurontario St., Mississauga, ON, Canada
(1/2 km north of the QEW in the Dome Building)
(905) 273-7100

Dental Did You Know: Sports Drinks, Acidity and the Effects on Teeth

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Most sports drinks are quite acidic (pH 3-4) and if taken to excess, may lead to dental erosion and demineralization. One study found that 57% of 11-14 year-olds had evidence of some dental erosion.

Source: Feferman I, Healthline: Risks of Sports Drinks, Ontario Dentist, March 2012, Vol 89, No 2, pg 20-21.

Hans Skariah, B.Sc., DMD
Promenade Court Dental Health Group in Mississauga
2233 Hurontario St., Mississauga, ON, Canada
(1/2 km north of the QEW in the Dome Building)
(905) 273-7100

Dental Did You Know: White Spot Lesions After Orthodontic Treatment

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95% of patients develop at least one white spot lesion or enamel surface decalcification following orthodontic treatment. Oral hygiene discussions before treatment helped reduce the incidence of these lesions.

Source: Sevels I, Clinical Abstracts: White Spot Lesions After Orthodontic Treatment, Oral Health, June 2012, Vol 89, No 5, pg 16-17.

Hans Skariah, B.Sc., DMD
Promenade Court Dental Health Group in Mississauga
2233 Hurontario St., Mississauga, ON, Canada
(1/2 km north of the QEW in the Dome Building)
(905) 273-7100

25 Haziran 2012 Pazartesi

Improving treatment of chronic pain in cats

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Winn grant W12-027
Development of outcome assessment instruments for chronic pain in cats
Investigator: Dorothy Cimino Brown; University of Pennsylvania

Cats are unique. They cannot benefit from the same pain fighting medications used in dogs, because they can cause serious side-effects in cats. It is crucially important that we identify pain fighting medications that are safe and effective in cats, so that we can relieve them from pain caused by such conditions as arthritis or cancer. Once a treatment option for pain is identified that might be useful in cats, studies must be carefully designed in order to prove that the potential new treatment option is effective. The greatest obstacle to designing such studies is the fact that we have not developed reliable ways to measure pain in cats. If we can not measure the pain, we can not prove that we are appropriately treating it. 

An.Old.CatThe goal of this study is to develop tools that can measure pain in cats and therefore appropriately design studies that will identify new treatments. The first tool is the Feline Brief Pain Inventory, which will be an owner completed questionnaire that will allow them to identify and report on how their cat behaves at home, focusing on the behaviors that are related to pain. The second tool is an activity monitor that can be worn on the cat’s collar while it progresses through its normal activities at home. We plan to identify how many days the monitor needs to be worn to collect data reliably. Ultimately the monitor might identify the improved activity that can be related to adequate pain control.

This project is available for sponsorship. When you sponsor a project, your name will be added to the list of the project's supporters on our website and in any publications we produce about the project. You will receive exclusive pre-publication reports on the progress of your chosen project as they become available, and a final report at its conclusion.

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New feline virus identified

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Lau SK, Woo PC, Yip CC, et al. Identification of a novel feline picornavirus from the domestic cat. J Virol. 2012; 86: 395-405.

Picornaviruses are small viruses infecting many animal species as well as humans. This family of viruses includes many important human and veterinary pathogens including the common cold virus, poliovirus, and foot and mouth disease virus. Thus far, picornaviruses infecting cats have not been identified. 

Hong Kong catThe investigators screened fecal, urine, blood, and nasopharyngeal swab samples from over 600 cats in Hong Kong over a 3-year period for picornavirus using genetic detection methods. They found a novel virus which after characterization was found to be most closely related to but distinct from all known picornaviruses. Their findings indicated that infection of cats with this virus was quite common. While the cats tested in this study were all apparently healthy, further research is required to fully understand the significance of this virus among cats. [MK]

Related articles: Santti J, Vainionpaa R, Hyypia T. Molecular detection and typing of human picornaviruses. Virus Res. 1999; 62: 177-83.

More on cat health:
Winn Feline Foundation Library
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