[ RadSafe ] Dental X-Ray Protocols
sjd at swcp.com
Sat Dec 17 11:23:03 CST 2011
How about a mathematical answer: Epstein + Gofman + Nader = trash.
At 09:58 PM 12/16/2011, you wrote:
>Anyone aware if a critical review of the claims
>made in the below article and associated references has been carried out?
>Unrecognized Cancer Risks of Dental Radiation
>CHICAGO, IL, November 9, 2011 -/WORLD-WIRE/- The
>well-documented evidence on the radiation
>dangers of premenopausal mammography are
>persuasive, although belatedly recognized. In
>striking contrast, the evidence on the dangers
>of routine and highly profitable dental
>radiation, particularly in children, are still
>virtually unrecognized, warns the Cancer Prevention Coalition.
>However, these concerns are not new, says Samuel
>S. Epstein, M.D., Chairman of the Cancer
>Prevention Coalition. He points to a 2001 report
>by Dr. John Gofman, a leading international
>authority on the dangers of radiation, which
>published well-documented evidence on the cancer
>risks of âlow dose medical X-rays,â especially to children.
>A July 2006 publication by Dr. Ruth Kleinerman
>in Pediatric Oncology, âCancer Risks Following
>Diagnostic and Therapeutic Radiation Exposure in
>Children,â warned that the most radiosensitive
>organ in children is the thyroid gland.
>This report also noted that âAlthough thyroid
>cancer is rare, 6 other large studies had
>previously confirmed its relationship with prior
>radiation for treatment of enlarged tonsils or
>other head, face, or neck concerns.â
>Dr. Epstein cites a report in the June 2010
>MailOnline newspaper published in the U.K.,
>which warned that âTen dental x-rays raise
>cancer risks by at least ten times.â This
>article cautioned that âX-rays should not be
>given at checkups or when registering new
>patients, despite these practices being common in many dental surgeries.
>The MailOnline report also cited a 2010
>collaborative study between the U.K. National
>Health Service and the universities of Brighton
>and Sussex which reported that âmultiple
>exposures to dental X-rays may be associated
>with increased risks of developing thyroid
>cancer particularly in children and adolescents.â
>The report further noted that these findings
>were consistent with previous warnings of
>increased risks of thyroid cancer in dentists and dental assistants.
>Dr. Epstein finds further evidence in a November
>22, 2010 New York Times article, âRadiation
>Worries for Children in Dentistsâ
>Chairs,â which warned against risks of
>radiation from a new scanning device, known as a cone-beam CT scanner.
>Cone-beam CT scanners are continually generating
>x-ray images, while rotating around the patient.
>They emit much higher levels of radiation than do conventional dental x-rays.
>âNot surprisingly,â says Dr. Epstein, âthe
>incidence of thyroid cancer has escalated by
>168% since 1975. The past and continuing
>practice of routine dental radiation, especially
>in children, is flagrant malpractice, if not criminal.â
>Dr. Epstein quotes Ralph Nader, who urged at
>1979 hearings on the Corporate Criminal
>Liability Act by the Crime Sub-Committee of the
>House Judiciary Committee, âJail for crime in
>the streets, but bail for crime in the suites.â
>1. Ron, E, et al. Thyroid Neoplasia (cancer)
>Following Low Dose Radiation in Childhood.
>Radiation Research 120:516-531, 1989.
>2. Cardis, E. Risk of Thyroid Cancer After Exposure to I131
>(radiation) in Childhood. Journal of the
>National Cancer Institute 97:724-732, 2005.
>3. Shore, R. Issues and Epidemiological Evidence
>Regarding Radiation-Induced Thyroid Cancer.
>Radiation Research 131, 98-111, 1992.
>Samuel S. Epstein, M.D. is professor emeritus of
>Environmental and Occupational Medicine at the
>University of Illinois at Chicago School of
>Public Health; Chairman of the Cancer Prevention
>Coalition; and former President of the Rachel
>Carson Trust. His awards include the
>1998 Right Livelihood Award and the 2005 Albert
>Schweitzer Golden Grand Medal for International
>Contributions to Cancer Prevention. He is the
>author of over 270 scientific articles and 20
>books on the causes and prevention of cancer,
>including the groundbreaking The Politics of
>Cancer (1979, Doubleday Books), Healthy Beauty
>(2010, BenBella Books) and National Cancer Institute And American Cancer
>Society: Criminal Indifference to Cancer
>Prevention and Conflicts of Interest (2011, Xlibris Publishing).
>To read Dr. Epsteinâs columns in the Huffington Post, go to:
>Samuel S. Epstein, M.D.
>Chairman, Cancer Prevention Coalition
>Professor emeritus Environmental & Occupational Medicine
>University of Illinois at Chicago School of Public Health
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