Dental X-rays can cause Brain tumor

Dental X-ray

A latest study shows that a common type of brain tumor may rise in those people, who had frequent X-rays in there childhood.

[hana-code-insert name=’StumbleUpon’ /][hana-code-insert name=’Reddit’ /]This article has been published online in the April 10 issue of the journal Cancer.

Dental X-rays may help dentists to know about the oral health of a person, but after this study there are many questions about the safety of X-rays.

Researchers analyzed 1,433 patients who were suffering  with a common brain tumor named  meningioma – a type of brain tumor in adults in U.S. – and compared them with 1,350 people without tumors. This study showed that the people who underwent dental X-rays had more than twice chances of getting cancer as compared to normal people.

“My view is if an X-ray is necessary for medical treatment, then one should go ahead and get that X-ray,” said Dr. Keith L. Black, chairman and professor in the department of neurosurgery at Cedars-Sinai Medical Center.

Black said, “If I was going to get a root canal and I needed an X-ray, for example, I would get one,” ,and also,  “But the reflex to get one every year is overexposing one to X-rays. And these are going to the base of the brain, toward the base of the skull.”

“Let’s get the information out there, let’s have patients and dentists talk about this and see if for a given patient, we might be able to reduce the number of dental X-rays they get,” said Elizabeth Claus of the department of epidemiology and public health at Yale University told Time.”That’s the more important message.”

Dr. John B. Ludlow, a professor of oral and maxillofacial radiology at the University of North Carolina cautioned,

“Given the relatively long time frame between exposure to ionizing radiation and appearance of sold tumor cancers, most of the cases in the [study] received dental x-ray exposures two or more decades prior to the appearance of a tumor,”

“It is important to keep diagnostic imaging risks in perspective,” Ludlow said further.


Elizabeth B. Claus MD, PhD, Lisa Calvocoressi PhD, Melissa L. Bondy PhD, Joellen M. Schildkraut PhD, Joseph L. Wiemels PhD, Margaret Wrensch PhD, (2012). Dental x-rays and risk of meningioma. Cancer, DOI: 10.1002/cncr.26625