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Research published in the International Journal of Paleopathology from McMaster University has shown that dental X-rays can now be used to help spot vitamin D deficiencies by showing the state of the pulp inside teeth. The research team was searching for a way to study vitamin D deficiencies in archaeological specimens without destroying each aged tooth by cutting it open. Their findings could now help identify potential deficiencies in adults and children, which can then be confirmed with a simple blood test.

"Studies are continuing to shed light on the fact that oral health is connected to our overall health in so many ways," said Dr. Amy Norman, DDS, a leading dentist in Everett, Washington.