Dental X-rays Show Vitamin D Deficiency
McMaster anthropologists have found that human teeth hold important information about Vitamin D deficiency which can be identified by a dental X-ray. The researchers had previously discovered that human teeth hold a detailed and permanent record of Vitamin D deficiency. The teeth show microscopic deformities in dentin. This is preserved by enamel which protect teeth from breaking down. Vitamin D deficiency often occurs when a human does not get enough exposure to sunlight. This work is useful for examining the teeth of people who lived years ago to see if they were ever deprived of sunlight and had Vitamin D deficiency. An issue when looking for teeth deformities currently is that that a tooth must be cut open and there are limited teeth the researchers had access to. To avoid wasting specimens, the researchers tried to find a way to … Read more