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New Teeth from Urine May Help Restore Your Smile

06-10-06centralincisorsAccording to preliminary research published in the Journal of Cell Regeneration, stem cells found in urine can be used to regrow teeth. Researchers hope that this may someday replace current cosmetic dentistry options like dental implants for restoring a damaged smile.

Preliminary Research in Regrowing Teeth

The researchers took induced pluripotent stem cells (or iPS for short) from human urine and grew them into skin-like sheets. They then combined the iPS sheets with mouse dental mesenchymes, the fetal tissue that will eventually develop into mouse teeth, and found that the iPS were differentiating into enamel-secreting ameloblasts, cells that help your teeth grow. They observed tooth-like structures had appeared on the sheets in about 30% of cases.

An Inefficient, but Noninvasive Approach to Obtaining Stem Cells

Some researchers have objected to the method of using urine as the source of iPS, noting that iPS can be obtained in many different ways, often in larger quantities than using urine. However, others have noted that this represents a completely noninvasive way to get these cells from children, who might otherwise have to have them extracted with a needle.

Challenges Remain

Other researchers have noted that the main difficulty in replacing human teeth is not in finding suitable replacement materials. After all, dental implants are great alternative materials that are attractive and durable. The true benefit of growing replacement teeth would be in being able to grow them in the mouth and, especially, to regrow the periodontal ligament, which holds the tooth in place.

There are many researchers looking to regrow lost teeth using different techniques, but until they achieve the ultimate goal of regrowing your teeth in place, we can help you protect your current teeth and, if they are lost, replace them with the best technology currently available.

To learn more about your teeth replacement options, please contact Dental Excellence of Blue Bell in Philadelphia today.