Companies are now storing stem cells from children’s baby teeth for a hefty fee. But is tooth banking worth it? 

By Barbara Brody
Kostenko Maxim/Shutterstock

When your kid loses his tooth, he probably leaves it under the pillow for the Tooth Fairy. But what happens to baby teeth after they’re replaced with small bills? Many parents throw them in the trash or place them in keepsake boxes, but online services now offer to store stem cells from children’s baby teeth. This process—called tooth banking—might help repair damaged tissue in the future, since stem cells aid creation of healthy cells. Find out about the benefits of tooth banking and decide whether it’s right for your family.

How Tooth Banking Works

Sign up online with a service like Tooth Bank, Store-aTooth, or National Dental Pulp Laboratory. The company will mail you a collection kit containing a vial of stabilizing solution and cold packs to keep a tooth chilled. Tell your kid’s dentist that you plan to store baby teeth for dental stem cells. He will determine when the time is right to numb the area, pull the baby tooth, pop it into the vial, and mail the kit to the company’s storage facility. Depending on which package you choose, the whole tissue can be frozen or scientists may culture cells before freezing them to create more cells, says Peter Verlander, Ph.D., chief scientific officer of Store-aTooth. “A tooth is so valuable because its pulp (the center filled with nerves and blood vessels) contains stem cells, which scientists can use to create healthy cells to help heal damaged tissue.”

Potential Benefits of Tooth Banking

The benefits of tooth banking are still a big question mark. Some studies suggest that “mesenchymal stem cells” (which include stem cells from dental tissue, bone, cartilage, fat, and muscle) can generate new nerve tissue, says Jade Miller, D.D.S., president of the American Academy of Pediatric Dentistry (AAPD). That’s why scientists study them for their potential to treat conditions as varied as heart disease, Alzheimer’s disease, spinal-cord injuries, and type 1 diabetes (in addition to tooth regeneration). But as of now, the FDA has no approved uses for these cells.

Many experts remain unconvinced that dental stem cells will ever be useful for anything besides tooth regeneration. “The data showing that you can take dental stem cells and make them work like muscle or nerve cells is very slim,” says Pamela G. Robey, Ph.D., chief of the craniofacial and skeletal diseases branch at the National Institute of Dental and Craniofacial Research at the National Institutes of Health.

Should I Preserve Baby Teeth?

Time will tell whether tooth banking is a valuable investment or a waste of money. Since there are still many unknowns about the process, the American Academy of Pediatrics (AAP) has yet to release a statement for or against it, and the AAPD’s official stance on tooth banking is vague.

The AAP does support free public cord-blood banking and cautions against paying to privately store cord blood as an “insurance policy.” Cord blood is already collected to treat blood disorders, but it’s not always possible to treat a person with his own cord blood, since the cells may have the same genetic defect that caused the disease.

Although there’s no public donation option for teeth yet, we’re all for keeping the Tooth Fairy in business.

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