Mouth
What if cavities could be filled with lab-grown human enamel? Researchers are hard at work on the very thing (12, 13). Dental surgeons already attach dentures or crowns to artificial roots known as dental implants, and they use tissue engineering to treat gum disease. One such tissue-generating product uses a special material saturated with healing drugs and growth factors (naturally occurring substances that help regulate the body's healing process) to help in the regeneration of gum tissue. (12)

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