You can actually see tiny replacement teeth in the bones of the jaws, showing us that Massospondylus continuously replaced its teeth, like crocodiles do, but unlike humans that can only do it once,» says Chapelle. (sciencedaily.com)
The scientists hope the work, which helps them understand the signals that control tooth development, might eventually enable them to grow replacement teeth in humans who have lost a tooth to decay — or in a fist fight. (sciencemag.org)
Because burgeoning teeth depend on information from the budding embryonic jaw, work toward generating replacement teeth from dental stem cells focuses on growing them in the desired location in the recipient's mouth — but scientists are not yet sure the adult jaw can provide the necessary signals to shape made - to - order teeth. (scientificamerican.com)