Dentistry

Biological tooth replacement—a step closer

Scientists have developed a new method of replacing missing teeth with a bioengineered material generated from a person's own gum cells. Current implant-based methods of whole tooth replacement fail to reproduce a natural ...

Medical research

PrEP implant that protects against HIV could be near

Animal research is pointing toward a new way to prevent HIV infection: a refillable implant that continuously delivers antiretroviral medications for up to 20 months at a time.

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