False teeth could double as hearing aids

Jawbones transmit sound just as well as the bone that traditional hearing aids rely on

An X-ray image shows a person's jaw, including a tooth implant in the lower left jaw

A screw anchors a fake tooth to a person’s lower jaw in this X-ray image. Such dental implants can transmit sound well and could be used as part of a novel hearing aid design.

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Prosthetic teeth could make great hearing aids.