The false teeth could be used as hearing aids.

The false teeth could be used as hearing aids.

While most people think of prosthetic teeth as a cosmetic device to improve the

\n Researchers have found that vibrations applied to replacements for lost teeth travel well through jawbones to the inner ear. This finding could lead to discreet alternatives to conventional hearing aids and cochlear implants that people with hearing impairments often use. The study, published in the September Journal

Dental researcher Jianxiang Tao and colleagues from Tongji University in Shanghai have designed a new type of hearing aid that is implanted into the jawbone. The electronics that impart sound vibrations are built into the portion of a false tooth that is anchored into the jawbone. This design is a significant improvement over previous tooth-based hearing aid designs, which clipped onto molars

The researchers applied sound tones to the implants, natural teeth and mastoid bones of 38 people with hearing loss and a single dental implant to determine how well dental implants transmit sound compared with natural teeth and the mastoid bone behind the ear, which other types of hearing aids rely on to work. For a wide range of frequencies, the volunteers could hear sounds through implants as well as, or better than, through natural teeth or mastoid bones, the team reports.

A new study has found that front-tooth implants may be slightly more effective than dental implants towards the back of the jaw. The study's authors speculate that this may be because the jawbone at the front of the mouth is harder than jawbone at the back. Lower teeth and

There are many reasons why someone might want to consider dental implant hearing aids over traditional hearing aids. The main reason is that they are much more discreet and comfortable

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