Dentistry

Researchers use light to coax stem cells to regrow teeth

A Harvard-led team is the first to demonstrate the ability to use low-power light to trigger stem cells inside the body to regenerate tissue, an advance they reported in Science Translational Medicine. The research, led by ...

Dentistry

Scientists create candy that's good for teeth

(Medical Xpress)—Dentists warn us that too many sweets can cause cavities. In fact, it's not candy, but bacteria on the tooth surface that cause tooth decay. If you reduce the amount of cavity-causing bacteria, the number ...

Alzheimer's disease & dementia

Periodontal disease bacteria may kick-start Alzheimer's

Long-term exposure to periodontal disease bacteria causes inflammation and degeneration of brain neurons in mice that is similar to the effects of Alzheimer's disease in humans, according to a new study from researchers at ...

Dentistry

Regrowing dental tissue with stem cells from baby teeth

Sometimes kids trip and fall, and their teeth take the hit. Nearly half of children suffer some injury to a tooth during childhood. When that trauma affects an immature permanent tooth, it can hinder blood supply and root ...

Dentistry

Use of prefabricated blood vessels may revolutionize root canals

While root canals are effective in saving a tooth that has become infected or decayed, this age-old procedure may cause teeth to become brittle and susceptible to fracture over time. Now researchers at OHSU in Portland, Oregon, ...

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