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Human teeth Credit: Wikipedia

Imagine that instead of drilling and filling cavities at the dentist, a gel could be applied to the damaged tooth and it would rebuild new tooth enamel. A new product is in development to do just that!

Scientists at the School of Pharmacy, Univ. of Nottingham are developing a gel that is applied to a tooth with weakened or damaged tooth enamel, and which draws calcium from saliva to grow a new mineral layer. It's not exactly tooth enamel, but it does closely match healthy tooth enamel and so far appears to withstand the stressors that healthy teeth are exposed to (e.g., chewing, acidic foods, tooth brushing).

Stay tuned for developments!

From Science News: Goodbye, cavities? New gel could regrow tooth enamel

A newly developed dental gel may be able to rebuild damaged tooth enamel, potentially creating a new approach to preventing decay and restoring worn teeth. ...continue reading "A Gel Is Being Developed to Regrow Tooth Enamel"

More clues were revealed in a recent study about the microbes involved in the formation of tooth decay and cavities (dental caries). Scientists and dentists have long known about Streptococcus mutans involvement in cavity formation, but they found that another bacterial species can also be involved.

In the study researchers analyzed tooth plaque of 300 children (aged 3 to 5 years) and discovered that the bacteria Selenomonas sputigena (normally involved in gum disease) can partner with S. mutans to form cavities.

Perhaps in the future microbes or enzymes will be used to fight or suppress harmful bacteria involved in dental caries. We'll see.

From Science Daily: Dentists identify new bacterial species involved in tooth decay

Collaborating researchers from the University of Pennsylvania School of Dental Medicine and the Adams School of Dentistry and Gillings School of Global Public Health at the University of North Carolina have discovered that a bacterial species called Selenomonas sputigena can have a major role in causing tooth decay. ...continue reading "The Bacteria Involved In Tooth Decay"