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永利网网站:Rinse and spit

永利网网站:Rinse and spit

作者:扈饵  时间:2019-03-08 03:04:02  人气:

A FRESH approach to mouthwashes is being pioneered by scientists at Guy’s Hospital in London. The researchers have come up with a substance that doesn’t kill harmful bacteria, but stops them sticking to teeth and damaging enamel and gums. The chemical is a peptide that blocks sites on the tooth surface used by the pathogen Streptococcus mutans. In controlled trials, the teeth of people who rinsed their mouths with the peptide were free of S. mutans colonies, the Guy’s team reports in Nature Biotechnology (vol 17,