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” REDUCE THE RISK: Try to keep your mouth closed while swimming. Don’t brush your teeth straight after your dip because at this time the surface of the teeth could be softened by the acidic chlorine and could be more easily brushed away. 如何補救:游泳時緊閉嘴唇,游完之后不要立即刷牙,因為這時牙表面可能正好被酸性的氯軟化了,這樣釉質(zhì)會被輕易地刷掉。” ‘This can result in yellowing teeth – because the acid strips the enamel and starts to reveal darkercoloured dentine underneath. It is not a ?mon problem, but may be an issue for regular swimmers who spend a long time in the pool each day.’ “此外氯還會導致一口黃牙,因為酸性物會剝蝕掉釉質(zhì),致使后層顏色較深的牙質(zhì)顯露出來?!?br />A study of 500 swimmers found 66 per cent of them had damaged teeth as a result of chlorine. 一項由500名游泳愛好者參與的研究發(fā)現(xiàn),其中66%的人牙齒會受到氯的侵害。 REDUCE THE RISK: ‘There are gums, lozenges and gels available over the counter specifically for dry mouth that help encourage the production of saliva,’