Saliva also bathes teeth in calcium, phosphate and fluoride, which strengthen tooth enamel.
唾液也能洗刷使牙釉质更加坚固的钙，磷酸盐和氟化物。
Contains fluoride to strengthen tooth enamel and reduce the risk of cavities caused by acidic food.
含氟配方，能强化牙齿珐琅质，有效降低口中因酸性物质引致蛀牙的机会。
Fluoride is a naturally occurring mineral that helps to safely strengthen tooth enamel and prevents cavities.
氟是一种自然存在的矿物质，能安全有效地巩固珐琅质，防止蛀牙。
This was soon followed by the discovery that the addition of fluoride and fluoride compounds to toothpaste would strengthen tooth enamel against decay.
随后不久发现了在牙膏中添加氟和氟化物可以加强牙釉质抵御腐蚀。
This was soon followed by the discovery that the addition of fluoride and fluoride compounds to toothpaste would strengthen tooth enamel against decay.
随后不久发现了在牙膏中添加氟和氟化物可以加强牙釉质抵御腐蚀。
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