As we age, the outer layer of tooth enamel wears away.

随着年龄增长, 我们牙齿外层的釉质会慢慢地磨损.

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In addition, some examples of dose reconstruction ESR using tooth enamel are given.

另外, 还介绍了此技术在剂量重建中的一些应用实例.

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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.

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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.

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The toothpastewith fluoride to strengthen tooth enamel and prevent the build up of plaque.

另含氟配方能增强牙齿珐琅质,帮助预防蛀牙及牙肉溃烂.

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