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Sealants can last up to 10 years.
保护胶能持续长达10年。
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What are dental sealants?
什么是牙齿保护胶?
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Who should get sealants?
谁应该涂保护胶?
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Should sealants be put on baby teeth?
乳牙也应该涂保护胶吗?
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Sometimes sealants are put on at school.
有时,保护胶也在学校获得。