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Objective: To observe the clinical application effect of pit and fissure sealant.
摘要目的: 探讨应用窝沟封闭剂预防龋齿的临床效果.
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Conclusion: The pit and fissure sealant have significant preventive effect on carious teeth.
结论: 窝沟封闭能有效预防窝沟龋的发生.
窝沟封闭剂???
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