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1·The pit and fissure sealant have significant preventive effect on carious teeth.

窝沟封闭能有效预防窝沟龋的发生。

2·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。

3·Objective: To evaluate the effect of pit and fissure sealant as dental adhesive for silver amalgam.

前言：目的：对窝沟封闭剂作为银汞合金充填的粘结剂进行实验研究。

4·To observe the clinical effect on the prevention of caries of pit and fissure sealant of light solidify.

评价光固化窝沟封闭在一般条件下用于预防龋病的效果。

5·Objective: To discuss the relationship between the efficiency, the rate of closed off and the four-handed procedure in the pit and fissure sealant.

目的：探讨在窝沟封闭术中，四手操作技术与工作效率、封闭脱落率的关系。

6·Objective To observe the clinical effect of GCIX glass ionomers used as pit and fissure sealant in the prevention of fissure caries with fissure sealing.

目的观察采用GCIX玻璃离子用于窝沟封闭剂预防窝沟龋的临床效果。

7·Objective Angioplasty observe the enamel pit and fissure caries with sealant to prevent the effects of.

目的观察应用釉质成形术结合窝沟封闭术预防窝沟龋的效果。