Objective To study and shear bond strength of resin - reinforced glass ionomer cement ( RGIC ) on orthodontic brackets.

目的探讨两种树脂加强型玻璃离子水门汀对托槽粘结强度的影响.

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Objective: To apply the theoretical basis of argent - glass ionomer cement taking the place of silver amalgam.

目的: 为银粉玻璃离子替代银汞合金提供了理论依据.

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Group A were restored by glass ionomer group B by light curing composite.

目的比较玻璃离子和光固化树脂两种材料修复牙体楔状缺损的临床效果.

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