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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