Objective To investigate the elastic limit and relevant enclasp force of the non - precious metal casting clasp.

目的　研究 非贵金属 铸造卡环的弹性极限及其相应卡抱力.

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Casting clasp between teeth ( CCBT ) is set up between buccal arid lingual embrasure of abutment teeth.

方法:在两基牙间的颊、龈外展隙内设置牙间卡 ( 发夹卡 ).

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