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    單項(xiàng)選擇題

    與普通樁冠相比,樁核冠的最大優(yōu)點(diǎn)為()

    A.強(qiáng)度好
    B.固位好
    C.密合性好
    D.可用于咬合緊時(shí)
    E.作固定橋固位體時(shí)易形成共同就位道

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